The Greatest AIO Coolers for 2021


For many years, PC lovers have been trying to liquid cooling to maximise efficiency whereas minimizing noise. The reason being easy: Liquid can sometimes transfer warmth away from the CPU quicker than air, requiring much less work from the followers, which generates much less noise. Like all fanatic method, although, liquid cooling had a excessive barrier to entry for years, with varied elements and the omnipresent danger of leaking. That danger continues to be current, however all-in-one (AIO) liquid coolers can ease newcomers alongside. In the event you don’t need to store for fittings or bend hardline tubing your self, one of the best AIO coolers could make putting in a water-cooling loop far simpler.

Earlier than diving in, it’s price mentioning that every one these coolers can be found in varied sizes. We cut up up our picks into totally different sizes, however to present you just a few extra choices, we didn’t repeat the identical cooler in a distinct dimension. In the event you’re eyeing the Arctic Liquid Freezer II 360, for instance, the 240mm variant continues to be an possibility. It’s priced fairly for the being one of the best AIO cooler.

The very best 360mm AIO: Arctic Liquid Freezer II 360

Socket compatibility Intel: LGA1151, LGA1150, LGA1555, LGA1156, LGA2011-3, LGA2066
Dimensions (size by width by top) 398mm by 120mm by 38mm
Included followers Three Arctic 120mm followers
Fan pace 200 to 1,800 RPM

In relation to uncooked thermal efficiency, the Arctic Liquid Freezer II is one of the best AIO cooler available on the market. It reaches an identical efficiency to competing coolers at NZXT and Corsair whereas being very cheap. The 360mm possibility is just $125, whereas the NZXT Kraken X73 — one other 360mm AIO — clocks in at almost $200. The worth is much more spectacular when you think about the cooler’s options. Particularly, the pump is managed by PWM, permitting it to modulate with the workload somewhat than run at full pace on a regular basis.

The Liquid Freezer II additionally features a 40mm fan subsequent to the pump, set to sit down over your motherboard’s VRM chips. In additional excessive overclocking classes, this will enhance stability.

This cooler is all about efficiency and worth. It will get these two bits proper, however not with out some concessions. It doesn’t function any type of lighting, and the design is probably not to everybody’s tastes.

Nonetheless, the Arctic Liquid Freezer II hits a candy spot that different coolers can’t compete with. Socket assist is slightly restricted, however the Liquid Freezer nonetheless helps most up-to-date chips. On AMD, it helps AM4 CPUs, and on Intel, it helps all LGA115x sockets, in addition to 2011-3 and 2066 with a sq. Impartial Loading Mechanism (ILM).

The very best 240mm AIO: NZXT Kraken X53

nzxt kraken x53 all in one liquid cooler
Socket compatibility Intel: LGA1200, LGA1151, LGA1150, LGA1155, LGA1156, LGA1366, LGA2011, LGA2011-3, LGA2066
AMD: AM4, TR4, sTRX4
Radiator dimensions (size by width by top) 230mm by 123mm by 30mm
Included followers Two Aer P120 120mm followers
Fan pace  500 to 2,000 RPM

Though considerably costlier than the Liquid Freezer II, NZXT’s third era of Kraken X coolers are price their asking worth. The design is rather more interesting than Arctic’s providing whereas reaching related ranges of thermal efficiency. For appears to be like, the Kraken X’s infinity mirror pump cap is a showstopper. It bounces mild round contained in the cap to create the phantasm of infinite LED rings. Like almost all NZXT merchandise, the Kraken X53 is totally built-in with CAM, permitting you to observe temperatures and tweak your lighting settings. Over the X52, the X53 additionally features a NZXT Hue 2 connection on the pump, providing energy for as much as six Hue 2 equipment.

Unsurprisingly, socket assist is superb, with assist for TR4 and AM4 on AMD, and LGA115X, 20XX, and 1200 on Intel. NZXT charges the Kraken X53 for six years of steady use — 60,000 hours, technically — which is round what we’d count on for many AIO coolers. NZXT presents a six-year guarantee, although, so that you’re coated from any defects for the rated lifetime of the cooler.

