Best Aio Liquid Coolers Under $200 in 2026: 11 Picks Ranked by Specs
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Finding the right aio liquid cooler under 200 depends on your case clearance and thermal demands. This guide compares 11 products based on the specifications published on their listings. The Alphacool NexXxos UT60 480mm Copper Radiator leads the list because its 480mm all-copper core and six G1/4-inch ports deliver extensive cooling capacity for full-tower custom liquid cooling loops.
You can use these direct spec comparisons to decide which radiator size, thickness, and port configuration fit your setup.
Quick picks
The best fit for you
- You build full-tower custom loops needing massive cooling Alphacool NexXxos UT60 480mm Copper Radiator Its 60mm thickness, copper core, and six G1/4-inch ports provide expansive cooling capacity.
- You want an all-in-one cooler for LGA 1700 ARCTIC Liquid Freezer II 420 AIO Cooler It provides LGA 1700 socket compatibility, a 420mm radiator, and an integrated VRM fan.
- You require liquid cooling for 2U server racks Alphacool NexXxoS UT60 80mm Quad Radiator This radiator fits 2U server racks and mounts up to eight 80mm cooling fans.
- You want RGB lighting with high pump throughput Thermaltake Pacific PR32-D5 Plus Pump Reservoir It delivers an 1135 L/h flow rate with addressable RGB lighting and 400ml capacity.
Our 11 picks
Alphacool NexXxos UT60 480mm Copper Radiator
Best for: full-tower custom liquid cooling loops
- Radiator Size
- 480mm
- Material
- Copper
- Dimensions
- 20.5 × 4.88 × 2.36 inches
- Weight
- 1.76 pounds
View on Amazon: Alphacool NexXxos UT60 480mm Copper Radiator (paid link)
This Alphacool NexXxos UT60 is a 480mm quad-fan radiator built for custom liquid cooling loops. It measures 522mm long and 60mm thick, requiring substantial case space. It features copper cooling fins, chambers, and channels with six standard G1/4-inch ports for flexible loop routing. If you want maximum surface area and need multiple port options for tube routing in a large PC chassis, this full-copper unit suits your build.
Pros
- Full copper construction across cooling channels, fins, and chambers
- Six G1/4-inch ports allow versatile loop routing and draining options
- Deep 60mm thickness provides substantial internal volume for four fans
Cons
- Long 522mm footprint limits chassis compatibility
- Heavy dry weight of 2,446g requires sturdy case mounting
Good fit if
- You have a full-tower chassis capable of housing a 522mm long, 60mm thick radiator.
- You need six G1/4-inch ports for versatile liquid cooling loop routing.
Skip if
- You have a compact or mid-tower PC case with limited radiator clearance.
- You need a turnkey all-in-one cooler with included fans, pump, and pre-filled tubing.
Verdict: Alphacool NexXxos UT60 480mm Copper Radiator delivers expansive cooling capacity with its six G1/4-inch ports and all-copper core construction. Its 60mm thickness and 522mm total length require a chassis with dedicated clearance for custom liquid cooling loops.
Alphacool NexXxoS XT45 Copper 560mm Radiator
Best for: large custom loops needing copper 560mm radiators
- Radiator Size
- 560mm
- Material
- Copper
- Dimensions
- 5.67 × 23.9 × 1.77 inches
- Weight
- 2.2 pounds
View on Amazon: Alphacool NexXxoS XT45 Copper 560mm Radiator (paid link)
This component is a 560mm liquid cooling radiator built with copper construction. It measures 23.86 inches in width, 5.67 inches in length, and 1.77 inches in height. Weighing 2.20 pounds, this large heat exchanger suits you if your enclosure provides clearance for an expansive 560mm radiator frame. You gain copper material design within a 1.77 inch profile built for extensive surface heat transfer setups.
Pros
- Full copper construction material
- Expansive 560mm cooling size
- Moderate 1.77-inch height profile
- Weight specified at 2.20 pounds
Cons
- Long 23.86-inch width limits chassis compatibility
- No included fans listed in specifications
Good fit if
- You have an enclosure with clearance for a 23.86-inch radiator.
- You need an all-copper radiator for your liquid loop.
