Best Aio Liquid Coolers with Plexi in 2026: 15 Picks Ranked by Specs
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Choosing an aio liquid cooler with plexi materials provides clear coolant monitoring alongside targeted thermal control. We compared 15 products based on the specifications published on the listings to evaluate each option purely by the numbers.
The Alphacool D-RAM Cooler X4 Universal Plexi earns the top spot because it delivers four-module RAM cooling using standard G1/4-inch ports and reliable copper heat transfer. This guide helps you decide which plexi component matches your build by comparing dimensions, socket support, and port configurations.
Quick picks
The best fit for you
- You need dedicated liquid cooling for four RAM modules Alphacool D-RAM Cooler X4 Universal Plexi It features four-slot memory cooling with standard G1/4-inch ports and a copper base.
- You need a high-capacity spherical reservoir for D5 pumps Alphacool Eisball D5 Reservoir and Pump Top It delivers 700 ml of fluid capacity alongside integrated D5 pump mount compatibility.
- You need a plexi CPU block for socket AM5 EK Quantum Velocity 2 AM5 Nickel Plexi Water Block It features dedicated AMD AM5 socket compatibility with a 99.99% pure copper coldplate.
- You need dual pump mounts for custom loop redundancy Alphacool Eisdecke Dual D5 Acrylic Pump Top Its clear plexi top accommodates two D5 pumps to deliver redundant loop pressure.
Our 15 picks
Alphacool D-RAM Cooler X4 Universal Plexi
Best for: four-module custom loop RAM cooling
- Material
- Acrylic, Plexi (what this guide is about)
- Dimensions
- 5.02 × 1.78 × 0.64 inches
- Weight
- 8.32 ounces
This RAM water block cools your memory modules using copper and acrylic plexi construction. You get support for up to four RAM modules across a compact 128 by 45.2 by 11.1 millimeter footprint. Two standard G1/4-inch threaded ports connect directly into your custom liquid cooling loop. It suits you if you need dedicated memory heat dissipation with transparent plexi styling inside your 2026 liquid-cooled PC build.
Pros
- Plexi acrylic top with copper construction
- Standard dual G1/4-inch threaded ports
- Supports up to four RAM modules
- Slim 11.1 mm block height
Cons
- Cooling limited to RAM, not CPU or GPU
- No integrated lighting listed
Good fit if
- You need direct liquid cooling for up to four RAM sticks.
- You use standard G1/4-inch fittings in your loop.
Skip if
- You need a CPU or GPU water block instead.
- You want built-in digital RGB lighting.
Verdict: Alphacool D-RAM Cooler X4 Universal Plexi delivers direct four-slot memory cooling through standard G1/4-inch ports. It provides reliable copper heat transfer under a transparent plexi cover for custom loops.
Alphacool Eisdecke D5 Plexi Pump Top
Best for: standalone D5 pump routing flexibility
- Material
- Acrylic, Plexi (what this guide is about)
- Pump Compatibility
- D5
- Dimensions
- 3.15 × 3.15 × 1.57 inches
- Weight
- 0.44 kilograms
The Alphacool Eisdecke D5 Plexi Pump Top upgrades your D5 liquid cooling setup. It features clear acrylic construction to expose fluid flow. You get five standard G1/4-inch ports along with three included stop plugs for flexible routing configurations. Measuring 83 x 80 x 87 mm with its included mounting stands, this compact 0.44-kilogram unit suits you if you already own a standalone D5 pump mechanism and need multiple port options.
Pros
- Five G1/4" connection ports
- Includes three G1/4" stop plugs
- Clear plexi acrylic construction
- Mounting stands included
Cons
- D5 pump not included
- No integrated lighting listed
Good fit if
- You own a separate D5 pump motor
- You need five G1/4" ports for flexible loop routing
- You want a clear plexi top with mounting stands included
Skip if
- You need an all-in-one unit with a bundled pump
- You require integrated RGB lighting
Verdict: Alphacool Eisdecke D5 Plexi Pump Top provides five G1/4-inch ports and clear acrylic housing for custom D5 loops. It delivers flexible routing via included plugs and mounting stands without bundling a pump motor.
Alphacool Eisdecke Dual D5 Acrylic Pump Top
Best for: dual D5 custom liquid cooling loops
- Material
- Acrylic, Plexi (what this guide is about)
- Pump Compatibility
- D5
- Dimensions
- 7.48 × 3.94 × 2.76 inches
- Weight
- 1.67 pounds
This clear plexi pump top houses two D5-compatible pumps to increase pressure or add redundancy to your custom loop. It features three 1/4-inch inlet ports and three 1/4-inch outlet ports for flexible routing. You can mount it vertically, horizontally, or at 45-degree and 90-degree angles. An included RGB lighting strip illuminates the clear acrylic body. It suits you if you run a dual-pump setup and want clear coolant visibility.
