Best Alphacool Water Cooling Parts Under $100 in 2026: 15 Picks
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We compared 15 options to help you find the best alphacool water cooling parts under $100. All picks rely strictly on published specifications. The Alphacool NexXxos 240mm Full Copper Radiator leads this list. It offers six G1/4" ports for flexible tubing routing in dual-fan custom loops. Every selection reflects the physical dimensions, materials, and port counts listed on the product pages. This guide helps you decide which radiator or block fits your specific case constraints and loop design.
Quick picks
The best fit for you
- You need a standard dual-fan radiator for your loop Alphacool NexXxos 240mm Full Copper Radiator This 240mm copper radiator features six G1/4" ports for flexible tubing routing.
- You require the thinnest 360mm radiator available for your case Alphacool NexXxos ST30 360mm X-Flow Radiator Its slim 1.18-inch profile provides 360mm cooling without excessive vertical depth.
- You want an integrated pump and block for simplicity Alphacool Eisbaer Pro Aurora CPU Block This unit combines a CPU block with a pump to simplify your loop.
- You need a high-capacity illuminated reservoir for your D5 pump Alphacool Eisball D5 Reservoir and Pump Top This acrylic sphere holds 700 ml of coolant and features digital RGB lighting.
Our 15 picks
Alphacool NexXxos 240mm Full Copper Radiator
Best for: dual-fan custom loops needing multiple ports
- Radiator Size
- 240mm
- Material
- Copper
- Thread Size
- G1/4"
- Fan Mount
- Dual Fan
- Dimensions
- 4.88 × 11 × 1.81 inches
- Weight
- 1.32 pounds
View on Amazon: Alphacool NexXxos 240mm Full Copper Radiator
This unit is a 240mm dual-fan liquid cooling radiator built with copper fins, channels, and chambers. It measures 46mm thick and features six G1/4-inch ports for flexible routing. You get standard dual 120mm fan spacing in a 280mm long black frame. It suits you if you build a custom loop and need balanced clearance with multiple port entry options across your chassis.
Pros
- Copper channels, fins, and chambers
- Six G1/4" connection ports
- Dual 120mm fan mount support
- 46mm thickness profile
Cons
- 46mm depth requires more clearance than slim radiators
- Fans and fittings not included in listing
Good fit if
- You need six G1/4" ports for flexible tube routing.
- You run a custom loop with dual 120mm fan mounts.
- You have chassis clearance for a 46mm thick core.
Skip if
- You need a slim 25mm or 30mm radiator profile.
- You want a complete pre-assembled system with pump and fans included.
Verdict: Alphacool NexXxos XT45 240mm Full Copper Radiator delivers solid dual-fan heat dissipation and six G1/4" port options. It serves as a dependable core component for 240mm custom loop builds.
Alphacool NexXxos UT60 120mm Copper Radiator
Best for: small form factor cases
- Radiator Size
- 120mm
- Material
- Copper, brass, steel
- Thread Size
- G1/4"
- Fan Mount
- Single Fan
- Dimensions
- 4.72 × 4.72 × 2.76 inches
- Weight
- 1.76 pounds
View on Amazon: Alphacool NexXxos UT60 120mm Copper Radiator
The Alphacool UT60 is a 120mm single-fan radiator designed for tight spaces. It features a full copper core with brass threads and steel side panels. The unit measures 157 x 124 x 60mm and weighs 1,004g. It includes six G1/4" ports for flexible tubing connections. This compact block suits builds where space is limited or you need a dedicated fan mount.
Pros
- Full copper core for efficient heat transfer
- Six G1/4" ports for versatile tubing routing
- Compact 60mm thickness saves space
- Steel side panels add structural rigidity
Cons
- Single fan mount limits total airflow
- Smaller surface area reduces cooling capacity
- Black finish may not match all builds
Good fit if
- You need a radiator for a small form factor case
- You require a dedicated single-fan cooling solution
- You want a compact core with multiple port options
Skip if
- You need high cooling performance for overclocking
- You prefer dual or triple fan configurations
- You want a larger surface area for heat dissipation
Verdict: Alphacool UT60 120mm Single Fan Radiator fits users with space constraints who need a compact, high-quality copper core. It is ideal for small builds where a single fan is sufficient.