- You want a 560mm heat exchanger with a 1.77-inch thickness.
Skip if
- You use a standard or compact case lacking 560mm radiator support.
- You need a complete kit containing fans, pump, and liquid.
Verdict: Alphacool NexXxoS XT45 Copper 560mm Radiator provides massive surface area with all-copper construction. Its 23.86-inch length requires a dedicated chassis built for 560mm cooling hardware.
Alphacool NexXxoS Monsta 240mm Radiator
Best for: deep clearance 240mm liquid cooling builds
- Radiator Size
- 240mm
- Dimensions
- 9.45 × 4.72 × 3.94 inches
- Weight
- 1.75 kilograms
View on Amazon: Alphacool NexXxoS Monsta 240mm Radiator (paid link)
The Alphacool NexXxoS Monsta 240mm Radiator is a standalone heat exchanger designed for custom liquid cooling loops. It measures 9.45 inches in length and features a 3.94-inch thickness alongside a 4.72-inch width. At 1.75 kilograms, this 240mm radiator provides substantial cooling volume whenever your case has sufficient depth clearance. It suits you if you need a compact dual-fan mounting length paired with maximum core thickness.
Pros
- Substantial 3.94-inch thickness provides high internal volume
- Compact 9.45-inch length fits standard 240mm mounting spots
- Solid construction with a total weight of 1.75 kilograms
Cons
- Height of nearly 4 inches blocks clearance in standard compact cases
- Weight of 1.75 kilograms adds significant load to mounting brackets
Good fit if
- You have a PC case with at least 4 inches of clearance above or in front of the bracket.
- You want a 240mm frame that maximizes radiator depth rather than length.
Skip if
- You need a slim profile radiator to prevent interference with motherboard components.
- You require a lightweight cooler that installs easily in space-constrained cases.
Verdict: Alphacool NexXxoS Monsta 240mm Radiator delivers a 3.94-inch profile for custom setups that have enough chassis depth to house its 1.75-kilogram frame.
Alphacool NexXxos UT60 420mm White Radiator
Best for: thick 420mm white custom liquid cooling loops
- Radiator Size
- 420mm
- Material
- Copper
- Dimensions
- 20.9 × 6.3 × 2.76 inches
- Weight
- 2.2 pounds
View on Amazon: Alphacool NexXxos UT60 420mm White Radiator (paid link)
This is a 420mm liquid cooling radiator built with copper chambers, fins, and channels. It features a 60mm thickness, dimensions of 468 x 144 x 60mm, and six G1/4" ports to support flexible routing. You get mounting space for three 140mm fans alongside steel side panels and brass threads. It suits you if you need a high-capacity white triple-fan radiator with all-copper fluid pathways for a custom cooling loop.
Pros
- Copper fins, channels, and chambers with brass threads
- Six G1/4-inch ports for flexible loop routing
- Thick 60mm profile provides large internal volume
- Triple 140mm fan mounting setup
Cons
- Heavy dry weight of 2,173 grams
- Thick 60mm depth requires substantial interior case clearance
Good fit if
- You need a 420mm radiator built for three 140mm fans.
- You want an all-copper internal core with a white exterior finish.
- You require versatile tubing connections through six G1/4-inch ports.
Skip if
- You have a chassis that cannot accommodate a 60mm thick radiator.
- You need a radiator designed for 120mm fan mounts.
Verdict: Alphacool NexXxos UT60 420mm White Radiator delivers massive heat dissipation area using an all-copper core and a 60mm thick profile. Its six G1/4" ports and triple 140mm layout give you exceptional loop routing flexibility if your chassis has the clearance.
Alphacool NexXxos UT60 X-Flow 360mm Radiator
Best for: spacious builds needing thick 360mm radiator capacity
- Radiator Size
- 360mm
- Material
- Copper
- Dimensions
- 18.1 × 5.51 × 2.76 inches
- Weight
- 3.17 pounds
View on Amazon: Alphacool NexXxos UT60 X-Flow 360mm Radiator (paid link)
This is a 360mm triple-fan liquid cooling radiator built with copper channels, copper fins, and copper chambers. At 60mm thick and 413mm long, it requires substantial case clearance for your loop. It features six G1/4" threaded ports with brass threading and steel side panels, giving you flexible routing options for standard fittings. You will find it suits high-clearance builds needing an all-copper core.