Pros
- Supports two D5 pumps with vertical, horizontal, 45-degree, and 90-degree mounting
- Six connection ports with three 1/4-inch inlets and three 1/4-inch outlets
- Included RGB lighting strip
- Clear plexi and acrylic construction
Cons
- Pumps are not included
- Height increases to 91.5 mm with feet installed
Good fit if
- You need a dual-pump configuration for loop redundancy or higher pressure.
- You require multiple 1/4-inch port locations for flexible tube routing.
- You want mounting flexibility across horizontal, vertical, and angled orientations.
Skip if
- You only need to mount a single pump.
- You want an all-in-one unit that includes pump motors in the package.
Verdict: Alphacool Eisdecke Dual D5 Plexi Pump Top provides dual D5 pump accommodation and multiple port options in a clear plexi body. It gives you redundant pumping power and flexible mounting angles without requiring opaque housing.
Alphacool Eisball D5 Reservoir and Pump Top
Best for: high-capacity custom loops with standalone D5 pumps
- Material
- Acrylic, Plexi (what this guide is about)
- Lighting Type
- Digital RGB
- Pump Compatibility
- D5
- Dimensions
- 4.63 × 5.04 × 5.04 inches
- Weight
- 1.42 pounds
The Alphacool Eisball is a spherical reservoir and pump top combination designed for custom loops using D5 pumps. It provides a 700 ml fluid capacity inside a transparent nylon and plexi housing measuring 117.51 by 128 by 128 mm. Integrated Digital RGB lighting illuminates the sphere from within. This unit suits you if you already own a D5 pump and want a high-capacity reservoir with distinct spherical geometry for your chassis.
Pros
- Large 700 ml fluid capacity
- Integrated Digital RGB lighting
- Compatible with standard D5 pumps
- Transparent nylon and plexi construction
Cons
- Pump motor is not included
- Spherical 128 mm dimensions require significant clearance
Good fit if
- You already own a compatible D5 pump to install.
- You need a large 700 ml coolant capacity.
- You want spherical aesthetics with integrated Digital RGB lighting.
Skip if
- You need an included pump mechanism in the package.
- You have a compact case lacking clearance for a 128 mm sphere.
Verdict: Alphacool Eisball D5 Reservoir Top provides 700 ml of coolant capacity and Digital RGB lighting inside a unique spherical form factor. You must supply your own D5 pump to complete the assembly.
Alphacool Eisball 700ml D5 Reservoir
Best for: custom loops needing high-capacity spherical reservoirs
- Material
- Acrylic, Plexi (what this guide is about)
- Lighting Type
- Digital RGB
- Pump Compatibility
- D5
- Dimensions
- 2.01 × 5.04 × 5.04 inches
- Weight
- 2.03 pounds
The Alphacool Eisball D5 Reservoir Combo pairs a 700 ml spherical coolant chamber with an integrated D5 pump mount. You get a transparent body with Plexi and nylon construction accented by built-in Digital RGB lighting. Measuring 117.51 by 128 by 128 mm, it fits custom loops needing high fluid capacity. This unit suits you if you want a distinctive spherical reservoir with integrated pump housing.
Pros
- 700 ml coolant capacity
- Integrated Digital RGB lighting
- Native D5 pump compatibility
- Transparent nylon and Plexi construction
Cons
- Spherical 128 mm width requires broad mounting clearance
- Weighs 2.03 pounds before adding coolant
Good fit if
- You need a 700 ml reservoir capacity for your loop.
- You run a D5 pump setup with Digital RGB lighting.
Skip if
- You have a narrow case unable to clear 128 mm of width.
- You want an all-acrylic reservoir without nylon or acetal parts.
Verdict: Alphacool Eisball 700ml D5 Reservoir delivers 700 ml of fluid storage with integrated D5 support and Digital RGB lighting. It provides a unique spherical Plexi and nylon form factor for spacious liquid-cooling enclosures.
Alphacool Eisblock XPX Aurora CPU Water Block
Best for: Intel and AMD plexi custom loops
- Material
- Acrylic, Plexi (what this guide is about)
- Lighting Type
- Digital RGB
- Dimensions
- 2.98 × 2.98 × 1.3 inches
- Weight
- 7.27 ounces
View on Amazon: Alphacool Eisblock XPX Aurora CPU Water Block
This CPU water block pairs a nickel-plated copper base with an acrylic plexi top and integrated Digital RGB lighting. Designed for both Intel and AMD sockets, it measures 75.8 by 75.8 by 33 mm and uses standard dual G1/4-inch ports. If you build custom loops requiring a compact plexi CPU cooler rated up to a 60-degree Celsius maximum working temperature, this block fits your layout.
