Best 240Mm Aio Liquid Coolers in 2026: 15 Picks Ranked by Specs
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Finding the right 240mm AIO liquid cooler depends on your chassis clearance and build design. To help you choose, this guide ranks 15 options strictly by the specifications published on their product listings.
The Alphacool NexXxos 240mm Full Copper Radiator leads the list because its solid copper core and six G1/4-inch ports provide dependable heat transfer with flexible plumbing routing. Reviewing these dimensions, frame depths, and material builds will help you decide which cooling unit matches your case constraints and hardware requirements.
Quick picks
The best fit for you
- You need versatile port routing in a custom loop Alphacool NexXxos 240mm Full Copper Radiator Six G1/4-inch ports and a copper core give you flexible plumbing choices for standard loop configurations.
- You need an ultra-thin radiator for tight clearance Alphacool NexXxoS ST20 HPE 240mm Copper Radiator Its slim 0.7874-inch profile installs cleanly into compact cases where thicker radiators will not fit.
- You want an all-white cooler with high-speed fans Corsair iCUE H100i 240mm RGB White AIO Its white exterior pairs with 2,200 RPM fans that support a dedicated Zero RPM operating mode.
- You want direct hardware temperature readouts on display Ocypus Iota 240mm AIO with Digital Display It features an integrated digital display alongside dual fans rated for 4.65mmH2O static pressure.
Our 15 picks
Alphacool NexXxos 240mm Full Copper Radiator
Best for: custom loops needing flexible port routing options
- Size
- 240Mm
- Radiator Size
- 240mm
- Material
- Copper
- Dimensions
- 4.88 × 11 × 1.81 inches
- Weight
- 1.32 pounds
View on Amazon: Alphacool NexXxos 240mm Full Copper Radiator (paid link)
The Alphacool NexXxos 240mm Full Copper Radiator is a dual-fan heat exchanger designed for liquid cooling setups. You get an all-copper internal core featuring copper fins, chambers, and channels, paired with a 46mm thickness and six G1/4-inch ports. Its 280 by 124mm footprint fits standard dual 120mm fan mounts. This unit suits you if you need versatile port routing and high copper surface area.
Pros
- Full copper channels, fins, and chambers
- Six G1/4-inch threaded ports for flexible routing
- 46mm thickness provides deep fin surface area
- Durable steel side panels and brass threads
Cons
- 46mm thickness requires more case clearance than slim radiators
- Fans and mounting fittings are not included
Good fit if
- You need multiple G1/4-inch inlet and outlet port configurations.
- You have at least 46mm of clearance plus fan depth in your case.
- You prioritize an all-copper internal channel and fin construction.
Skip if
- You need an all-in-one cooler unit with pre-installed pump and tubing.
- You have a compact case limited to slim 30mm or thinner radiators.
Verdict: Alphacool NexXxos 240mm Full Copper Radiator delivers versatile plumbing options with its six G1/4-inch ports and solid copper core. It serves as a dependable, mid-thickness foundation for custom 240mm liquid cooling loops.
Alphacool NexXxos UT60 240mm Radiator
Best for: thick 240mm custom loop configurations
- Size
- 240Mm
- Radiator Size
- 240mm
- Material
- Copper
- Dimensions
- 4.88 × 10.9 × 2.36 inches
- Weight
- 1.48 kilograms
View on Amazon: Alphacool NexXxos UT60 240mm Radiator (paid link)
This 240mm radiator provides a 60mm profile built for dual 120mm fans. You get copper chambers, copper fins, and copper cooling channels paired with brass threads and steel side panels. Six G1/4-inch ports allow multiple routing options across your custom loop. At 1,484 grams, this heavy unit suits you if your PC chassis has sufficient physical clearance for a deep radiator setup.
Pros
- Six G1/4-inch connection ports
- Full copper channels, fins, and chambers
- Thick 60mm profile for high volume
- Durable steel side panels and brass threads
Cons
- Thick 60mm depth requires substantial chassis clearance
- Heavy 1,484g weight adds significant load to mounts
Good fit if
- You have clearance in your PC case for a 60mm thick radiator.
- You need six G1/4-inch ports for flexible loop routing.
- You want an all-copper core including channels, fins, and chambers.
Skip if
- You have a compact case that cannot fit a 60mm deep radiator.
- You need a lightweight radiator to keep overall build weight low.
Verdict: Alphacool NexXxos 240mm 60mm Copper Radiator delivers massive heat exchange surface and six G1/4-inch ports for custom loops. It is an exceptional pick if your chassis has the clearance to fit its 60mm depth.