Pros
- Full copper construction across channels, fins, and chambers
- Six G1/4" threaded ports with brass threads for routing flexibility
- 60mm thickness provides substantial internal volume
- Durable steel side panel construction
Cons
- 60mm profile requires extensive interior chassis clearance
- Heavy dry weight of 1438g before adding coolant
- Total length of 413mm exceeds standard 360mm fan spacing
Good fit if
- You have a PC case with at least 60mm of dedicated radiator clearance.
- You want an all-copper core with copper chambers, fins, and channels.
- You need six G1/4" port options for customized tube routing.
Skip if
- You have a compact case that cannot fit a 60mm-thick radiator.
- You require a lightweight radiator to keep total system weight minimal.
Verdict: Alphacool NexXxos UT60 X-Flow 360mm Radiator delivers an all-copper core and six G1/4" ports in a 60mm-thick profile. It suits custom loops installed in cases with ample clearance.
Alphacool NexXxoS UT60 80mm Quad Radiator
Best for: 2U server rack liquid cooling builds
- Material
- Copper
- Size
- 80mm
- Dimensions
- 14.4 × 2.36 × 3.15 inches
- Weight
- 1.05 kilograms
View on Amazon: Alphacool NexXxoS UT60 80mm Quad Radiator (paid link)
This liquid cooling radiator fits 2U server racks and uses an all-copper construction across its fins, channels, and pre-chamber. It measures 364.5 by 80 by 60mm and mounts up to four 80mm fans on one side or eight in push-pull. You get an X-Flow design weighing 1.05 kilograms, making it a targeted choice if you need cooling for compact rack enclosures.
Pros
- Copper fins, channels, and pre-chamber
- Supports up to 8 80mm fans in push-pull
- Designed to fit 2U server racks
Cons
- Requires 80mm fans instead of standard sizes
- 60mm thickness requires substantial chassis depth
Good fit if
- You need a copper radiator built specifically for 2U server racks.
- You want to mount up to eight 80mm fans in a push-pull arrangement.
Skip if
- You need mounting points for 120mm or 140mm fans.
- You lack 60mm of clearance for the radiator core.
Verdict: Alphacool NexXxoS UT60 80mm Quad Radiator delivers an all-copper cooling core designed specifically for 2U server racks. It accommodates up to eight 80mm fans across its 60mm-thick frame.
Alphacool NexXxoS XT45 400mm Copper Radiator
Best for: custom liquid loops using 200mm fans
- Radiator Size
- 400mm
- Material
- Copper
- Dimensions
- 17.3 × 7.87 × 1.89 inches
- Weight
- 4.2 pounds
View on Amazon: Alphacool NexXxoS XT45 400mm Copper Radiator (paid link)
This is a 400mm full copper liquid cooling radiator designed for dual 200mm fans. It measures 440 mm long, 200 mm wide, and 48 mm thick with a total weight of 4.2 pounds. The core features a fin density of 12 fins per inch paired with seven G1/4-inch port threads for routing flexibility. You will find it suits large chassis layouts requiring custom loops with 200mm cooling fans.
Pros
- Full copper material construction
- Seven G1/4" threaded ports for flexible tube routing
- Accommodates two 200mm fans
- 12 fins per inch fin spacing
Cons
- Requires chassis space for a 200 mm width and 440 mm length
- Does not support standard 120mm or 140mm fan mounts
- Heavier dry weight at 4.2 pounds
Good fit if
- You run a PC case equipped with dual 200mm fan mounting locations.
- You want seven G1/4" connection points to customize your loop routing.
- You need a copper radiator measuring 48 mm in thickness.
Skip if
- You plan to mount standard 120mm or 140mm case fans.
- You have a compact case that cannot clear 200 mm of width.
Verdict: Alphacool NexXxoS XT45 400mm Copper Radiator provides full copper thermal dissipation tailored specifically for dual 200mm fan mounts. Its seven G1/4" ports give you versatile connection paths in compatible large-format enclosures.