Pros
- Nickel-plated copper cooling plate
- Built-in Digital RGB illumination
- Compatible with Intel and AMD processors
- Standard dual G1/4-inch threaded ports
Cons
- 60 °C maximum working temperature limit
- Only two G1/4-inch ports provide no dedicated drain or bleed port
Good fit if
- You need a plexi CPU block supporting Intel or AMD sockets.
- You want addressable Digital RGB lighting integrated directly into the block.
Skip if
- You run coolant loops exceeding a 60 °C operating temperature.
- You require extra ports for alternative routing or temperature sensors.
Verdict: Alphacool Eisblock XPX Aurora Plexi CPU Block provides clear plexi housing, Digital RGB lighting, and cross-platform Intel and AMD mounting for your loop. Its nickel-plated copper plate delivers reliable cooling under a 60 °C operating threshold.
EKWB EK-Quantum Volume FLT 240 Acrylic Reservoir
Best for: flat 240mm mounting with standalone pumps
- Material
- Acrylic, Plexi (what this guide is about)
- Lighting Type
- D-RGB
- Dimensions
- 19.7 × 19.7 × 11 inches
- Weight
- 2.16 pounds
View on Amazon: EKWB EK-Quantum Volume FLT 240 Acrylic Reservoir
The EKWB EK-Quantum Volume FLT 240 Plexi Reservoir is a flat acrylic coolant reservoir featuring integrated Digital RGB lighting. It measures 240x120x53.5mm with its mounting system and holds approximately 225ml of fluid. You get four standard G1/4" ports to configure routing in your liquid loop. This unit suits you if you need a slim 240mm flat reservoir with addressable lighting.
Pros
- Four G1/4" connection ports
- Integrated addressable Digital RGB lighting
- Flat 240x120x53.5mm profile with mounting system
- Clear acrylic plexi construction
Cons
- Does not include an integrated pump
- Limited to roughly 225ml total capacity
Good fit if
- You need a flat 240mm plexi reservoir with four G1/4" ports.
- You want addressable D-RGB lighting built directly into the reservoir.
- You have space for a 240x120x53.5mm unit and use a standalone pump.
Skip if
- You need an integrated pump-reservoir combo unit.
- You require a fluid capacity greater than ~225ml.
Verdict: EKWB EK-Quantum Volume FLT 240 Plexi Reservoir delivers a flat acrylic fluid chamber with four G1/4" ports and addressable D-RGB lighting. It provides a clean 225ml reservoir option if you run a separate dedicated pump.
EK-Quantum Kinetic TBE 200 D5 Plexi Combo
Best for: tall custom loops needing versatile port routing
- Material
- Acrylic, Plexi (what this guide is about)
- Lighting Type
- D-RGB
- Pump Compatibility
- D5
- Dimensions
- 3.59 × 3.07 × 7.79 inches
- Weight
- 10.6 ounces
This unit is an integrated D5 pump and cylindrical acrylic reservoir combo built for custom liquid cooling loops. It gives you an overall height of 200 mm with a 60 mm tube diameter, making it suitable for mid-size or full-tower cases. With six standard G1/4-inch ports and integrated addressable D-RGB lighting, it provides flexible routing options and clear fluid visibility through its plexi body.
Pros
- Six G1/4-inch ports for flexible loop planning
- Integrated D5 pump and 200 mm tube reservoir combo
- Clear acrylic plexi construction with addressable D-RGB lighting
- Standard 60 mm reservoir tube diameter
Cons
- 200 mm overall height requires substantial vertical case clearance
- Only compatible with D5 pump setups
Good fit if
- You need an all-in-one D5 pump and reservoir unit with multiple port choices.
- You want clear acrylic construction paired with addressable D-RGB lighting.
- You have at least 200 mm of vertical mounting space in your chassis.
Skip if
- You are building inside a compact case without vertical pump clearance.
- You prefer an opaque acetal body over clear acrylic plexi.
Verdict: EK Quantum Kinetic TBE 200 D5 Plexi Combo combines a pump and reservoir into a single transparent acrylic housing with six ports. It delivers versatile routing and clear coolant monitoring for builds with sufficient vertical clearance.