Alphacool NexXxoS ST30 280mm Copper Radiator
Best for: compact dual-140mm loop setups
- Radiator Size
- 280mm
- Material
- Copper
- Thread Size
- G1/4
- Dimensions
- 12.6 × 5.67 × 1.18 inches
- Weight
- 0.86 kilograms
View on Amazon: Alphacool NexXxoS ST30 280mm Copper Radiator
This component is a 280mm liquid cooling radiator built with full copper material and finished in black. At 1.18 inches thick, 5.67 inches wide, and 12.6 inches long, it provides dual-140mm fan mounting space in a slim form factor. Weighing 0.86 kilograms, it suits your custom loop or expandable liquid setup if you have chassis mounts for 140mm-wide hardware and need a low-profile radiator to clear surrounding components.
Pros
- Full copper material construction
- Slim 1.18-inch height profile
- Standard 280mm dual-fan form factor
- Total weight of 0.86 kilograms
Cons
- Wider 5.67-inch frame requires specific 140mm case mounts
- Thinner 1.18-inch thickness provides less surface depth than 1.97-inch models
Good fit if
- You have case mounts tailored for a 280mm, 5.67-inch-wide radiator.
- You need a slim 1.18-inch-thick radiator to clear motherboard components or memory.
- You want a full copper radiator for your liquid loop.
Skip if
- You have a PC chassis that only supports 120mm-wide radiator mountings.
- You prefer a thicker 1.57-inch or 1.97-inch radiator for your setup.
Verdict: Alphacool NexXxoS ST30 280mm Copper Radiator delivers a full copper build in a slim 1.18-inch profile for cases that accommodate 280mm hardware. It gives you 12.6 inches of radiator length while keeping vertical clearance requirements low.
Alphacool NexXxoS XT45 40mm Copper Radiator
Best for: tight space custom loops
- Radiator Size
- 40mm
- Material
- copper, steel
- Dimensions
- 5.79 × 1.57 × 1.61 inches
- Weight
- 0.34 kilograms
This Alphacool NexXxoS XT45 is a triple 40mm radiator built from full copper. It measures 5.79 inches in length and weighs 0.34 kilograms. The black finish fits standard builds. You need this if you have limited space but require high heat dissipation. It offers a compact solution for tight cases or custom loops where larger radiators do not fit.
Pros
- Full copper construction for efficient heat transfer
- Compact 40mm thickness saves case space
- Triple fan design maximizes surface area
- Black finish matches many builds
Cons
- Small 40mm size limits total cooling power
- No included fans or mounting hardware
- Heavy for its small footprint
Good fit if
- You have a small form factor case
- You need extra cooling in tight spaces
- You are building a custom loop with limited room
Skip if
- You need high airflow for overclocking
- You want a plug-and-play all-in-one solution
- You prefer aluminum radiators for weight savings
Verdict: Alphacool 40mm Triple Copper Radiator is the right choice for builders with tight space constraints who need maximum cooling in a small footprint.
Alphacool NexXxoS XT45 92mm Copper Radiator
Best for: compact builds with 92mm fan mounts
- Radiator Size
- 92mm
- Material
- Copper
- Thread Size
- G1/4
- Dimensions
- 3.94 × 3.94 × 2.36 inches
- Weight
- 15.9 ounces
This component is a compact 92mm liquid cooling radiator built from copper with a black finish. It measures 3.94 inches long, 3.94 inches wide, and 2.36 inches tall, weighing 15.9 ounces. If you build custom liquid loops inside compact cases with dedicated 92mm fan mounts, this single-fan unit gives you full copper construction in a small footprint.
Pros
- Full copper material construction
- Compact 92mm single-fan form factor
- 2.36-inch profile for medium thickness loops
- Total weight of 15.9 ounces
Cons
- Limited to 92mm fan mounts
- 2.36-inch height requires adequate case clearance
Good fit if
- You need a copper radiator designed for 92mm fan mounts.
- You have at least 2.36 inches of clearance for radiator thickness.
Skip if
- You require standard 120mm or 140mm fan mounting.
- You have tight clearance that cannot accommodate a 2.36-inch thick radiator.