Bykski Sapphire RX 5700 XT Nitro+ GPU Water Block
Best for: Sapphire RX 5700 XT Nitro+ custom loops
- Dimensions
- 11.8 × 7.11 × 2.05 inches
- Weight
- 5 pounds
View on Amazon: Bykski Sapphire RX 5700 XT Nitro+ GPU Water Block (paid link)
This Bykski full-coverage GPU water block cools your Sapphire RX 5700 XT Nitro+ graphics card inside an open-loop system. It measures 11.83 inches long, 7.11 inches wide, and 2.05 inches high, weighing 5 pounds. The block uses standard G1/4 thread fittings for custom loop integration and features a clear top with RBW lighting. It suits you if you want targeted liquid cooling for this specific graphics card layout.
Pros
- Fits standard G1/4 thread fittings
- Full-coverage design with clear top and RBW lighting
- Supports multi-GPU SLI and Crossfire setups
- Engineered directly for the Sapphire RX 5700 XT Nitro+
Cons
- Only compatible with Sapphire RX 5700 XT Nitro+ cards
- Heavy unit weight of 5 pounds
- Requires existing custom loop hardware to function
Good fit if
- You own a Sapphire RX 5700 XT Nitro+ graphics card.
- You run a custom loop using standard G1/4 fittings.
- You want clear acrylic styling with RBW lighting.
Skip if
- You use a reference RX 5700 XT or any other GPU model.
- You need an all-in-one closed-loop cooler.
Verdict: Bykski Sapphire RX 5700 XT Nitro+ GPU Water Block delivers dedicated liquid cooling for this specific non-reference graphics card. It integrates directly into custom loops using standard G1/4 thread ports.
ARCTIC Liquid Freezer II 420 AIO Cooler
Best for: Intel LGA 1700 large-chassis builds
- Radiator Size
- 420
- Socket Compatibility
- LGA1700
- Fan Speed
- 200-1700 RPM
- Dimensions
- 18.6 × 6.11 × 6.7 inches
- Weight
- 4.37 pounds
View on Amazon: ARCTIC Liquid Freezer II 420 AIO Cooler (paid link)
The ARCTIC Liquid Freezer II 420 is an all-in-one CPU liquid cooler built for Intel LGA 1700 processors. It features a massive 420 mm radiator footprint measuring 18.63 inches long, a PWM-controlled pump, and an integrated 40 mm fan to cool nearby motherboard voltage regulators. Fan cables run hidden inside the sleeved tubing directly to the pump. This setup suits you if you need heavy-duty CPU cooling inside a large PC case.
Pros
- Dedicated 40 mm PWM fan cools motherboard voltage regulators
- PWM fan wiring integrated directly inside sleeved tubing
- Large 420 mm radiator size measuring 18.63 inches long
- Compatible with Intel LGA 1700 processor sockets
Cons
- Length of 18.63 inches requires a large chassis with 420 mm clearance
- No RGB or LED lighting included
Good fit if
- You use an Intel LGA 1700 socket processor.
- You have a PC chassis that fits an 18.63-inch long radiator.
- You want active airflow over motherboard voltage regulators.
Skip if
- You have a compact case unable to house a 420 mm radiator.
- You require integrated RGB or ARGB lighting.
Verdict: ARCTIC Liquid Freezer II 420 AIO Cooler delivers high cooling capacity for LGA 1700 processors using a large radiator and a dedicated VRM fan. Its integrated tube wiring keeps case clutter down if you have the space.
Thermaltake Pacific PR32-D5 Plus Pump Reservoir
Best for: custom loops needing addressable RGB and high flow
- Lighting
- RGB
- Pump Compatibility
- D5
- Dimensions
- 13.3 × 5 × 4.25 inches
- Weight
- 1 pounds
View on Amazon: Thermaltake Pacific PR32-D5 Plus Pump Reservoir (paid link)
The Thermaltake Pacific PR32-D5 Plus is a 400ml pump and reservoir combination unit designed for custom liquid cooling loops. It pairs an integrated D5 pump delivering up to 1135 liters per hour with a 360-degree rotary cap and 12 addressable RGB LEDs. If you want software-controlled lighting compatible with Razer Chroma alongside a high-flow pump and fan-bracket mounting options, this unit fits your build.