Alphacool Eisblock XPX Pro Aurora Plexi CPU Block
Best for: large-socket Intel and AMD custom loops
- Material
- Acrylic, Plexi (what this guide is about)
- Socket Compatibility
- Intel 2011/2066/1700, AMD TR4/TRX40/SP4
- Lighting Type
- Digital RGB
- Dimensions
- 3.11 × 0.89 × 2.51 inches
- Weight
- 7.23 ounces
View on Amazon: Alphacool Eisblock XPX Pro Aurora Plexi CPU Block
This clear plexi CPU water block uses a nickel-plated copper base to transfer heat in custom loops. It measures 63.8 by 79 by 22.5 mm and connects using two standard G1/4-inch threads. Integrated 3-pin 5V digital RGB lighting illuminates the acrylic housing. You get native mounting support for Intel sockets 1700, 2011, and 2066 alongside AMD TR4, TRX40, and SP4, making it a direct match for large desktop and workstation builds.
Pros
- Nickel-plated copper base with clear plexi housing
- Supports AMD TR4, TRX40, SP4 and Intel 1700, 2011, 2066 sockets
- Standard 2 x G1/4" threaded ports
- Built-in 3-pin 5V digital RGB lighting
Cons
- No listed mounting support for AMD AM4 or AM5 sockets
- Requires a 3-pin 5V header instead of 4-pin 12V RGB
Good fit if
- You need a plexi block for Intel 1700, 2011, 2066 or AMD TR4, TRX40, SP4 sockets.
- You use standard G1/4" fittings in your custom liquid loop.
- You have an available 3-pin 5V digital RGB motherboard header.
Skip if
- You use an AMD AM4 or AM5 desktop motherboard.
- You need analog 4-pin 12V RGB lighting headers.
Verdict: Alphacool Eisblock XPX Pro Plexi CPU Water Block pairs a nickel-plated copper base with transparent acrylic and addressable RGB for large Intel and AMD processors. Its 22.5 mm low-profile body connects directly to standard G1/4" liquid cooling lines.
EK EK-Quantum Velocity 2 1700 CPU Block, Plexi
Best for: Intel LGA 1700 Plexi custom loops
- Material
- Acrylic, Plexi (what this guide is about)
- Socket Compatibility
- LGA 1700
- Lighting Type
- D-RGB
- Dimensions
- 19.7 × 19.7 × 11 inches
- Weight
- 10.6 ounces
View on Amazon: EK EK-Quantum Velocity 2 1700 CPU Block, Plexi
This is a dedicated CPU water block built for Intel socket LGA 1700 systems. It features an acrylic plexi top paired with integrated D-RGB lighting compatible with standard motherboard control software. The unit uses EK's Exact Mount system, complies with EK-Matrix7 loop spacing standards, and ships with Thermal Grizzly Hydronaut thermal paste. It suits you if you are assembling a custom cooling loop around an Intel LGA 1700 processor.
Pros
- Socket-specific cooling engine designed for Intel LGA 1700
- Plexi acrylic top with integrated addressable RGB lighting
- EK-Matrix7 compliant for standardized loop alignment
- Includes Thermal Grizzly Hydronaut thermal paste
Cons
- Compatible only with Intel LGA 1700 sockets
- Requires separate radiator, pump, and fittings to function
Good fit if
- You build a custom loop on an Intel LGA 1700 motherboard.
- You want a transparent plexi block with motherboard-controlled lighting.
- You plan loop routing using EK-Matrix7 component standards.
Skip if
- You run an AMD processor or an older Intel socket.
- You need an all-in-one cooler with an integrated pump and radiator.
Verdict: EK EK-Quantum Velocity 2 1700 CPU Block, Plexi delivers dedicated Intel LGA 1700 heat transfer with an acrylic housing and addressable RGB. It provides exact socket mounting and Matrix7 alignment for open-loop builds.
EK Quantum Reflection² PC-O11D EVO Plexi Distro Plate
Best for: Lian Li O11D custom loops needing plexi routing
- Material
- Acrylic, Plexi (what this guide is about)
- Pump Compatibility
- D5
View on Amazon: EK Quantum Reflection² PC-O11D EVO Plexi Distro Plate
This distribution plate pairs transparent plexi acrylic construction with an integrated pump design. Built in black, it provides dedicated liquid routing and reservoir volume specifically engineered for Lian Li O11D cases. The unit features native D5 pump compatibility to drive your custom loop. If you plan a custom liquid cooling build inside a Lian Li O11D chassis, this distro plate aligns your tubing runs directly with the case layout.
Pros
- Plexi acrylic material construction
- Integrated D5 pump compatibility
- Tailored specifically for Lian Li O11D cases
Cons
- Limited strictly to Lian Li O11D chassis compatibility
- Physical dimensions not specified in manufacturer data
Good fit if
- You build inside a Lian Li O11D chassis.
- You require a plexi acrylic distribution plate with D5 pump compatibility.
Skip if
- You use a chassis other than the Lian Li O11D.
- You prefer a standalone tubular reservoir setup.