Verdict: Alphacool NexXxoS XT45 92mm Copper Radiator provides an all-copper cooling option for small chassis with 92mm fan locations. Its 2.36-inch profile suits custom loop builders needing a small footprint.
Alphacool NexXxoS XT45 60mm Dual Copper Radiator
Best for: ultra-compact small-form-factor liquid cooling builds
- Radiator Size
- 60mm
- Material
- Copper
- Thread Size
- G1/4
- Dimensions
- 4.72 × 2.36 × 2.36 inches
- Weight
- 0.41 kilograms
View on Amazon: Alphacool NexXxoS XT45 60mm Dual Copper Radiator
This component is an all-copper dual radiator built for compact custom liquid cooling loops. It measures 4.72 inches in length, 2.36 inches in width, and 2.36 inches in height, weighing 0.41 kilograms. You get copper construction across the core with a black finish. If you need a mini heat exchanger for small-form-factor builds or tight chassis enclosures, this unit provides targeted dual-fan cooling capacity in restricted spaces.
Pros
- Full copper material construction
- Compact footprint at 4.72 inches in length
- Lightweight build at 0.41 kilograms
- Designed for dual 60mm fan setups
Cons
- Much smaller surface area than 120mm or 140mm radiators
- 2.36-inch thickness requires adequate depth clearance
Good fit if
- You need a compact radiator for a small-form-factor PC enclosure.
- You want an all-copper core to match existing copper loop components.
Skip if
- You have chassis space for standard 120mm or 140mm radiators.
- You require high heat dissipation for multiple high-wattage components.
Verdict: Alphacool NexXxoS XT45 60mm Dual Radiator delivers an all-copper cooling core tailored specifically for space-constrained cases. It gives you targeted liquid cooling capacity where standard radiators cannot physically fit.
Alphacool NexXxoS XT45 Full Copper 60mm Triple Radiator
Best for: compact custom loops with 60mm mounts
- Radiator Size
- 60mm
- Material
- Copper, brass, stainless steel
- Thread Size
- G1/4"
- Dimensions
- 7.09 × 2.36 × 2.36 inches
- Weight
- 1.14 pounds
View on Amazon: Alphacool NexXxoS XT45 Full Copper 60mm Triple Radiator
This unit is a custom loop radiator constructed entirely with copper material. It features a length of 7.09 inches, width of 2.36 inches, and height of 2.36 inches, with a total weight of 1.14 pounds. The profile matches 60mm fan mount configurations in compact installations. You get a dedicated triple 60mm form factor that suits small enclosures where standard 120mm or 140mm radiators cannot physically fit.
Pros
- Full copper material construction
- Compact 7.09-inch length fits restricted spaces
- Total weight of 1.14 pounds
- Narrow 2.36-inch width
Cons
- Requires 60mm fan mounts rather than common 120mm mounts
- Thickness of 2.36 inches requires adequate clearance
Good fit if
- You need a copper radiator for 60mm fan mounts.
- You have at least 2.36 inches of clearance for thickness.
- You are building a custom cooling loop in a tight chassis.
Skip if
- You require mounting for standard 120mm or 140mm fans.
- You need a slim profile under 2.36 inches deep.
Verdict: Alphacool NexXxoS XT45 Full Copper 60mm Radiator provides full copper construction for compact chassis setups. It delivers triple 60mm compatibility for systems unable to fit standard 120mm radiators.
Alphacool NexXxos ST30 360mm X-Flow Radiator
Best for: slim 360mm custom loop installations
- Radiator Size
- 360mm
- Material
- Copper chambers, fins, channels
- Thread Size
- 4x G1/4"
- Fan Mount
- Triple Fan
- Dimensions
- 16.3 × 4.88 × 1.18 inches
- Weight
- 1.51 pounds
View on Amazon: Alphacool NexXxos ST30 360mm X-Flow Radiator
This component is a 360mm triple-fan liquid cooling radiator built with an all-copper core. You get copper cooling channels, chambers, and fins housed inside steel side panels. The slim 30mm profile measures 413mm long and weighs 686g, providing cross-flow routing through four standard G1/4-inch threaded brass ports. It suits you if you need a high-surface-area 360mm heat exchanger that fits into tighter PC chassis clearances without adding bulk.