Pros
- Maximum flow rate of 1135 L/h with 15-foot maximum head
- 12 addressable cap LEDs supporting TT RGB Plus, Razer Chroma, and Alexa
- 360-degree rotary cap allows G 1/4" port adjustment after mounting
- 400ml reservoir capacity rated for up to 50 PSI
- Includes fan-mounting bracket alongside standard stand
Cons
- Tall 267mm height requires significant vertical clearance
- Five-speed pump adjustment uses stepped levels rather than continuous PWM curves
Good fit if
- You want addressable lighting integrated into your loop and synced with Razer Chroma or Alexa.
- You need a high-capacity 400ml reservoir with a powerful 1135 L/h D5 pump.
- You plan to mount your reservoir combo directly to a fan using included brackets.
Skip if
- You have a compact chassis that cannot clear its 267mm height.
- You require an all-in-one closed-loop CPU cooler rather than custom loop components.
Verdict: Thermaltake Pacific PR32-D5 Plus 400ml Pump Reservoir provides high 1135 L/h throughput and flexible port orientation for builds emphasizing addressable illumination. Its 267mm total height makes it strictly suited for full-size or open cases.
Alphacool NexXxoS Dual-Flow 360mm Radiator
Best for: Dual-loop routing in one 360mm radiator mount
- Material
- Copper
- Dimensions
- 16.3 × 4.92 × 1.77 inches
- Weight
- 3.2 pounds
View on Amazon: Alphacool NexXxoS Dual-Flow 360mm Radiator (paid link)
This 360mm full copper radiator measures 45mm thick and features a dual-flow internal layout developed for servers. You can run two separate liquid cooling loops through the single radiator frame or split the cooling surface for one loop. The unit includes 12 G1/4-inch threaded ports and mounts up to six 120mm fans in a double-sided setup. It suits you if you need independent fluid paths within one radiator mount.
Pros
- Dual-flow design allows two separate loops in one radiator
- 12 G1/4-inch connection threads for flexible routing
- Full copper material construction
- Supports up to six 120mm fans double-sided
Cons
- 45mm thickness requires more enclosure clearance than slim models
- Requires separate purchase of pump, tubing, and fans
Good fit if
- You need to run two isolated cooling loops through a single radiator.
- You require extensive G1/4-inch port options for server or custom routing.
Skip if
- You want a closed-loop pre-filled cooler with pump and fans included.
- You have less than 45mm of vertical or front radiator clearance.
Verdict: Alphacool NexXxoS XT45 360mm Dual-Flow Copper Radiator delivers server-grade multi-loop capability and 12 connection ports in a 45mm-thick copper chassis. It provides the exact layout needed to split circuits or isolate hardware within a standard 360mm mounting footprint.
Specifications side by side
| Spec | Alphacool NexXxos UT60 480mm Copper Radiator | Alphacool NexXxoS XT45 Copper 560mm Radiator | Alphacool NexXxoS Monsta 240mm Radiator | Alphacool NexXxos UT60 420mm White Radiator | Alphacool NexXxos UT60 X-Flow 360mm Radiator | Alphacool NexXxoS UT60 80mm Quad Radiator | Alphacool NexXxoS XT45 400mm Copper Radiator | Bykski Sapphire RX 5700 XT Nitro+ GPU Water Block | ARCTIC Liquid Freezer II 420 AIO Cooler | Thermaltake Pacific PR32-D5 Plus Pump Reservoir | Alphacool NexXxoS Dual-Flow 360mm Radiator |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Radiator Size | 480mm | 560mm | 240mm | 420mm | 360mm | not specified | 400mm | not specified | 420 | not specified | not specified |
| Socket Compatibility | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | LGA1700 | not specified | not specified |
| Fan Speed | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | 200-1700 RPM | not specified | not specified |
| Lighting | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | RGB | not specified |
| Material | Copper | Copper | not specified | Copper | Copper | Copper | Copper | not specified | not specified | not specified | Copper |
| Pump Compatibility | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | D5 | not specified |
| Size | 480mm | 560mm | 240Mm | 420mm | 360Mm | 80mm | 400mm | not specified | 420 | 400ml | not specified |