Verdict: EK Quantum Reflection² PC-O11D EVO Plexi Distro Plate offers dedicated plexi fluid routing with an integrated D5 pump setup for Lian Li O11D builders. It serves as a targeted custom-loop component rather than a universal liquid cooling solution.
EK Quantum Velocity 2 AM5 Nickel Plexi Water Block
Best for: AM5 custom cooling setups with plexi
- Material
- Acrylic, Plexi (what this guide is about)
- Socket Compatibility
- AM5
- Lighting Type
- D-RGB
- Dimensions
- 5 × 4 × 1 inches
- Weight
- 1.23 pounds
View on Amazon: EK Quantum Velocity 2 AM5 Nickel Plexi Water Block
This CPU water block pairs a clear acrylic plexi top with a nickel-finished 99.99% pure electrolytic copper coldplate. Built specifically for AMD socket AM5 processors, it features integrated addressable digital RGB lighting compatible with motherboard sync systems. The unit measures 5 inches long, 4 inches wide, and 1 inch high. It suits custom loop builders who need direct AM5 socket compatibility and standardized EK-Matrix7 component spacing for clean tube alignment.
Pros
- Coldplate made from 99.99% pure electrolytic copper
- Digital RGB lighting compatible with major motherboard sync standards
- EK-Matrix7 compliant for standardized port spacing
- Uses the dedicated EK Exact Mount system
Cons
- Only compatible with socket AM5 motherboards
- Requires a standalone custom liquid loop to operate
Good fit if
- You build on an AMD socket AM5 motherboard.
- You want addressable RGB lighting synchronized with your motherboard.
- You plan your loop around EK-Matrix7 component dimensions.
Skip if
- You use an Intel socket or older AMD platform.
- You want an all-in-one closed liquid cooler rather than custom loop components.
Verdict: EK Quantum Velocity 2 AM5 Plexi CPU Block delivers dedicated AM5 thermal transfer via a 99.99% pure copper coldplate and acrylic plexi housing. It provides standardized EK-Matrix7 integration alongside addressable lighting for custom loops.
EK Quantum Velocity 2 AM5 Plexi Water Block
Best for: AMD AM5 custom loops with clear plexi
- Material
- Acrylic, Plexi (what this guide is about)
- Socket Compatibility
- AM5
- Lighting Type
- D-RGB
- Dimensions
- 4.47 × 1.34 × 3.5 inches
This CPU water block targets custom loops on AMD AM5 motherboards. It combines a nickel-plated base with a clear plexi top that reveals your coolant flow and diffuses the integrated digital RGB lighting. It measures 4.47 by 1.34 by 3.5 inches and includes Thermal Grizzly Hydronaut paste alongside a 100mL bottle of EK-CryoFuel Clear Concentrate. You get a dedicated AM5 cooling engine designed for desktop builds needing transparent acrylic styling and broad motherboard sync compatibility.
Pros
- Socket-specific AM5 cooling engine
- Clear plexi acrylic construction with addressable RGB lighting
- Bundled with Thermal Grizzly Hydronaut paste and 100mL EK-CryoFuel concentrate
- Addressable RGB syncs with major motherboard lighting headers
Cons
- Compatible exclusively with AMD AM5 sockets
- Requires a separate pump, radiator, and fittings to operate
Good fit if
- You are building an AMD AM5 custom liquid cooling loop.
- You want transparent plexi material to showcase your coolant and digital RGB lighting.
- You want bundled thermal paste and coolant concentrate with your water block.
Skip if
- You use an Intel processor or an older AMD platform.
- You need a self-contained AIO rather than a standalone custom loop block.
Verdict: EK Quantum Velocity 2 AM5 Plexi Water Block delivers dedicated socket-specific cooling for AMD platforms with clear plexi aesthetics and addressable lighting. Its bundled thermal paste and coolant concentrate simplify parts gathering for your custom loop.
EK Quantum Velocity 2 LGA 1700 Plexi Block Bundle
Best for: Intel LGA 1700 custom loop builders
- Material
- Acrylic, Plexi (what this guide is about)
- Socket Compatibility
- LGA 1700
- Lighting Type
- D-RGB
View on Amazon: EK Quantum Velocity 2 LGA 1700 Plexi Block Bundle
This bundle includes an acrylic and nickel CPU water block tailored strictly for the Intel LGA 1700 socket. You get built-in addressable digital RGB lighting that syncs directly with major motherboard platforms. Alongside the block, the package provides 100mL of EK-CryoFuel Clear concentrate and Thermal Grizzly Hydronaut thermal paste. It suits you if you build a custom loop for an Intel LGA 1700 processor.