Pros
- Full copper channels, fins, and water chambers
- Slim 30mm thickness for tight clearance mounting
- Four G1/4-inch threaded connection ports
- Lightweight build at 686 grams
Cons
- Long 413mm total length requires extra chassis end clearance
- No fans included in specifications
Good fit if
- You need a slim 30mm thick 360mm triple-fan radiator.
- You want an all-copper core with four G1/4-inch ports.
Skip if
- You lack the 413mm lengthwise chassis clearance needed for end tanks.
- You require a smaller 120mm or 240mm mounting format.
Verdict: Alphacool NexXxoS ST30 Full Copper X-Flow 360mm delivers a full copper core and multi-port flexibility in a slim 30mm profile. It gives your liquid cooling loop extensive 360mm heat dissipation without demanding excessive vertical depth.
Alphacool NexXxos XT45 X-Flow 240mm Copper Radiator
Best for: cross-flow loops needing multiple connection options
- Radiator Size
- 240mm
- Material
- Copper, brass, steel
- Thread Size
- G1/4"
- Fan Mount
- Dual Fan
- Dimensions
- 11.5 × 4.88 × 1.77 inches
- Weight
- 1.03 kilograms
View on Amazon: Alphacool NexXxos XT45 X-Flow 240mm Copper Radiator
The Alphacool NexXxos XT45 240mm X-Flow Radiator is a dual-fan heat exchanger built with copper fins, channels, and chambers. It measures 293 x 124 x 45mm, giving you a 45mm thickness that provides substantial cooling surface. The unit features six G1/4-inch ports across both ends, facilitating cross-flow coolant pathways. This suits you if you plan custom loops through dual 120mm fan brackets and require multi-port connection flexibility.
Pros
- Copper cooling fins, channels, and chambers with brass threads
- Six G1/4-inch threaded ports for diverse connection angles
- 45mm core thickness for high thermal capacity
- Cross-flow (X-Flow) design for end-to-end fluid routing
Cons
- Overall length of 293mm exceeds standard 240mm radiator footprints
- 45mm thickness requires more chassis depth than slim radiators
Good fit if
- You want six G1/4-inch connection points for easier routing.
- You have clearance for a 45mm thick 240mm radiator.
- You prefer an inline X-Flow loop configuration.
Skip if
- You need a slim 25mm or 30mm profile radiator to clear motherboard components.
- You have tight front-to-back chassis dimensions under 293mm.
Verdict: Alphacool NexXxos XT45 240mm X-Flow Radiator provides durable all-copper core construction and versatile routing via six G1/4-inch ports. Its 45mm thickness makes it a solid cooling choice when your chassis allows the necessary clearance.
Alphacool NexXxoS ST25 240mm Copper Radiator
Best for: compact custom loops needing all-copper cooling
- Radiator Size
- 240mm
- Material
- Copper
- Thread Size
- G1/4
- Dimensions
- 2.36 × 4.72 × 4.72 inches
- Weight
- 1.75 pounds
View on Amazon: Alphacool NexXxoS ST25 240mm Copper Radiator
This is a 240mm slim liquid cooling radiator built entirely with copper channels, fins, and end chambers. You get a black finish and a weight of 1.75 pounds, sized at 2.36 inches in length and 4.72 inches in width. It suits you if you need a 240mm radiator for your custom loop build that requires full copper construction across every internal component.
Pros
- Pure copper used for cooling fins, water channels, and end chambers
- Slim profile designed for space-conscious installations
- Lightweight design at 1.75 pounds
Cons
- No cooling fans included in the specifications
- No standalone pump or reservoir integrated
Good fit if
- You want pure copper construction across the fins, channels, and chambers.
- You need a 240mm radiator with a weight of 1.75 pounds.
Skip if
- You need an all-in-one cooler that includes fans and a pump out of the box.
- You require a larger 360mm radiator surface for your loop.
Verdict: Alphacool NexXxoS ST25 Slim Full Copper 240mm Radiator delivers full copper construction across its channels, fins, and end chambers in a compact profile. It suits your build when you need an all-copper 240mm core for a custom cooling loop.