The very best 120mm AIO: Corsair H80i v2

Socket compatibility Intel: LGA1200, LGA1150, LGA1151, LGA1155, LGA1156, LGA1366, LGA2011, LGA2066
AMD: AM4 (requires CW-8960046 bracket), AM3, AM2
Radiator dimensions (size by width by top) 154mm by 123mm by 49mm
Included followers Two Corsair SP120L 120mm followers
Fan pace 2,435 RPM

Discovering an honest 120mm AIO cooler is hard. With out correct floor space on the radiator, most 120mm coolers simply aren’t as much as snuff in relation to cooling energy. The Corsair H80i v2 solves that drawback. The radiator is twice as thick, clocking in at 49mm in comparison with the usual 25mm. The H80i v2 doesn’t match the cooling efficiency of a 240mm radiator, but it surely will get lots nearer than a typical 120mm one. To get by means of the additional thick radiator, Corsair contains two SP120L PWM followers, so it’s straightforward to arrange a push-pull configuration, however you’ll have to issue within the additional thickness of such a configuration when mounting.

As for assist, the Corsair H80i v2 comes with Intel mounting {hardware} for socket 1366 as much as LGA1200 (Intel’s redesign of LGA1151, designed for Comet Lake CPUs). Mainly, you probably have an Intel processor launched after 2008, you’re effective. AMD assist is slightly sparser. The cooler technically helps AM2 as much as AM4, however the field solely ships with mounting {hardware} for as much as AM3. You’ll want a separate AM4 bracket. Fortunately, Corsair sells them for only some {dollars}. There’s no RGB on this one, both, although you may management fan pace and monitor temperatures by means of Corsair’s iCue software program.

The very best price range AIO: Cooler Grasp MasterLiquid ML240L v2

cooler master masterliquid ml240l v2 all in one liquid cpu cooler
Socket compatibility Intel: LGA1200, LGA1151, LGA1150, LGA1155, LGA1156, LGA2066, LGA2011-3, LGA2011
AMD: Am4, Am3+, AM3, AM2+, AM2, FM2+, FM2, FM1
Dimensions (size by width by top) 157mm by 119.6mm by 27.2mm
Included followers Two Sickleflow 120RGB 120mm followers
Fan pace 650 to 1,800 RPM

Cooler Grasp presents a spread of “lite” AIOs, that are mainly earlier iterations of Cooler Grasp’s MasterLiquid line with elevated socket assist and double FEP tubing. At round $80, it’s exhausting to complain in regards to the ML240L v2. It comes with a 240mm radiator, two RGB followers, and a small RGB controller. Thermal efficiency isn’t nice, and the noise degree is larger than some extra expensive choices. Nevertheless, the ML240L clocks in round $50 cheaper than most competing 240mm AIOs. Plus, you may at all times swap the followers out later for extra lighting choices and barely higher noise ranges.

The Cooler Grasp ML240L comes with almost common socket assist, too. On Intel, it helps LGA1200, LGA20xx, LGA115x, and LGA1366, and on AMD, it helps AM2 to AM4, in addition to FM2 and FM1. For the worth, it’s exhausting to beat the ML240L. In the event you can spend slightly extra money, although, you must. There are numerous potential failure factors in an AIO cooler, and cheaper coolers typically run the next danger.