Pros
- Includes 100mL EK-CryoFuel Clear concentrate
- Bundled with Thermal Grizzly Hydronaut thermal paste
- Addressable digital RGB lighting connects to major motherboard headers
- Constructed with acrylic plexi and nickel materials
Cons
- Only compatible with Intel LGA 1700 sockets
- Coolant requires manual dilution rather than being premixed
Good fit if
- You build a custom liquid cooling loop on an Intel LGA 1700 motherboard.
- You want bundled thermal paste and clear coolant concentrate with your water block.
- You use motherboard software to synchronize digital RGB illumination.
Skip if
- You use an AMD CPU or an older Intel socket platform.
- You prefer a premixed coolant ready to pour directly into the reservoir.
Verdict: EK Quantum Velocity 2 LGA 1700 Plexi Block Bundle delivers a dedicated Intel socket-specific acrylic block complete with thermal paste and clear coolant. It offers addressable lighting sync and essential fluids for setting up an LGA 1700 loop.
EK Kinetic TBE 200 D5 Plexi Pump Reservoir
Best for: custom loops needing pump and reservoir combos
- Material
- Acrylic, Plexi (what this guide is about)
- Lighting Type
- Addressable D-RGB
- Pump Compatibility
- D5
- Dimensions
- 7.87 × 2.36 × 7.87 inches
This unit combines a 60mm diameter acrylic reservoir with an integrated D5 PWM pump and includes 100mL of EK-CryoFuel Clear concentrate. It features addressable D-RGB lighting and six G1/4" ports, offering versatile routing options for custom liquid cooling loops. You get transparent Plexi construction for monitoring fluid levels directly. It suits you if you need an all-in-one reservoir and pump setup with bundled coolant for your custom loop build.
Pros
- Integrated D5 PWM pump and 60mm tube reservoir
- Six total G1/4" ports for flexible connections
- Includes 100mL EK-CryoFuel Clear concentrate
- Addressable D-RGB lighting built into plexi housing
Cons
- Height of 7.874 inches requires significant vertical clearance
- Provides coolant concentrate rather than pre-mixed fluid
Good fit if
- You want an integrated D5 pump and plexi reservoir combo.
- You need six G1/4" ports for versatile port placement.
Skip if
- You lack the 7.874-inch vertical space for a cylindrical unit.
- You prefer a flat distribution plate or standalone CPU water block.
Verdict: EK Kinetic TBE 200 D5 Plexi Pump Reservoir pairs an integrated D5 pump with a tube reservoir and included concentrate. It provides six G1/4" ports for versatile custom loop routing.
Specifications side by side
| Spec | Alphacool D-RAM Cooler X4 Universal Plexi | Alphacool Eisdecke D5 Plexi Pump Top | Alphacool Eisdecke Dual D5 Acrylic Pump Top | Alphacool Eisball D5 Reservoir and Pump Top | Alphacool Eisball 700ml D5 Reservoir | Alphacool Eisblock XPX Aurora CPU Water Block | EKWB EK-Quantum Volume FLT 240 Acrylic Reservoir | EK-Quantum Kinetic TBE 200 D5 Plexi Combo | Alphacool Eisblock XPX Pro Aurora Plexi CPU Block | EK EK-Quantum Velocity 2 1700 CPU Block, Plexi | EK Quantum Reflection² PC-O11D EVO Plexi Distro Plate | EK Quantum Velocity 2 AM5 Nickel Plexi Water Block | EK Quantum Velocity 2 AM5 Plexi Water Block | EK Quantum Velocity 2 LGA 1700 Plexi Block Bundle | EK Kinetic TBE 200 D5 Plexi Pump Reservoir |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Socket Compatibility | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | Intel 2011/2066/1700, AMD TR4/TRX40/SP4 | LGA 1700 | not specified | AM5 | AM5 | LGA 1700 | not specified |
| Lighting Type | not specified | not specified | not specified | Digital RGB | Digital RGB | Digital RGB | D-RGB | D-RGB | Digital RGB | D-RGB | not specified | D-RGB | D-RGB | D-RGB | Addressable D-RGB |
| Lighting | not specified | not specified | not specified | Digital RGB | Digital RGB | Digital RGB | Digital RGB | RGB | not specified | RGB | not specified | RGB | RGB | RGB | not specified |
| Material | Acrylic, Plexi | Acrylic, Plexi | Acrylic, Plexi | Acrylic, Plexi | Acrylic, Plexi | Acrylic, Plexi | Acrylic, Plexi | Acrylic, Plexi | Acrylic, Plexi | Acrylic, Plexi | Acrylic, Plexi | Acrylic, Plexi | Acrylic, Plexi | Acrylic, Plexi | Acrylic, Plexi |
| Pump Compatibility | not specified | D5 | D5 | D5 | D5 | not specified | not specified | D5 | not specified | not specified | D5 | not specified | not specified | not specified | D5 |
| Dimensions | 5.02 × 1.78 × 0.64 inches | 3.15 × 3.15 × 1.57 inches | 7.48 × 3.94 × 2.76 inches | 4.63 × 5.04 × 5.04 inches | 2.01 × 5.04 × 5.04 inches | 2.98 × 2.98 × 1.3 inches | 19.7 × 19.7 × 11 inches | 3.59 × 3.07 × 7.79 inches | 3.11 × 0.89 × 2.51 inches | 19.7 × 19.7 × 11 inches | not specified | 5 × 4 × 1 inches | 4.47 × 1.34 × 3.5 inches | not specified | 7.87 × 2.36 × 7.87 inches |