Alphacool NexXxoS Monsta 240mm Radiator
Best for: high-clearance custom liquid cooling builds
- Size
- 240Mm
- 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 is a 240mm liquid cooling radiator designed for high-capacity loops. It measures 9.45 inches long, 4.72 inches wide, and 3.94 inches thick. Weighing 1.75 kilograms, this heavy unit provides exceptional internal volume within a dual-fan footprint. If you require maximum radiator thickness for a 240mm mounting position and your case has ample clearance, this component matches your setup.
Pros
- Massive 3.94-inch thickness for expanded volume
- Heavy 1.75-kilogram build provides solid structure
- Compact 9.45-inch length fits standard 240mm dual-fan mounts
- Part of a lineup offering seven sizes from 120mm to 560mm
Cons
- 3.94-inch profile requires extensive internal chassis clearance
- 1.75-kilogram weight demands rigid mounting brackets
Good fit if
- You have at least four inches of clearance for the radiator alone.
- You want a heavy-duty 1.75-kilogram copper-class radiator.
Skip if
- You build inside a compact case with tight motherboard clearance.
- You need a lightweight radiator to minimize chassis load.
Verdict: Alphacool NexXxoS Monsta 240mm Radiator maximizes thermal capacity with its 3.94-inch depth and 1.75-kilogram construction. It is an uncompromising hardware choice for roomy chassis setups.
Alphacool NexXxos ST30 240mm Copper Radiator
Best for: slim custom loops needing all-copper channels
- Size
- 240Mm
- Radiator Size
- 240mm
- Material
- Copper
- Dimensions
- 4.88 × 10.9 × 1.18 inches
- Weight
- 1.49 pounds
View on Amazon: Alphacool NexXxos ST30 240mm Copper Radiator (paid link)
This is a 240mm standalone liquid cooling radiator for custom loops. It features a 30mm thickness with full copper fins, chambers, and channels, paired with steel side panels and brass threads. Two standard G1/4-inch ports accommodate your fittings. At 278mm long and 731g, it suits you if you need a slim dual-fan copper radiator for compact case layouts.
Pros
- Copper construction across fins, chambers, and channels
- Slim 30mm profile for tight case clearances
- Standard dual G1/4-inch threaded ports
- Steel side panels with brass thread reinforcement
Cons
- Offers only two G1/4-inch connection ports
- Provides less cooling volume than thicker 45mm or 60mm models
Good fit if
- You need a slim 30mm profile to clear motherboard or RAM obstructions.
- You want full copper coolant channels and fins for your custom loop.
- You plan to run a dual 120mm fan setup.
Skip if
- You need multiple port positions for complex tubing routes.
- You have adequate clearance for thicker radiators to increase thermal capacity.
Verdict: Alphacool NexXxos ST30 240mm Copper Radiator delivers all-copper fluid pathways inside a slim 30mm frame. It fits your build when space limitations rule out deeper radiators.
Alphacool NexXxos XT45 X-Flow 240mm Copper Radiator
Best for: custom loops needing flexible cross-flow routing
- Size
- 240Mm
- Radiator Size
- 240mm
- Material
- Copper
- Dimensions
- 11.5 × 4.88 × 1.77 inches
- Weight
- 1.03 kilograms
View on Amazon: Alphacool NexXxos XT45 X-Flow 240mm Copper Radiator (paid link)
This 240mm radiator features an X-Flow design with copper channels, fins, and chambers. It measures 293 x 124 x 45mm and weighs 783g. Six G1/4 inch threaded ports allow multiple inlet and outlet configurations. Steel side panels enclose the core. It suits you if you build a custom loop needing end-to-end fluid flow across dual 120mm fan mounts.
Pros
- Six G1/4" threaded connection ports
- Copper cooling fins, channels, and chambers
- Solid steel side panels with brass threads
- 45mm thickness for dual 120mm fan configurations
Cons
- 45mm thickness requires more clearance than standard 30mm radiators
- Extended 293mm overall length due to end-tank design
Good fit if
- You need six G1/4" ports for flexible loop routing options.
- You want a 45mm thick copper core radiator for dual 120mm fans.
- You have 293mm of clearance for an X-Flow layout.
Skip if
- You need a slim 25mm or 30mm radiator for tight case spaces.
- You want a complete pre-assembled cooler that includes fans and pump.
Verdict: Alphacool NexXxos XT45 X-Flow 240mm Copper Radiator delivers 45mm copper core construction with six G1/4" ports. It provides flexible routing options for dual-fan custom loops with sufficient frame clearance.
