Buying guide · 240 mm radiators

Best 240mm AIO coolers

12 240 mm AIO liquid coolers, ranked by sustained cooling headroom. The Cooler Master Atmos II Stealth 240 ranks first: rated 280 W sustained, it keeps 120 of the 120 processors it can mount in the Excellent band and has 27 W of headroom on the Core i7-13700K (253 W).

How the ranking works: each cooler’s sustained dissipation rating (what it can remove continuously at acceptable noise, not a marketing peak) is set against every CPU’s boost power limit, Intel’s PL2 or AMD’s PPT. Headroom is the difference in watts; 25 W or more is Excellent. Coolers rank by how much of the CPU list they keep Excellent, then by value. The formula and data sources are on the methodology page.

Reviewed by Farrukh Sufyan SarwarHow we estimate temperaturesPrices verified Model v1.2 · data updated

01

Top three overall

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#2 · 240 mm AIO liquid cooler

$89.50as of Nov 2, 05:59 AM UTC · In Stock
Corsair iCUE Link Titan 240 RX RGB product photo(opens Amazon in a new tab)

CorsairiCUE Link Titan 240 RX RGB

240 mm AIO liquid cooler · 52 mm

Excellent fit

27 W of headroom on the Core i7-13700K (253 W), the hungriest chip on this list. Liquid, so no RAM height limit, $89.50 on Amazon; needs a radiator mount in the case.

#3 · 240 mm AIO liquid cooler

$46.90as of Nov 2, 05:59 AM UTC · In Stock
Thermalright Frozen Infinity 240 product photo(opens Amazon in a new tab)

ThermalrightFrozen Infinity 240

240 mm AIO liquid cooler · 52 mm

Acceptable fit

7 W of headroom on the Core i7-13700K (253 W), the hungriest chip on this list. Excellent on 99 of 120, up to the Ryzen 9 7900X. Liquid, so no RAM height limit, $46.90 on Amazon; needs a radiator mount in the case.

Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.

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All 12 ranked

Best 240mm AIO coolers ranked by sustained headroom
#CoolerRatedExcellentThrottle riskHeadroomon Core i7-13700KHandles up toPrice
1Cooler Master Atmos II Stealth 240240 mm AIO liquid cooler · 63 mm280 W120 / 1200+27 WEvery CPU it mounts~$120
2Corsair iCUE Link Titan 240 RX RGB240 mm AIO liquid cooler · 52 mm280 W120 / 1200+27 WEvery CPU it mounts$89.50
3Thermalright Frozen Infinity 240240 mm AIO liquid cooler · 52 mm260 W99 / 1200+7 WRyzen 9 7900X$46.90
4ID-Cooling FX240 Pro240 mm AIO liquid cooler · 52 mm260 W99 / 1200+7 WRyzen 9 7900X$54.99
5Thermalright Frozen Magic 240 ARGB V2240 mm AIO liquid cooler · 52 mm250 W94 / 1200-3 WCore i7-10700$43.90
6Thermalright Frozen Notte 240 ARGB V2240 mm AIO liquid cooler · 52 mm250 W94 / 1200-3 WCore i7-10700$47.19
7Thermalright Aqua Elite 240 V3240 mm AIO liquid cooler · 52 mm250 W94 / 1200-3 WCore i7-10700$44.90
8Corsair Nautilus 240 RS ARGB240 mm AIO liquid cooler · 52 mm260 W99 / 1200+7 WRyzen 9 7900X$83.48
9Cooler Master 240 Core II240 mm AIO liquid cooler · 52 mm250 W94 / 1200-3 WCore i7-10700$53.99
10NZXT Kraken Plus 240240 mm AIO liquid cooler · 52 mm260 W99 / 1200+7 WRyzen 9 7900X$119.99
11MSI MAG CoreLiquid A13 240240 mm AIO liquid cooler · 52 mm250 W94 / 1200-3 WCore i7-10700$64.99
12Lian Li Galahad II Trinity 240240 mm AIO liquid cooler · 52 mm260 W99 / 1200+7 WRyzen 9 7900X~$130

Terms used on this page

AIO liquid cooler
A sealed closed-loop liquid cooler with a pump block and a 120–420 mm radiator. Radiator length determines case compatibility; thickness plus fans determines top-mount clearance above the VRM heatsinks.
Sustained dissipation rating
The continuous heat load, in watts, a cooler can remove at acceptable noise. This site uses realistic sustained figures rather than marketing peak numbers, and models temperature as ambient plus load ÷ rating × a per-load scale.
Thermal headroom
The cooler's sustained dissipation rating minus the CPU's boost power limit, in watts. Positive headroom lets fans run slower and quieter; 25 W or more is rated Excellent here.
TjMax
The maximum junction temperature the maker allows, typically 95–100 °C. AMD lists 90 °C for the Ryzen 7 5800X3D, 89 °C for the 7800X3D and 95 °C for the 9800X3D. At TjMax the CPU throttles clocks to stay in place; it will not overheat, but it will lose performance.