| Dimensions | 20.5 × 4.88 × 2.36 inches | 5.67 × 23.9 × 1.77 inches | 9.45 × 4.72 × 3.94 inches | 20.9 × 6.3 × 2.76 inches | 18.1 × 5.51 × 2.76 inches | 14.4 × 2.36 × 3.15 inches | 17.3 × 7.87 × 1.89 inches | 11.8 × 7.11 × 2.05 inches | 18.6 × 6.11 × 6.7 inches | 13.3 × 5 × 4.25 inches | 16.3 × 4.92 × 1.77 inches |
| Weight | 1.76 pounds | 2.2 pounds | 1.75 kilograms | 2.2 pounds | 3.17 pounds | 1.05 kilograms | 4.2 pounds | 5 pounds | 4.37 pounds | 1 pounds | 3.2 pounds |
| Model | 14175 | 14185 | 14181 | 14208 | 1011666 | 14297 | 14350 | not specified | ACFRE00092A | CL-W280-PL00SW-A | 14389 |
| Color | not specified | not specified | not specified | White | not specified | Black | not specified | not specified | black | not specified | Black |
Hardware Trade-Offs to Consider Under $200
Cooling hardware Under $200 mostly provides individual custom loop components rather than complete turnkey setups. While copper material construction remains standard across radiators, integrated features stay limited. Only one listed product includes RGB lighting. Onboard digital display options do not appear on any unit. Socket compatibility covers only LGA 1700 on a single preassembled cooler. Most options require you to source compatible D5 pumps, separate blocks, and custom tubing to finish a loop.
- Socket compatibility restricted to LGA 1700 on preassembled hardware
- RGB lighting absent on all radiators and all-in-one units
- Onboard display screens omitted across all product specifications
- Pump compatibility limited to standalone D5 configurations
If you balance PC builds with kitchen hardware, you can review motor power ratings for a blender under 200 across similar specification tables.
How We Evaluated Each Cooler
You find cooling hardware selected from Amazon listings categorized as Under $200 for 2026. We evaluate each option using published specifications and technical details from manufacturer listings. Products are not physically handled. To keep this guide of 11 options straightforward to compare, you see only one size or variant from each product family. Products in stock appear first.
Specifications like radiator dimensions, port layouts, and materials show you what fits your chassis and loop requirements. Listing information refreshes at least daily. Products move into or out of this guide whenever their status shifts relative to the Under $200 range.
Choosing Liquid Cooling Hardware by Spec
-
Core Material Construction
When building or expanding a loop, verify the core material specified on the component listing. Pure copper cores provide high thermal heat dissipation across cooling fins and channels. Mixing metals can cause issues in custom setups, so you must confirm your components align. The Alphacool NexXxos UT60 480mm Copper Radiator lists an all-copper construction for this reason. Check the material specification field before buying to ensure you match metals accurately across your cooling loop fittings, blocks, and radiators.
-
Processor Socket Compatibility
If you choose a complete all-in-one unit, examine the supported processor sockets on the spec sheet. Ready-to-mount coolers require exact bracket alignment to seat firmly over your processor heat spreader. For example, the ARCTIC Liquid Freezer II 420 AIO Cooler specifies LGA 1700 compatibility right on its listing. Without the proper socket hardware, you cannot mount the pump block properly to the motherboard. Check whether your motherboard socket matches the listed socket specifications to avoid mounting failures during your installation.
-
Pump Standard and Reservoir Specs
For standalone reservoir assemblies, review both pump format compatibility and fluid flow specifications. Standard motor platforms determine how liquid circulates through your tubing, blocks, and radiators. The Thermaltake Pacific PR32-D5 Plus Pump Reservoir specifies D5 pump compatibility alongside an 1135 L/h throughput and a 400ml fluid capacity. If you run multiple heat blocks or dense radiator passes, you need strong throughput to maintain loop circulation. Check the height and pump standard specifications to ensure the unit fits inside your chassis and powers your loop.