The very best RGB AIO: EK-AIO 240 D-RGB

EK-AIO 240 D-RGB all in one liquid cpu cooler
Socket compatibility Intel: LGA1200, LGA1150, LGA1151, LGA1155, LGA1156, LGA2011, LGA2011-3, LGA2066
Dimensions (size by width by top) 275mm by 120mm by 27mm
Included followers Two EK-Vardar S 120ER D-RGB 120mm followers
Fan pace 550 to 2,200 RPM

There are numerous AIOs with an RGB ring across the pump and much more with RGB followers. The EK-AIO 240 D-RGB goes off the deep finish. Wanting a small black strip the place the tubes join, the mounting block has a translucent, barely subtle floor, washing out the lights inside into a gorgeous show of colour. EK is the place for customized water cooling, and the EK-AIO 240 reveals why. In relation to uncooked thermal efficiency, EK beats the Corsairs and NZXTs of the world. It contains two EK-Vardar S followers that run from 550RPM to 2,200RPM and contains assist for Asus Aura Sync, Gigabyte RGB Fusion, MSI Mystic Gentle, and ASRock RGB Sync for the followers and pump.

The EK-AIO 240 is a greater possibility attributable to the truth that it’s cheap. Cheaper than the 240mm counterpart at NZXT, and the identical worth as Corsair’s ever-popular H100i, this can be a strong piece of kit to fulfill your wants. Like numerous the opposite choices on this listing, it’s obtainable in 120mm and 360mm variants, too. On Intel, the EK-AIO 240 helps LGA115x and LGA20xx, in addition to LGA1200. On AMD, it simply contains an AM4 bracket. You’ll be able to management the followers instantly by means of your motherboard, however when you’re brief on spots, you may decide up an EK-Loop Join controller for an additional six PWM connections.

The very best premium AIO: NZXT Kraken Z63

Socket compatibility Intel: LGA1200, LGA1150, LGA1151, LGA1155, LGA1156, LGA2011, LGA2011-3, LGA2066, LGA1366
AMD: AM4, sTRX4, TR4
Dimensions (size by width by top) 275mm by 120mm by 27mm
Included followers Two Aer P120 120mm followers
Fan pace 500 to 2,000 RPM

The NZXT Kraken Z63 is pointless, however that’s the purpose. It’s mainly the Kraken X53, simply with a bigger radiator and a helpful LCD show on the pump. It could appear slightly gimmicky, however the show lets you rapidly see crucial metrics from NZXT’s CAM software program, together with your fan pace and temperature. In the event you don’t need to monitor something, you may throw a GIF on the show for the 2021 equal of placing an motion determine in your PC.

The Z63 comes with a 280mm radiator, however NZXT presents 240mm and 360mm variations, too. Just like the Kraken X53, the Z63 comes with two 140mm Aer P followers, and it helps most fashionable sockets. That features TR4 for Threadripper, although you’ll want to select up a separate Threadripper mounting bracket from NZXT.

A giant a part of the NZXT Kraken Z63‘s excessive worth is the LCD show, however when you’re available in the market for a premium cooler with flare to match, there isn’t a greater possibility.

Continuously requested questions

What must you search for in an AIO cooler?

An important a part of an AIO cooler is the radiator dimension. A bigger radiator presents higher cooling efficiency, however you want to ensure that it might probably match inside your case. In any other case, have a look at the socket assist to ensure you should utilize the cooler along with your motherboard and purchase from a good model.

How dependable are RGB AIO coolers?

Most AIO coolers have a lifespan of six years, no matter if they’ve RGB or not. You’ll be able to count on an AIO cooler from a good model to run for six years with out points, however each cooler is slightly totally different. We suggest trying up particular person AIO cooler critiques to see if others have had points with reliability.

What ought to before you purchase an AIO cooler?

Earlier than shopping for an AIO cooler, you want to know in regards to the dangers it could pose to your PC. Though failures are few and much between, each AIO cooler continues to be placing water dangerously near your valuable PC elements, so there’s at all times a danger that the cooler may leak or fail and injury your components. The truth that AIO coolers are closed makes issues worse as a result of you may’t open the loop to see if there are any issues.

One of the best ways to mitigate danger is to keep watch over your cooler to see if there are any indicators of leaking, and to observe your CPU temperature to see if the pump is failing. So long as you keep watch over each, yow will discover most issues earlier than they do any catastrophic injury.

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