Alphacool NexXxoS ST25 240mm Copper Radiator
Best for: custom loops requiring pure copper construction
- Size
- 240Mm
- Radiator Size
- 240mm
- Material
- Copper
- Dimensions
- 2.36 × 4.72 × 4.72 inches
- Weight
- 1.75 pounds
View on Amazon: Alphacool NexXxoS ST25 240mm Copper Radiator (paid link)
The Alphacool NexXxoS ST25 Full Copper 240mm Radiator is a compact heat exchanger built for custom liquid loops. You get an all-copper build featuring copper cooling fins, water channels, and end chambers. Measuring 4.72 inches wide and weighing 1.75 pounds, it fits standard dual-fan mounts. This unit suits you if you want full-copper construction inside a 240mm black radiator housing.
Pros
- Full copper construction across cooling fins, channels, and end chambers
- Standard 240mm size fits dual 120mm mounts
- Lightweight at 1.75 pounds
- Finished in standard black
Cons
- Standalone radiator lacking pump, tubing, and fans
- Available only in black
Good fit if
- You want full copper fins, channels, and chambers
- You need a 240mm radiator weighing under two pounds
- You are assembling a custom loop rather than a closed-loop cooler
Skip if
- You need an all-in-one cooler with an integrated pump and tubing
- You need included cooling fans in the box
Verdict: Alphacool NexXxoS ST25 Full Copper 240mm Radiator provides an entirely copper fluid pathway and fin array for custom cooling loops. Its 1.75-pound weight and 240mm footprint offer reliable thermal transfer without excess bulk.
Clyxgs 240mm Aluminum Radiator with Fan
Best for: budget custom loops requiring an included fan
- Size
- 240Mm
- Radiator Size
- 240mm
- Dimensions
- 10.8 × 4.72 × 2.28 inches
- Weight
- 1.65 pounds
View on Amazon: Clyxgs 240mm Aluminum Radiator with Fan (paid link)
The Clyxgs 240mm Aluminum Radiator with Fan is a dual-fan-length heat exchanger designed for custom liquid cooling setups. It features a 12-pipe pure aluminum core, measuring 275 mm long and 58 mm thick with its bundled 12V high-speed fan installed. You get a protective black oxidation finish across the fins. This unit suits you if you are building an entry-level CPU or VGA cooling loop and need an integrated fan solution.
Pros
- Equipped with a bundled 12V high-speed cooling fan
- 12-pipe pure aluminum heat exchanger construction
- Black oxidation paint designed to assist thermal efficiency
- Versatile mounting for CPU, VGA, or industrial cooling applications
Cons
- Uses aluminum construction rather than copper
- Measures 58 mm (2.28 inches) thick with fan installed
- Standalone radiator unit lacks an integrated pump or tubing
Good fit if
- You want a 240mm radiator that includes a matching 12V fan assembly.
- You have at least 58 mm of clearance inside your case for the radiator and fan.
- You are assembling a custom loop for CPU or VGA cooling.
Skip if
- You require an all-in-one cooler with an attached pump block and tubing.
- You need an all-copper cooling loop to prevent galvanic corrosion.
- You have a compact PC case with limited radiator mounting depth.
Verdict: Clyxgs 240mm Aluminum Radiator with Fan delivers a 12-pipe cooling core complete with a pre-configured 12V fan. It provides a direct solution for custom liquid cooling builds that have clearance for its 58 mm total height.
Corsair iCUE H100i 240mm RGB White AIO
Best for: white builds needing high maximum fan speeds
- Size
- 240Mm
- Radiator Size
- 240mm
- Fan Speed
- 2,200 RPM
- Lighting Type
- RGB
- Dimensions
- 4.72 × 1.06 × 10.9 inches
- Weight
- 1.83 pounds
View on Amazon: Corsair iCUE H100i 240mm RGB White AIO (paid link)
The Corsair iCUE H100i RGB Pro XT is a 240mm all-in-one liquid cooler with an aluminum radiator and a white finish. It includes two 120mm PWM fans that spin from 360 to 2,200 RPM, pushing up to 63 CFM of airflow at up to 36.0 decibels. You also get a Zero RPM mode for silent operation at low temperatures. It suits you if you need a dual-fan white cooler.