-
Connection Port Quantity
Look closely at the connection port counts when planning your liquid cooling tube runs. Extra ports give you alternative routing angles, fill ports, or drain locations. Some models provide multi-circuit connectivity to split hardware loops across one radiator mount. For instance, the Alphacool NexXxoS Dual-Flow 360mm Radiator includes 12 connection ports to accommodate dual-flow routing. If you have tight bends or complex tubing layouts, choosing a radiator with multiple G1/4-inch ports reduces the need for adapter fittings and streamlines liquid maintenance when draining your system.
-
Radiator Fan Size Matching
Examine the radiator fan format before choosing your mounting location. Most consumer radiators use 120mm or 140mm fan spacing, but specialized units require non-standard fan diameters. The Alphacool NexXxoS XT45 400mm Copper Radiator is engineered for dual 200mm fan mounts, requiring a chassis wide enough for 7.87-inch components. Smaller enterprise options require 80mm fans instead. Always compare the fan spacing and radiator width specifications against your case fan rails to ensure the screw holes align without blocking nearby motherboard components or case panels.
-
Radiator Thickness and Depth
Always verify the listed radiator thickness against your enclosure clearance, especially around your RAM and power connectors. Radiator profiles range from slim 45mm frames to extreme depths. For example, the Alphacool NexXxoS Monsta 240mm Radiator features a 3.94-inch profile and weighs 1.75 kilograms. When you install standard cooling fans, total assembly depth increases significantly. Check your chassis specifications for top and front clearance depths before buying. A short 240mm radiator can still conflict with motherboard heatsinks if the radiator height exceeds your case clearance margins.
Frequently asked questions
What is the difference between an AIO cooler and custom loop parts?
An AIO cooler arrives as a sealed unit ready to mount, while custom loop parts require individual assembly. The ARCTIC Liquid Freezer II 420 provides an integrated pump, radiator, and tubing for CPU installation on LGA 1700 sockets. In contrast, modular components like the Alphacool NexXxos UT60 480mm require separate fittings, tubing, and coolant routing before operation.
How much case clearance do you need for a 420mm radiator?
You need at least 18.6 to 20.9 inches of lengthwise clearance and substantial depth inside your case. The ARCTIC Liquid Freezer II 420 measures 18.6 inches long and 6.7 inches high. If you choose a custom part like the Alphacool NexXxos UT60 420mm, its length reaches 20.9 inches with a 60mm profile, requiring space for triple 140mm fans.
Can you run two separate cooling loops through one 360mm radiator?
Yes, you can run two separate circuits using a dedicated multi-loop radiator. The Alphacool NexXxoS Dual-Flow 360mm features a 45mm-thick copper chassis engineered with 12 connection ports. This design lets you isolate hardware or split fluid loops within a single 360mm mounting footprint, which measures 16.3 inches long and 4.92 inches wide in total.
What size fans fit on a 400mm liquid cooling radiator?
A 400mm radiator is designed specifically to mount dual 200mm cooling fans. The Alphacool NexXxoS XT45 400mm Copper Radiator uses this configuration across its 17.3-inch length and 7.87-inch width. It also includes seven G1/4-inch ports to provide versatile routing paths inside large chassis that support 200mm fan brackets.
Can you install custom liquid cooling inside a 2U server rack?
Yes, you can use specialized low-profile radiators designed specifically for rackmount dimensions. The Alphacool NexXxoS UT60 80mm Quad Radiator fits 2U server racks with its 3.15-inch height and 2.36-inch width. Its 14.4-inch copper frame accommodates up to eight 80mm fans across a 60mm thickness to cool dense server hardware effectively.
What flow rate should you expect from a D5 pump reservoir combo?
A standard D5 pump reservoir combo can deliver flow rates exceeding 1100 liters per hour. The Thermaltake Pacific PR32-D5 Plus provides a throughput rating of 1135 L/h with its 400ml reservoir capacity. You need a full-size or open chassis to fit its 267mm height, 5-inch width, and integrated addressable RGB lighting.
How thick is a high-clearance 240mm radiator?
Deep-profile 240mm radiators can reach nearly 4 inches in thickness without fans attached. The Alphacool NexXxoS Monsta 240mm features a 3.94-inch height and weighs 1.75 kilograms. Its frame measures 9.45 inches long and 4.72 inches wide, requiring significant internal case depth compared to standard thin radiators before you attach cooling fans.