Alphacool Aurora Acryl X4 RAM Water Block
Best for: custom loop memory cooling with digital RGB
- Lighting
- ARGB
- Material
- Nickel-plated copper
- Dimensions
- 6.3 × 2.76 × 1.57 inches
- Weight
- 5.28 ounces
The Alphacool Aurora Acryl X4 RAM Water Block is an individual memory cooling block designed for custom liquid loops. It features a 4 mm nickel-plated copper base plate, an acrylic top, and flush-mounted addressable digital RGB LEDs along the side. Measuring 128 x 45 x 19 mm, it works in combination with Alphacool D-RAM modules to manage memory heat in your custom loop.
Pros
- 4 mm thick nickel-plated copper cooling plate
- Flush-mounted addressable digital RGB LED side strip
- Compact 128 x 45 x 19 mm form factor
- Clear acrylic top construction
Cons
- Requires separate Alphacool D-RAM modules (model 17268)
- Cools memory modules only, not CPU or GPU components
- Does not include an integrated pump or radiator
Good fit if
- You want dedicated liquid cooling for your RAM modules.
- You plan to use compatible Alphacool D-RAM module heatsinks.
- You want embedded digital RGB lighting alongside your memory.
Skip if
- You need an all-in-one cooler with an integrated pump and radiator.
- You want a memory block that functions without separate adapter modules.
Verdict: Alphacool Aurora Acryl X4 RAM Water Block provides targeted memory cooling using a 4 mm nickel-plated copper plate and built-in digital RGB lighting. It suits custom loops that already utilize compatible Alphacool D-RAM modules.
Alphacool Eisball D5 Reservoir and Pump Top
Best for: D5 builds requiring illuminated high-capacity reservoirs
- Lighting
- Digital RGB
- Material
- Transparent nylon
- Reservoir Capacity
- 700 ml
- Pump Compatibility
- D5
- Dimensions
- 4.63 × 5.04 × 5.04 inches
- Weight
- 1.42 pounds
This spherical liquid cooling unit serves as both a 700 ml reservoir and an integrated top for a D5 pump. Built from transparent nylon with an acetal pump holder, it incorporates digital RGB illumination across its acrylic body. Measuring 117.51 by 128 by 128 mm, it suits you if you want high fluid capacity paired with addressable lighting and plan to supply your own compatible D5 pump unit.
Pros
- 700 ml fluid capacity
- Integrated digital RGB lighting
- Compatible with D5 pump units
- Durable transparent nylon and acetal construction
Cons
- D5 pump is not included
- Spherical 128 mm dimensions require significant case clearance
Good fit if
- You plan to provide your own compatible D5 pump.
- You want a 700 ml reservoir with integrated digital RGB lighting.
Skip if
- You need a reservoir that includes an integrated pump.
- You have a compact case unable to fit a 128 mm wide sphere.
Verdict: Alphacool Eisball Digital RGB D5 Reservoir provides 700 ml of coolant capacity and digital RGB lighting in a spherical design. It serves as a sturdy mounting housing if you already have a compatible D5 pump.
Alphacool VPP Apex PWM D5 Pump
Best for: custom loops needing a D5-compatible pump motor
- Pump Flow Rate
- 340L/h
- Pump Compatibility
- D5
- Dimensions
- 1.61 × 2.56 × 2.56 inches
- Weight
- 9.74 ounces
This is a standalone liquid cooling pump designed for custom PC loops. You get an operating range of 2500 to 4500 RPM controlled via a 4-pin PWM header, delivering up to 340 liters per hour of coolant circulation. Power comes directly through a standard SATA connection. Built with a ceramic shaft, it fits standard D5-compatible tops and reservoirs. It suits you if you need a replacement pump motor for an existing custom loop.
Pros
- 2500 to 4500 RPM range with 4-pin PWM speed control
- 340 L/h flow rate for custom liquid loops
- Ceramic shaft engineered for low vibration and durability
- Uses standard SATA connector for power delivery
- Directly compatible with D5 pump tops and reservoirs
Cons
- Does not include a pump top or reservoir body
- Requires separate D5-compatible housing for loop integration
Good fit if
- You already own a D5 pump top or compatible reservoir.