Pros
- Dual 120mm PWM fans run from 360 to 2,200 RPM
- Zero RPM mode stops fans completely at low temperatures
- Delivers up to 63 CFM of airflow
- 16 individually addressable RGB LEDs on the pump head
Cons
- Reaches 36.0 decibels at top fan speed
- Aluminum radiator instead of copper
Good fit if
- You want an all-white 240mm liquid cooler
- You want fans that can shut off completely under light loads
- You want high-RPM fans capable of reaching 2,200 RPM
Skip if
- You prefer a full copper radiator
- You need a setup that remains quieter than 36.0 decibels under full load
Verdict: Corsair iCUE H100i RGB 240mm White AIO pairs a 2,200 RPM fan setup with a Zero RPM mode in an all-white aluminum package.
Corsair Hydro X Series XR5 240mm Copper Radiator
Best for: custom liquid loops needing slim clearance
- Size
- 240Mm
- Radiator Size
- 240mm
- Material
- Copper
- Dimensions
- 11 × 4.72 × 1.18 inches
- Weight
- 1.72 pounds
View on Amazon: Corsair Hydro X Series XR5 240mm Copper Radiator (paid link)
The Corsair Hydro X Series XR5 240mm Copper Radiator is a standalone heat exchanger built for custom liquid cooling loops. It features a copper core with 25-micron cooling fins and a 30mm profile height to fit standard dual-fan mounts. You get integrated screw guides and dual-sided 120mm fan mounts. This unit suits you if you are planning a custom cooling loop with standard clearance.
Pros
- Copper core with 25-micron cooling fins
- Slim 30mm (1.18-inch) thickness fits standard cases
- Dual 120mm fan mounts supported on both sides
- Integrated fan screw guides assist installation
Cons
- Fans not included in the package
- Requires separate pump, reservoir, and tubing
Good fit if
- You are assembling a custom copper liquid cooling loop.
- You need a 30mm thickness to clear case constraints.
- You want dual-sided mounting options for 120mm fans.
Skip if
- You need an all-in-one cooler with an included pump and tubing.
- You want pre-packaged fans out of the box.
Verdict: Corsair Hydro X Series XR5 240mm Copper Radiator delivers a slim 30mm copper core with dual-sided fan mounts for custom cooling configurations. It offers precise screw guides and thin cooling fins for compact loop designs.
DIYhz 240mm 12-Pipe Aluminum Radiator
Best for: custom dual-fan aluminum liquid loops
- Size
- 240Mm
- Radiator Size
- 240mm
- Dimensions
- 10.8 × 4.72 × 1.18 inches
View on Amazon: DIYhz 240mm 12-Pipe Aluminum Radiator (paid link)
This DIYhz unit is a 240mm aluminum heat exchanger built with 12 tubes and a 30mm profile thickness. Measuring 275mm long by 120mm wide, it mounts dual 120mm fans rated for DC12V. The pure aluminum fins feature black oxidation paint for thermal efficiency. You will find this fits custom open loops cooling desktop CPUs or industrial equipment.
Pros
- 12-tube pure aluminum heat exchanger
- Compact 30mm profile height and 690g weight
- Configured with dual 120mm DC12V fans
- Black oxidation paint coating
Cons
- Aluminum build requires careful loop matching
- Requires separate pump, tubing, and CPU block
Good fit if
- You want a 30mm thick 240mm radiator that includes dual 120mm fans.
- You are assembling an aluminum-compatible custom cooling setup.
Skip if
- You want an all-in-one cooler with an integrated pump and closed tubing.
- You run a full copper liquid cooling loop.
Verdict: DIYhz 240mm 12-Pipe Aluminum Radiator provides a 30mm thick heat exchanger with 12 cooling tubes and dual 120mm fan support. It serves custom liquid loops that utilize aluminum components.
Clyxgs 240mm Aluminum Radiator with Fan
Best for: aluminum-based custom loops needing an included fan
- Size
- 240Mm
- Radiator Size
- 240mm
- Dimensions
- 10.8 × 4.72 × 2.28 inches
- Weight
- 1.1 pounds
View on Amazon: Clyxgs 240mm Aluminum Radiator with Fan (paid link)
The Clyxgs 240mm Aluminum Radiator with Fan is a 12-pipe heat exchanger built for custom cooling setups. Measuring 10.83 inches long and 2.28 inches thick with its included 12V high-speed fan, it features pure aluminum fins finished in black oxidation paint. It suits you if you need a pre-fanned 240mm aluminum radiator for a PC CPU, VGA loop, or specialized industrial equipment.