| Weight | 8.32 ounces | 0.44 kilograms | 1.67 pounds | 1.42 pounds | 2.03 pounds | 7.27 ounces | 2.16 pounds | 10.6 ounces | 7.23 ounces | 10.6 ounces | not specified | 1.23 pounds | not specified | not specified | not specified |
| Color | Nickel | Clear | Clear | Argb | ARGB | Black | not specified | Plexi | Clear | not specified | Black | Nickel | Nickel + Plexi | Nickel/Plexi | Plexi |
| Model | 17272 | 13189 | 13312 | 15362 | 13324 | 12946 | 3831109819739 | 3831109818398 | 12981 | 3831109857663 | 3831109892558 | 3831109857694 | TR-85769-81330 | TR-85766-81330 | TR-81839-81330 |
| Size | not specified | not specified | not specified | not specified | 700 mL" | not specified | D-RGB FLT 240 | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified |
Is Plexi Worth It for Your Cooling Setup?
Plexi and acrylic housings replace solid, opaque covers with transparent bodies. This material allows direct visual inspection of fluid paths inside your water blocks, pump tops, and reservoirs. The transparency works directly with integrated addressable RGB and Digital RGB lighting strips, dispersing light across the fluid chamber rather than blocking illumination. Choosing plexi does not alter standard G1/4-inch port threading or coldplate contact. It changes external visibility and internal light transmission. Solid alternatives maintain identical loop connectivity without exposing fluid chambers.
Worth it if
- You want direct visual visibility of the coolant channels inside your blocks and reservoirs.
- You plan to illuminate loop hardware using integrated addressable RGB or Digital RGB elements.
Skip it if
- You build inside an enclosed case where internal component transparency serves no visual purpose.
- You prefer opaque component construction that conceals internal fluid chambers.
How We Picked Plexi Components
To find the 15 liquid cooling picks for 2026, you evaluate manufacturer listings matching Plexi material. A product qualifies when its title or feature list explicitly specifies Plexi or acrylic construction. Only one variant per product family is included to prevent duplicate entries. All information comes directly from published specifications rather than physical evaluation.
The list displays products in stock first. You can evaluate the options through key published specifications, including pump compatibility, dimensions, chamber capacity, and port options. These manufacturer metrics help you determine the right plexi liquid cooling hardware for your setup.
How to Choose Plexi Cooling Components
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Check CPU Socket Specifications
Check the socket compatibility listed on the water block specifications before purchasing. Some plexi CPU blocks support universal mounting across standard Intel and AMD platforms, while others cater to a single specific socket. For instance, the EK Quantum Velocity 2 AM5 Nickel Plexi Water Block only installs on AMD AM5 motherboards. If you run a multi-platform configuration or plan hardware upgrades, select a block with broad socket brackets. For modern dedicated platforms, match the exact pin configuration to ensure proper coldplate contact and pressure.
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Count Threaded G1/4 Ports
Evaluate port counts to map out tubing routes without needing extra splitters or angled adapters. Liquid cooling components use standard G1/4-inch threaded ports, but the total number of inlets, outlets, and fill points varies by design. The EK Kinetic TBE 200 D5 Plexi Pump Reservoir includes six separate ports to give you diverse inflow and outflow routing options. Check whether the unit provides dedicated fill and drain ports in addition to the main inlet and outlet. More ports simplify filling, bleeding, and draining maintenance routines.
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Evaluate Reservoir Coolant Capacity
Review reservoir volume specifications against your chassis clearance and cooling expectations. Fluid reservoirs store spare coolant, making the loop easier to bleed of air pockets during initial setup. A large reservoir like the Alphacool Eisball D5 Reservoir and Pump Top holds 700 ml of liquid, which suits roomy chassis layouts. Flatter options hold smaller capacities, such as 225 ml in slim 240 mm formats. Compare reservoir volume and exterior dimensions to your open case space to guarantee adequate liquid volume without blocking motherboard power connectors or memory.