- You want SATA power and motherboard PWM speed regulation.
Skip if
- You need a complete pump and reservoir combo out of the box.
- You are building around DDC pump mounts instead of D5 hardware.
Verdict: Alphacool VPP Apex D5 Water Cooling Pump provides dependable PWM-managed flow for custom loops up to 340 L/h. It installs directly into standard D5-format housings.
Alphacool Eisbaer Pro Aurora CPU Block
Best for: Integrated pump and block users
- Socket Compatibility
- Intel, AMD
- Lighting
- Addressable Digital RGB
- Material
- Nickel-plated copper, acrylic, POM
- Thread Size
- G1/4"
- Coolant Type
- Deionized Water
- Dimensions
- 19.7 × 19.7 × 11 inches
The Alphacool Eisbaer Pro Aurora combines a CPU water block, pump, and reservoir into one unit. It features Digital RGB lighting and uses Acetal construction. The unit supports both Intel and AMD sockets with G1/4 threads. Its compact design integrates cooling components directly. You get a streamlined build option for custom loops. This all-in-one block simplifies assembly while maintaining performance standards for your system.
Pros
- Integrated pump and reservoir design
- Compatible with Intel and AMD sockets
- Digital RGB lighting effects
- G1/4 threaded connections
Cons
- Acetal material may wear over time
- Fixed pump speed limits control
- No software control for lighting
Good fit if
- You want an integrated pump and block
- You use Intel or AMD CPUs
- You prefer simple Digital RGB
Skip if
- You need variable pump speeds
- You require full software control
- You want full copper construction
Verdict: Alphacool Eisbaer Pro Aurora CPU Block is a practical choice for users seeking an integrated pump and block solution. It suits builders who want to simplify their loop with a single component that supports both major CPU platforms.
Alphacool NexXxoS ST20 140mm Copper Radiator
Best for: compact PC cases with 140mm mounts
- Radiator Size
- 140mm
- Material
- Copper, brass, stainless steel
- Thread Size
- G1/4"
- Dimensions
- 6.73 × 5.51 × 0.79 inches
View on Amazon: Alphacool NexXxoS ST20 140mm Copper Radiator
This is a standalone 140mm liquid cooling radiator with a compact 0.79-inch height. Built with full copper water channels and cooling fins, it delivers thermal conductivity for single-fan custom loops. Its overall footprint measures 6.73 inches long by 5.51 inches wide. You will find it fits well in compact PC chassis where component clearance is limited, giving you standard 140mm fan mounting options in tight spaces.
Pros
- Pure copper cooling fins and internal water pathways
- Slim profile measuring 0.79 inches in thickness
- Single 140mm footprint fits smaller fan mounts
- Black finish matches standard chassis interiors
Cons
- Single 140mm size provides less cooling area than dual-fan radiators
- Slim 0.79-inch depth holds less fluid capacity than 1.18-inch models
Good fit if
- You need a thin 0.79-inch radiator to prevent motherboard clearance conflicts.
- You have a PC chassis restricted to a single 140mm cooling mount.
- You require an all-copper core for your custom cooling loop.
Skip if
- You have room for larger 240mm, 280mm, or 360mm radiators.
- You want a thicker radiator profile to maximize internal fluid volume.
Verdict: Alphacool NexXxoS ST20 140mm Copper Radiator delivers a slim 0.79-inch all-copper cooling option for tight chassis layouts.