Pros
- Includes pre-configured 12V high-speed fan
- 12-pipe core with pure aluminum heat dissipation fins
- Black oxidation paint finish to increase thermal efficiency
- Lightweight construction at approximately 1.10 pounds
Cons
- Aluminum construction is incompatible with mixed copper loops
- Total thickness of 2.28 inches requires extra clearance in compact cases
Good fit if
- You need an all-aluminum 240mm heat exchanger with an included fan.
- You have at least 2.28 inches of chassis clearance for the assembly.
Skip if
- You run a liquid cooling system that uses copper components.
- You need an all-in-one cooler with an integrated CPU pump block.
Verdict: Clyxgs 240mm Aluminum Radiator with Fan provides a 12-pipe aluminum core paired with a pre-mounted 12V fan for straightforward liquid cooling loops. It delivers practical heat exchange for projects designed around aluminum parts.
Clyxgs 240mm 12-Pipe Aluminum Radiator
Best for: slim all-aluminum custom liquid cooling loops
- Size
- 240Mm
- Radiator Size
- 240mm
- Dimensions
- 10.8 × 9.45 × 1.06 inches
- Weight
- 10.6 ounces
View on Amazon: Clyxgs 240mm 12-Pipe Aluminum Radiator (paid link)
This 240mm aluminum radiator from Clyxgs gives you a 27mm slim profile for tight installations. It features 12 tubes, pure aluminum fins, and standard G1/4-inch threaded ports designed to fit 120mm fans. Coated with black oxidation paint, it serves custom liquid cooling setups across PC CPUs, VGAs, and industrial hardware. You get a lightweight 0.66-pound heat exchanger built strictly for standard modular cooling loops.
Pros
- Standard G1/4-inch threaded fitting ports
- Slim 27 mm thickness for tight clearances
- 12-tube core with pure aluminum heat-dissipation fins
- Lightweight design weighing 0.66 pounds
Cons
- Aluminum core is incompatible with mixed copper loops
- Does not include fans, mounting hardware, or fittings
Good fit if
- You need a slim 27mm radiator designed for 120mm fans.
- You are building an all-aluminum cooling loop using standard G1/4 fittings.
Skip if
- You use copper blocks or copper radiators in your loop.
- You want an all-in-one solution with an integrated pump and included fans.
Verdict: Clyxgs 240mm 12-Pipe Aluminum Radiator provides a 27mm slim profile and 12 internal tubes for custom loops using G1/4-inch fittings. It delivers straightforward heat dissipation for all-aluminum setups without taking up excess chassis space.
Ocypus Iota 240mm AIO with Digital Display
Best for: builders wanting integrated real-time temperature readouts
- Size
- 240Mm
- Radiator Size
- 240mm
- Socket Compatibility
- LGA 115X/1200/1700/1851, AM4/AM5
- Fan Speed
- 500~2000±10% RPM
- Lighting Type
- ARGB
- Dimensions
- 15.2 × 6.3 × 7.48 inches
View on Amazon: Ocypus Iota 240mm AIO with Digital Display (paid link)
The Ocypus Iota 240mm AIO with Digital Display is an all-in-one liquid cooler built with an aluminum radiator and dual 120mm fluid dynamic bearing fans. You get a pump cap with a real-time digital temperature readout for CPU or GPU metrics up to 199°F. With fan speeds up to 2000 RPM, 4.65 mmH2O air pressure, and socket support spanning Intel LGA 1851 alongside AMD AM5, this unit suits builds needing integrated hardware telemetry.
Pros
- Integrated digital display shows real-time CPU or GPU temperatures
- High static pressure fans rated up to 4.65mmH2O
- Fluid dynamic bearing fans operate at 29 dB(A) or lower
- Supports Intel LGA 1851/1700 and AMD AM5/AM4 sockets
Cons
- Requires proprietary software running to switch readout temperature units
- Display readouts stop tracking above 199°F
- Radiator core uses aluminum instead of copper
Good fit if
- You want live pump-head temperature monitoring for your CPU or GPU.
- You need high static pressure fans up to 4.65mmH2O for radiator airflow.
- You run a modern Intel LGA 1851/1700 or AMD AM5/AM4 processor.
Skip if
- You prefer a full copper radiator loop over an aluminum design.
- You want a zero-software hardware telemetry display solution.