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Consider Dual Pump Housing
Examine whether your custom loop requires single or dual pump housings. Highly complex loops with multiple radiators, CPU blocks, and RAM coolers generate significant fluid resistance. Products such as the Alphacool Eisdecke Dual D5 Acrylic Pump Top accommodate two D5 pumps within a single plexi frame. Dual tops provide pressure redundancy if one pump fails and increase overall flow rate across high-resistance loops. If you run a compact setup with few components, a single pump top saves internal chassis space and reduces installation weight.
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Match Addressable RGB Headers
Verify the lighting specifications to guarantee compatibility with your motherboard or lighting controller. Transparent plexi parts often integrate Digital RGB or standard RGB LEDs that illuminate the coolant passage. The Alphacool Eisblock XPX Aurora CPU Water Block incorporates Digital RGB diodes along its frame. Digital RGB uses a 3-pin 5V connection allowing individual diode control, whereas standard 4-pin 12V RGB handles only uniform colors. Check your motherboard header pinout and voltage rating before purchasing to prevent electrical mismatch or damaged lighting strips on plexi components.
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Select Universal or Case-Specific Shapes
Check whether a component features a universal form factor or a case-specific chassis layout. Universal blocks, tube reservoirs, and flat panels mount across various computer cases using standard fan rails or brackets. In contrast, distribution plates like the EK Quantum Reflection² PC-O11D EVO Plexi Distro Plate are engineered exclusively for defined case interiors like the Lian Li O11D. Choosing a chassis-specific distro plate streamlines tube routing for that exact frame, while universal components ensure you can reuse your plexi water-cooling gear in different cases during future system rebuilds.
Frequently asked questions
What port size do plexi liquid cooling components use?
Most plexi cooling components use standard G1/4-inch threaded ports to connect fittings and tubing. For example, the Alphacool D-RAM Cooler X4 and Alphacool Eisblock XPX Pro connect directly via G1/4-inch threads. Standalone reservoirs like the EKWB EK-Quantum Volume FLT 240 feature four G1/4-inch ports, while the EK Kinetic TBE 200 combo provides six G1/4-inch ports for your routing needs.
Are D5 pumps included with plexi pump tops and reservoirs?
Some plexi units require you to purchase the pump separately, while others bundle the motor directly into the assembly. The Alphacool Eisdecke D5 Plexi Pump Top and Eisball D5 Reservoir function as housings and require a separate D5 pump. In contrast, combo units like the EK Kinetic TBE 200 D5 Plexi feature an integrated D5 pump alongside the reservoir body.
What lighting configurations are available on plexi water blocks?
Plexi water blocks typically integrate addressable RGB or Digital RGB LEDs embedded into the clear housing. Units like the Alphacool Eisblock XPX Aurora use Digital RGB lighting to illuminate coolant flow over the nickel-plated copper plate. Similarly, the EK Quantum Velocity 2 models for AM5 and LGA 1700 incorporate synchronized RGB lighting across their transparent acrylic tops.
Can you cool system memory using plexi custom loop blocks?
Yes, dedicated plexi blocks can directly cool memory modules inside your custom loop. The Alphacool D-RAM Cooler X4 Universal Plexi mounts across four memory slots to transfer heat through a copper base plate. Its transparent acrylic cover lets you monitor fluid movement directly over the RAM modules while connecting to your main loop through standard G1/4-inch ports.
What fluid capacity do standalone plexi reservoirs provide?
Reservoir fluid capacity varies based on the shape and overall exterior dimensions of the acrylic unit. The flat EKWB EK-Quantum Volume FLT 240 Acrylic Reservoir holds up to 225 ml of liquid coolant. In comparison, spherical models like the Alphacool Eisball D5 deliver a larger 700 ml capacity to maintain higher liquid volume throughout your custom cooling loop.
What base plate materials pair with plexi CPU water blocks?
Plexi CPU water blocks pair their transparent acrylic tops with copper or nickel-plated copper cold plates. The Alphacool Eisblock XPX Pro Aurora uses a nickel-plated copper base to conduct heat from the processor. In addition, the EK Quantum Velocity 2 AM5 Nickel Plexi features a 99.99 percent pure copper cold plate beneath its clear plexi housing for direct thermal transfer.
Are plexi distribution plates universal or case-specific?
Most plexi distribution plates are designed for specific PC chassis rather than universal application. For example, the EK Quantum Reflection² PC-O11D EVO Plexi Distro Plate is engineered specifically for Lian Li O11D enclosures. It routes fluid through targeted channels and connects directly to an integrated D5 pump setup matching the case interior dimensions.