Specifications side by side
| Spec | Alphacool NexXxos 240mm Full Copper Radiator | Alphacool NexXxos UT60 120mm Copper Radiator | Alphacool NexXxoS ST30 280mm Copper Radiator | Alphacool NexXxoS XT45 40mm Copper Radiator | Alphacool NexXxoS XT45 92mm Copper Radiator | Alphacool NexXxoS XT45 60mm Dual Copper Radiator | Alphacool NexXxoS XT45 Full Copper 60mm Triple Radiator | Alphacool NexXxos ST30 360mm X-Flow Radiator | Alphacool NexXxos XT45 X-Flow 240mm Copper Radiator | Alphacool NexXxoS ST25 240mm Copper Radiator | Alphacool Aurora Acryl X4 RAM Water Block | Alphacool Eisball D5 Reservoir and Pump Top | Alphacool VPP Apex PWM D5 Pump | Alphacool Eisbaer Pro Aurora CPU Block | Alphacool NexXxoS ST20 140mm Copper Radiator |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Radiator Size | 240mm | 120mm | 280mm | 40mm | 92mm | 60mm | 60mm | 360mm | 240mm | 240mm | not specified | not specified | not specified | not specified | 140mm |
| Socket Compatibility | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | Intel, AMD | not specified |
| Lighting | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | ARGB | Digital RGB | not specified | Addressable Digital RGB | not specified |
| Material | Copper | Copper, brass, steel | Copper | copper, steel | Copper | Copper | Copper, brass, stainless steel | Copper chambers, fins, channels | Copper, brass, steel | Copper | Nickel-plated copper | Transparent nylon | not specified | Nickel-plated copper, acrylic, POM | Copper, brass, stainless steel |
| Pump Flow Rate | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | 340L/h | not specified | not specified |
| Reservoir Capacity | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | 700 ml | not specified | not specified | not specified |
| Thread Size | G1/4" | G1/4" | G1/4 | not specified | G1/4 | G1/4 | G1/4" | 4x G1/4" | G1/4" | G1/4 | not specified | not specified | not specified | G1/4" | G1/4" |
| Coolant Type | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | Deionized Water | not specified |
| Pump Compatibility | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | D5 | D5 | not specified | not specified |
| Fan Mount | Dual Fan | Single Fan | not specified | not specified | not specified | not specified | not specified | Triple Fan | Dual Fan | not specified | not specified | not specified | not specified | not specified | not specified |
| Size | 240Mm | 120Mm | 280mm | 40mm | 92mm | 60mm | 60mm | 360Mm | 240Mm | 240Mm | not specified | not specified | not specified | not specified | 140mm |
| Dimensions | 4.88 × 11 × 1.81 inches | 4.72 × 4.72 × 2.76 inches | 12.6 × 5.67 × 1.18 inches | 5.79 × 1.57 × 1.61 inches | 3.94 × 3.94 × 2.36 inches | 4.72 × 2.36 × 2.36 inches | 7.09 × 2.36 × 2.36 inches | 16.3 × 4.88 × 1.18 inches | 11.5 × 4.88 × 1.77 inches | 2.36 × 4.72 × 4.72 inches | 6.3 × 2.76 × 1.57 inches | 4.63 × 5.04 × 5.04 inches | 1.61 × 2.56 × 2.56 inches | 19.7 × 19.7 × 11 inches | 6.73 × 5.51 × 0.79 inches |
| Weight | 1.32 pounds | 1.76 pounds | 0.86 kilograms | 0.34 kilograms | 15.9 ounces | 0.41 kilograms | 1.14 pounds | 1.51 pounds | 1.03 kilograms | 1.75 pounds | 5.28 ounces | 1.42 pounds | 9.74 ounces | not specified | not specified |
| Color | black | not specified | black | black | black | black | not specified | not specified | not specified | Black | Black | Argb | Black | Black | Black |
| Model | 14164 | 14172 | 14197 | 14210 | 14226 | 14223 | 14224 | 1011658 | 14234 | 14250 | 17467 | 15362 | 13339 | 13000 | 14443 |
You can evaluate how these liquid units match against other thermal hardware by reviewing the best CPU coolers under 100.
How to choose the right one
-
Match fan mounts to size
You must align the radiator length with your case's fan mounting points. The 240mm models, such as the NexXxos XT45 240mm, fit standard dual-fan slots. If your chassis only supports single fans, consider the 140mm NexXxos UT60. For smaller builds, the 92mm or 60mm options provide necessary cooling in tight spaces. Check your case specifications for supported fan sizes before purchasing. Selecting a radiator that exceeds your physical mount limits will prevent installation issues and ensure proper airflow through the core.
-
Verify pump compatibility
Pump tops and reservoirs are designed for specific pump motors. The Eisball D5 Reservoir is built exclusively for D5 pumps, while the ES Reservoir 1U is intended for DDC pumps. You cannot mix these components. Ensure your chosen pump matches the top you select. The VPP Apex PWM D5 Pump works with D5 housings. Mismatched parts will not seal correctly or function. Check the pump compatibility attribute in the specifications before buying. This step prevents leaks and ensures your loop circulates coolant effectively.