Verdict: Ocypus Iota 240mm AIO with Digital Display pairs strong 4.65mmH2O static pressure with a direct real-time readout for core hardware metrics. It delivers focused 240mm liquid cooling performance without requiring complex custom loop components.
greenDracaena 240mm Copper Radiator
Best for: slim 240mm custom loop CPU builds
- Size
- 240Mm
- Radiator Size
- 240mm
- Material
- Copper
- Dimensions
- 3.94 × 98.4 × 3.94 inches
- Weight
- 1.39 pounds
View on Amazon: greenDracaena 240mm Copper Radiator (paid link)
This is a standalone 240mm liquid cooling radiator measuring 240 by 120 by 29 millimeters for custom loops. It features copper fins and cooling tubes paired with brass headers and 14 micro-channels to guide fluid flow. If you plan a custom CPU loop using standard dual G1/4 fittings, this compact 29-millimeter-thick core gives you universal threading without requiring proprietary adapters.
Pros
- Copper fins and tubes paired with brass headers
- Dual standard G1/4 BSP threaded ports
- Slim 29mm profile with 14 micro-channels
- Stainless steel side panel for rigidity
Cons
- Fans are not included
- Requires separate pump, reservoir, and tubing to function
- Warranty coverage is limited to one year
Good fit if
- You are building a custom loop using standard G1/4 fittings.
- You need a slim 29mm copper radiator for dual 120mm mounts.
- You want all-copper fins and tubes rather than aluminum.
Skip if
- You want a pre-assembled all-in-one cooler ready out of the box.
- You need a kit that includes cooling fans and mounting hardware.
Verdict: greenDracaena 240mm Copper Radiator provides a 29mm-thick copper-and-brass core with dual G1/4 ports for DIY liquid cooling setups. It delivers durable materials if you already have fans, tubing, and a pump.
Alphacool NexXxoS ST20 HPE 240mm Copper Radiator
Best for: compact custom loops needing slim copper radiators
- Size
- 240Mm
- Radiator Size
- 240mm
- Material
- Copper
- Dimensions
- 10.6 × 4.72 × 0.79 inches
View on Amazon: Alphacool NexXxoS ST20 HPE 240mm Copper Radiator (paid link)
This standalone 240mm radiator gives you pure copper cooling fins and water channels in an ultra-low profile design. It measures 0.79 inches in height, 4.72 inches in width, and 10.6 inches in length. Its slim frame fits compact computer cases where space above motherboards or near components is tight. You need this unit if you want copper construction for custom liquid loops without taking up excessive clearance.
Pros
- Pure copper cooling fins and water-carrying channels
- Ultra-slim 0.79-inch height profile
- Compact length of 10.6 inches
- Standard dual-fan mounting width of 4.72 inches
Cons
- Does not include integrated fans
- Requires separate pump, reservoir, and tubing to operate
Good fit if
- You build a custom liquid loop requiring an ultra-thin 0.79-inch radiator.
- You need full copper channels and fins for thermal conductivity.
Skip if
- You want an all-in-one cooler pre-assembled with a pump, block, and tubes.
- You prefer an aluminum radiator or thicker core profile.
Verdict: Alphacool NexXxoS 240mm Slim Copper Radiator provides full copper thermal construction inside a remarkably thin 0.79-inch profile. It serves builders needing compact component dimensions for restricted enclosure spaces.
Specifications side by side
| Spec | Alphacool NexXxos 240mm Full Copper Radiator | Alphacool NexXxos UT60 240mm Radiator | Alphacool NexXxoS Monsta 240mm Radiator | Alphacool NexXxos ST30 240mm Copper Radiator | Alphacool NexXxos XT45 X-Flow 240mm Copper Radiator | Alphacool NexXxoS ST25 240mm Copper Radiator | Clyxgs 240mm Aluminum Radiator with Fan | Corsair iCUE H100i 240mm RGB White AIO | Corsair Hydro X Series XR5 240mm Copper Radiator | DIYhz 240mm 12-Pipe Aluminum Radiator | Clyxgs 240mm Aluminum Radiator with Fan | Clyxgs 240mm 12-Pipe Aluminum Radiator | Ocypus Iota 240mm AIO with Digital Display | greenDracaena 240mm Copper Radiator | Alphacool NexXxoS ST20 HPE 240mm Copper Radiator |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Radiator Size | 240mm | 240mm | 240mm | 240mm | 240mm | 240mm | 240mm | 240mm | 240mm | 240mm | 240mm | 240mm | 240mm | 240mm | 240mm |
| 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 | LGA 115X/1200/1700/1851, AM4/AM5 | not specified | not specified |
| Fan Speed | not specified | not specified | not specified | not specified | not specified | not specified | not specified | 2,200 RPM | not specified | not specified | not specified | not specified | 500~2000±10% RPM | not specified | not specified |
