The Finest AIO Coolers for 2021


For many years, PC fanatics have been seeking 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 every fanatic approach, although, liquid cooling had a excessive barrier to entry for years, with varied parts and the omnipresent danger of leaking. That danger remains to be current, however all-in-one (AIO) liquid coolers can ease newcomers alongside. In case 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 break up up our picks into completely different sizes, however to present you just a few extra choices, we didn’t repeat the identical cooler in a special measurement. In case you’re eyeing the Arctic Liquid Freezer II 360, for instance, the 240mm variant remains to be an possibility. It’s priced fairly for the being one of the best AIO cooler.

The most effective 360mm AIO: Arctic Liquid Freezer II 360

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

On the subject of uncooked thermal efficiency, the Arctic Liquid Freezer II is one of the best AIO cooler in the marketplace. It reaches the same 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 practically $200. The value is much more spectacular when you think about the cooler’s options. Specifically, 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 periods, this may occasionally enhance stability.

This cooler is all about efficiency and value. It will get these two bits proper, however not with out some concessions. It doesn’t characteristic any kind of lighting, and the design might not be to everybody’s tastes.

Nonetheless, the Arctic Liquid Freezer II hits a candy spot that different coolers can’t compete with. Socket help 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. Unbiased Loading Mechanism (ILM).

The most effective 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 peak) 230mm by 123mm by 30mm
Included followers Two Aer P120 120mm followers
Fan pace  500 to 2,000 RPM

Though considerably dearer than the Liquid Freezer II, NZXT’s third era of Kraken X coolers are price their asking value. The design is rather more interesting than Arctic’s providing whereas attaining comparable ranges of thermal efficiency. For appears to be like, the Kraken X’s infinity mirror pump cap is a showstopper. It bounces gentle round contained in the cap to create the phantasm of infinite LED rings. Like practically all NZXT merchandise, the Kraken X53 is absolutely built-in with CAM, permitting you to watch 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 help is great, with help 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 lined from any defects for the rated lifetime of the cooler.

The most effective 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 peak) 154mm by 123mm by 49mm
Included followers Two Corsair SP120L 120mm followers
Fan pace 2,435 RPM

Discovering a good 120mm AIO cooler is hard. With out correct floor space on the radiator, most 120mm coolers simply aren’t as much as snuff on the subject of cooling energy. The Corsair H80i v2 solves that downside. 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, nevertheless it will get lots nearer than a regular 120mm one. To get via the additional thick radiator, Corsair consists of two SP120L PWM followers, so it’s simple to arrange a push-pull configuration, however you’ll have to issue within the additional thickness of such a configuration when mounting.

As for help, 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 positive. AMD help 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 possibly can management fan pace and monitor temperatures via Corsair’s iCue software program.

The most effective funds 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 peak) 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 help and double FEP tubing. At round $80, it’s laborious 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 increased than some extra expensive choices. Nevertheless, the ML240L clocks in round $50 cheaper than most competing 240mm AIOs. Plus, you possibly can at all times swap the followers out later for extra lighting choices and barely higher noise ranges.

The Cooler Grasp ML240L comes with practically common socket help, 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 laborious to beat the ML240L. In case you can spend slightly more cash, although, you need to. There are a whole lot of potential failure factors in an AIO cooler, and cheaper coolers typically run the next danger.

The most effective 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 peak) 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 a whole lot of 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 good looking show of shade. EK is the place for customized water cooling, and the EK-AIO 240 exhibits why. On the subject of uncooked thermal efficiency, EK beats the Corsairs and NZXTs of the world. It consists of two EK-Vardar S followers that run from 550RPM to 2,200RPM and consists of help for Asus Aura Sync, Gigabyte RGB Fusion, MSI Mystic Mild, and ASRock RGB Sync for the followers and pump.

The EK-AIO 240 is a greater possibility as a result of the truth that it’s cheap. Cheaper than the 240mm counterpart at NZXT, and the identical value as Corsair’s ever-popular H100i, this can be a stable piece of apparatus to satisfy your wants. Like a whole lot of the opposite choices on this listing, it’s accessible in 120mm and 360mm variants, too. On Intel, the EK-AIO 240 helps LGA115x and LGA20xx, in addition to LGA1200. On AMD, it simply consists of an AM4 bracket. You possibly can management the followers straight via your motherboard, however if you happen to’re quick on spots, you possibly can choose up an EK-Loop Join controller for an additional six PWM connections.

The most effective 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 peak) 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 permits you to shortly see vital metrics from NZXT’s CAM software program, together with your fan pace and temperature. In case you don’t need to monitor something, you possibly can 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 trendy 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 value is the LCD show, however if you happen to’re available in the market for a premium cooler with flare to match, there isn’t a greater possibility.

Often requested questions

What do you have to search for in an AIO cooler?

A very powerful a part of an AIO cooler is the radiator measurement. A bigger radiator presents higher cooling efficiency, however that you must be sure it might match inside your case. In any other case, take a look at the socket help to verify you should use 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 possibly can count on an AIO cooler from a good model to run for six years with out points, however each cooler is slightly completely different. We suggest trying up particular person AIO cooler critiques to see if others have had points with reliability.

What ought to you realize before you purchase an AIO cooler?

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

One of the simplest ways to mitigate danger is to regulate your cooler to see if there are any indicators of leaking, and to watch your CPU temperature to see if the pump is failing. So long as you regulate each, you’ll find most issues earlier than they do any catastrophic injury.

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