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Consider copper construction
Most Alphacool radiators use full copper cores for superior heat transfer. The NexXxos series, including the XT45 and UT60, features all-copper channels and fins. Copper conducts heat better than aluminum alternatives. This material choice helps dissipate thermal energy from your CPU or GPU more efficiently. If you prioritize thermal performance, look for products explicitly stating copper construction. The Aurora RAM block also uses a nickel-plated copper plate for memory cooling. Verify the material specs to ensure you are getting the best thermal conductivity for your build.
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Check port layout needs
Radiator port count affects how you route tubes in your loop. The NexXxos XT45 240mm offers six G1/4-inch ports, allowing flexible tubing connections. This layout supports complex loop designs without needing additional fittings. Other models may have fewer ports. If you need multiple connection points, check the product description for port details. More ports give you freedom in tube routing. Fewer ports may require extra adapters. Plan your loop path early to determine how many ports you actually need for a clean installation.
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Evaluate lighting requirements
Some components include integrated lighting for aesthetic customization. The Eisball D5 Reservoir features digital RGB lighting, and the Aurora Acryl X4 RAM block includes built-in RGB. These parts add visual appeal to your loop. If you want lighting, select components that explicitly list digital RGB or RGB features. Standard radiators like the ST30 series do not include lighting. You must verify the lighting specs in the product data. Choosing lit components requires compatible motherboard headers or controllers for proper control and synchronization with your system.
Frequently asked questions
Which Alphacool radiator is best for small form factor cases?
The NexXxos UT60 120mm Copper Radiator is ideal for space-constrained builds. It features a single-fan mount and a compact 120mm size. The unit weighs 1.76 pounds and measures 4.72 inches square. This design fits users who need a high-quality copper core without demanding excessive chassis space.
How many G1/4 ports does the top-rated Alphacool radiator have?
The NexXxos 240mm Full Copper Radiator provides six G1/4-inch port options. This allows for flexible tubing routing in dual-fan custom loops. The radiator measures 11 inches wide and 4.88 inches long. You get reliable heat dissipation with multiple connection points for your plumbing.
What is the thinnest Alphacool radiator listed for 360mm builds?
The NexXxos ST30 360mm X-Flow Radiator has a slim 1.18-inch profile. It delivers 360mm heat dissipation without demanding excessive vertical depth. The unit is 16.3 inches long and weighs 1.51 pounds. This makes it suitable for installations where chassis height is limited.
Does Alphacool make a CPU block with an integrated pump?
Yes, the Eisbaer Pro Aurora CPU Block combines the block and pump. It features digital RGB lighting and supports major CPU platforms. The unit is 19.7 inches wide and 11 inches high. This integrated design simplifies your loop by reducing the number of separate components you need to install.
Which Alphacool reservoir is compatible with D5 pumps?
The Eisball D5 Reservoir and Pump Top is designed for D5 pumps. It offers 700 ml of coolant capacity in a spherical acrylic design. The unit weighs 1.42 pounds and measures 5.04 inches square. It includes digital RGB lighting for illuminated builds.
What is the smallest 60mm Alphacool radiator option?
The NexXxos XT45 60mm Dual Copper Radiator is tailored for ultra-compact builds. It measures 4.72 inches long and 2.36 inches square. The unit weighs 0.41 kilograms. This all-copper core provides targeted liquid cooling capacity where standard radiators cannot physically fit in your chassis.
Is there an Alphacool RAM water block with RGB lighting?
The Aurora Acryl X4 RAM Water Block includes built-in digital RGB lighting. It uses a 4 mm nickel-plated copper plate for memory cooling. The block is 6.3 inches long and weighs 5.28 ounces. It suits custom loops that already utilize compatible Alphacool D-RAM modules.
Which Alphacool pump is PWM managed for custom loops?
The VPP Apex PWM D5 Pump provides dependable flow up to 340 L/h. It installs directly into standard D5-format housings. The unit measures 2.56 inches square and weighs 9.74 ounces. This allows you to manage fan speed and flow rate via PWM signals in your system.