| Lighting Type | not specified | not specified | not specified | not specified | not specified | not specified | not specified | RGB | not specified | not specified | not specified | not specified | ARGB | not specified | not specified |
| Material | Copper | Copper | not specified | Copper | Copper | Copper | not specified | not specified | Copper | not specified | not specified | not specified | not specified | Copper | Copper |
| Size | 240Mm | 240Mm | 240Mm | 240Mm | 240Mm | 240Mm | 240Mm | 240Mm | 240Mm | 240Mm | 240Mm | 240Mm | 240Mm | 240Mm | 240Mm |
| Dimensions | 4.88 × 11 × 1.81 inches | 4.88 × 10.9 × 2.36 inches | 9.45 × 4.72 × 3.94 inches | 4.88 × 10.9 × 1.18 inches | 11.5 × 4.88 × 1.77 inches | 2.36 × 4.72 × 4.72 inches | 10.8 × 4.72 × 2.28 inches | 4.72 × 1.06 × 10.9 inches | 11 × 4.72 × 1.18 inches | 10.8 × 4.72 × 1.18 inches | 10.8 × 4.72 × 2.28 inches | 10.8 × 9.45 × 1.06 inches | 15.2 × 6.3 × 7.48 inches | 3.94 × 98.4 × 3.94 inches | 10.6 × 4.72 × 0.79 inches |
| Weight | 1.32 pounds | 1.48 kilograms | 1.75 kilograms | 1.49 pounds | 1.03 kilograms | 1.75 pounds | 1.65 pounds | 1.83 pounds | 1.72 pounds | not specified | 1.1 pounds | 10.6 ounces | not specified | 1.39 pounds | not specified |
| Color | black | not specified | not specified | - Black | not specified | Black | Black | RGB Pump + Fans White | Black | fan-240mm | Black | Black | Iota L24 WH | Black (29mm) | Black |
| Model | 14164 | 14173 | 14181 | 14157 | 14234 | 14250 | 1079 | CW-9060042-WW | CX-9030002-WW | 10463 | 1183 | 1186 | Liquid cooler Iota L24 WH | Osprey-Radiator-240 | 14436 |
Is a 240mm Liquid Cooler Worth It?
A 240mm liquid cooling footprint pairs a dual 120mm fan layout with radiator lengths typically between 9.4 and 11.5 inches. In daily use, this sizing establishes a two-fan surface area for your setup. It accommodates configurations ranging from complete AIO units with 2,200 RPM fans or digital readouts to dedicated 12-pipe custom exchangers. Choosing 240mm standardizes your cooling layout around dual-fan mounts. This format provides structured liquid heat dissipation across dual fan positions.
Worth it if
- You have chassis mounting locations designed specifically for dual 120mm fans.
- You want an all-in-one unit with integrated digital readouts or fans capable of 2,200 RPM.
- You plan a custom cooling loop around a 12-pipe dual-fan heat exchanger.
Skip it if
- You cannot accommodate radiator frame lengths reaching up to 11.5 inches in your case.
- You only have space in your chassis for a single-fan liquid cooler.
If you need synchronized lighting data for your chassis build, you can review specifications for each CPU cooler with ARGB.
How We Picked 240mm Coolers
To build this guide for 2026, we identify every model by checking published titles and feature lists for the 240mm size specification. Only one variant from each product family is included to avoid duplicate entries across the 15 options. We do not physically handle hardware. All listed details come strictly from published manufacturer data.
Products in stock appear first. You can compare key specifications like core material, radiator thickness, width, and port layout directly against your chassis dimensions. This allows you to verify case clearance and tubing space before planning your cooling loop.
How to Choose the Right 240mm Cooler
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Check Bundled Fan Hardware
Decide whether you need an all-in-one package or just the heat exchanger. Bare radiators require you to source your own fans, screws, and mounting hardware. Units like the Clyxgs 240mm Aluminum Radiator with Fan include a pre-configured 12V fan attached directly to the chassis. If you want a quick installation without sourcing separate components, choose hardware that specifies bundled fans in the listing. If you already own specialized 120mm fans, selecting a standalone radiator lets you configure airflow without paying for extra parts.
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Evaluate Fan Speed Controls
Check the maximum fan rotational speed and acoustic control profiles listed in the product specifications. Higher speeds move air effectively through dense fins, but they increase operating volume. The Corsair iCUE H100i 240mm RGB White AIO lists fan speeds reaching up to 2,200 RPM for heavy thermal demands while including a Zero RPM mode for silent idle operation. If your priority is low noise during desktop tasks, verify whether the cooler supports variable fan curves or shutdown modes.
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Assess Integrated Display Readouts
Review pump block features if you want live temperature feedback without running desktop diagnostic utilities. The Ocypus Iota 240mm AIO with Digital Display integrates a real-time readout directly onto the pump housing, showing operational hardware metrics through a clear case window. If you position your PC within your direct line of sight, an integrated screen provides instant status checks during heavy workloads. If your chassis lacks a transparent window, you can bypass display models entirely to simplify internal wiring.
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Verify Port Routing Flexibility
When designing a custom liquid loop, verify the total number and location of threaded ports. Basic heat exchangers include only two connection points, which can force awkward tubing bends in tight chassis layouts. The Alphacool NexXxos 240mm Full Copper Radiator includes six G1/4-inch ports across its end chambers. Multiple ports provide flexible routing angles and give you dedicated positions for drain valves or fill lines. Match the port quantity to your case layout to avoid unnecessary fittings or restrictive tube bends.
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Check Internal Tube Counts
Review the internal core specifications to see how many coolant channels run through the radiator body. The DIYhz 240mm 12-Pipe Aluminum Radiator provides 12 internal tubes across its heat exchange core. A specified tube count gives you a direct look at the liquid distribution channels inside the unit. If you run high-flow coolant pumps, more internal pipes distribute the liquid across a wider surface area. Compare the published tube counts to ensure the core design aligns with your cooling loop plan.
Frequently asked questions
What is the difference between an all-in-one cooler and a standalone radiator?
An all-in-one liquid cooler comes pre-assembled with a pump, cold plate, and tubing ready for immediate mounting. Standalone radiators, such as the Alphacool NexXxos or Corsair Hydro X XR5, require you to supply separate tubing, fittings, and pumps. Ready-to-use units like the Corsair iCUE H100i or Ocypus Iota combine cooling channels into a self-contained loop, whereas custom radiators require planning an entire fluid pathway.
Can you use a 240mm cooler with high static pressure fans?
Yes, pairing high static pressure fans with 240mm units helps push airflow through dense fin channels. For instance, the Ocypus Iota 240mm AIO integrates fans offering up to 4.65mmH2O static pressure to overcome internal resistance. Standalone radiator frames like the DIYhz 240mm also accept dual 120mm fans, allowing you to select fan designs tailored specifically to radiator thickness and fin density.
How fast do fans spin on an all-in-one 240mm cooler?
Fan speeds vary depending on the specific model and active thermal demands. For example, the Corsair iCUE H100i 240mm cooler includes fans capable of reaching speeds up to 2,200 RPM under load. It also includes a Zero RPM mode that stops the fans completely during low-temperature operation. Other models, such as the pre-configured Clyxgs 240mm units, rely on standard fixed-voltage 12V fan setups.
Are 240mm liquid cooling radiators compatible with standard G1/4 fittings?
Many custom 240mm radiators use industry-standard G1/4-inch threaded ports to connect with your tubing and fittings. Models like the Alphacool NexXxos XT45 X-Flow provide six G1/4-inch ports for versatile cross-flow tube runs. Slimmer options like the greenDracaena 240mm and Clyxgs 12-pipe models also integrate dual G1/4 connections. These universal ports allow you to adapt your loop plumbing without requiring proprietary adapter fittings.
How thick can a 240mm radiator get?
Radiator thickness spans a wide spectrum depending on intended cooling capacity. Standard low-profile models measure under 30mm, while high-capacity options reach extreme depths. The Alphacool NexXxos UT60 measures 2.36 inches thick, and the Alphacool NexXxoS Monsta reaches 3.937 inches. You must measure motherboard clearances and fan spacing carefully before selecting thick hardware, as these deep designs demand substantial open room.
How do you monitor liquid cooler performance in real time?
Some modern liquid cooling units feature onboard displays to communicate operating conditions directly. For example, the Ocypus Iota 240mm AIO incorporates an integrated digital screen that provides real-time readouts for core system temperatures. Standard standalone radiators do not include readouts, requiring software utilities or inline temperature sensor fittings to monitor your loop conditions during regular desktop operation.
What tube count do budget 240mm radiators typically feature?
Entry-level 240mm radiators frequently incorporate a 12-pipe core structure to channel liquid coolant. The DIYhz 240mm model and multiple Clyxgs 240mm options utilize this exact 12-pipe configuration across their fin assemblies. These internal tubes guide fluid back and forth beneath two 120mm fans, providing predictable thermal exchange channels for custom liquid cooling loops that balance core dimensions with straightforward plumbing.