Closed Loop AIO Liquid Coolers: 14-way Mega Roundup Review
by E. Fylladitakis on February 12, 2014 7:00 AM EST
Remember the time when liquid cooling a computer chip was considered to be an extreme approach, one performed by hardcore enthusiasts and overclockers alone? Everything had to be personally designed and or procured by the user, as there were no specialized commercial products available at the time. Radiators were modified heater cores extracted from cars, CPU blocks were rare and occasionally machined at local workshops using a copper block and a lathe, while high-performance tubing came from shops with medical supplies.
As demand grew, aided by the ever-increasing noise of small CPU heatsinks, companies specializing on liquid cooling solutions began turning up -- a little too fast perhaps, as tens of companies were founded within a few months' time and very few of them actually survived for more than a couple of years. Enthusiasts could then buy specialized liquid cooling equipment and even whole kits from just one seller and only had to assemble the setup into their system. That of course is no simple process for an amateur and a nightmare for a system builder, who cannot ship a system with a topped off water cooling tank or assume that the user has the skills required to maintain such a system, therefore the potential market remained limited to advanced users only.
This all changed in 2012, when Asetek came up with an inexpensive closed loop solution, a liquid cooling device that was leak-free and required no maintenance at all. The radiators of the first few solutions were small and their overall performance hardly better than that of air coolers; however, aided by the modernization of computer cases, the mounting of larger, thicker radiators inside a PC soon was not a problem. In many cases the kits were now no harder to install than any CPU cooler and required no maintenance at all, opening the market to virtually every computer user seeking a performance cooling solution. This spurred massive interest amongst OEMs and manufacturers, who all strive for a slice of the pie.
There have been tens of AIO (All-in-One) closed loop liquid coolers released just in 2013; today, we are having a roundup with 14 of them, coming from five different manufacturers, alphabetically listed in the table below.
| Product | Radiator Effective Surface | Radiator Thickness | # of Fans (Supplied / Maximum) | Speed Range of Supplied Fans (RPM) | Current Retail Pricing |
| Cooler Master Seidon 120V | 120mm × 120mm | 27mm | 1 / 2 | 600-2400 | $49.99 |
| Cooler Master Nepton 140XL | 140mm × 140mm | 38mm | 2 / 2 | 800-2000 | $99.99 |
| Cooler Master Nepton 280L | 140mm × 280mm | 30mm | 2 / 4 | 800-2000 | $119.99 |
| Corsair H75 | 120mm × 120mm | 25mm | 2 / 2 | 800-2000 | $69.99 |
| Corsair H90 | 140mm × 140mm | 27mm | 1 / 2 | 600-1500 | $84.99 |
| Corsair H100i | 120mm × 240mm | 27mm | 2 / 4 | 800-2700 | $109.99 |
| Corsair H105 | 120mm × 240mm | 38mm | 2 / 4 | 800- 2700 | $119.99 |
| Corsair H110 | 140mm × 280mm | 29mm | 2 / 4 | 600-1500 | $126.99 |
| Enermax Liqmax 120S | 120mm × 120mm | 32mm | 1 / 2 |
600-1300 600-2000 600-2500 (Multi-range) |
$163.00* |
| Enermax Liqtech 120X | 120mm × 120mm | 43mm | 2 / 2 |
600-1300 600-2000 600-2500 (Multi-range) |
$171.10* |
| NZXT Kraken X40 | 140mm × 140mm | 27mm | 1 / 2 | 800-2000 | $89.99 |
| NZXT Kraken X60 | 140mm × 280mm | 27mm | 2 / 4 | 800-2000 | $119.99 |
| Silverstone Tundra TD02 | 120mm × 240mm | 45mm | 2 / 4 | 1500-2500 | $118.99 |
| Silverstone Tundra TD03 | 120mm × 120mm | 45mm | 2 / 2 | 1500-2500 | $97.99 |
*The coolers from Enermax are not widely available in the USA at the time of this review, with the only viable option appearing to be that of import from Asia or Europe.
Although Asetek was the first to come up with the design and they hold patents for it, they are not the only OEM of AIO cooling solutions today. At least three different OEMs are behind the kits listed in the table above. We will have a closer look at each one of them in the following pages.
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Laststop311 - Wednesday, February 12, 2014 - link
noctua d14 runs cooler and quieter. These all in 1 coolers all suffer from the same problem. The pumps used are cheap loud and not very powerful. You need to build you own water cooling loop using high quality waterblocks radiators pumps and tubing then and only then can u take the noctua d14 down, And I'd still use high static pressure noctua fans on the custom water cooling loop because noctua fans are awesometheNiZer - Wednesday, February 12, 2014 - link
E. Fylladitakis : I like the theme of the article and the approach, BUT did you use the same fan-type for all coolers? If not, that explains the lov efficiency of Coirsair H105 - it has more low noise tuned fans.You should test the units with the same fan as well to really tell the effect of the individual watercoolers.
E.Fyll - Wednesday, February 12, 2014 - link
No and I will never use any other fan than the ones supplied with the kit. I explained why thoroughly in the comments above. I cannot perform tests with a fan of my choice, as the characteristic performance of the said fan will favor some designs over others, creating misleading results. And I cannot possibly perform testing using dozens of fans either.It also increases the cost. Most people simply want to buy a cooler, not half the store. If someone wants to use different fans for whatever reason, I cannot possibly foretell how each kit will react. RPM, CFM, sound pressure levels are all next to irrelevant when a fan is going to be mounted on a heat exchanger, therefore any comparisons between fans that "look similar" are a massive mistake.
I performed noise testing, you know. If you would look at it, it is one of the noisiest kits in the roundup. So that could not have been further from the truth.
Hxx - Wednesday, February 12, 2014 - link
Why no thermaltake? I managed to snag a thermaltake performer 2.0 from Microcenter for $5 after a rebate lol last BF. It was too good to be true. They also had the extreme 2.0 for $35. Great cooler too (both of them although i kept the little one).E.Fyll - Wednesday, February 12, 2014 - link
Copy-paste from above:"I know. I actually tried to acquire all AIO coolers in existence, including Intel's, Thermaltake's and others. Not everyone is happy to cooperate and/or willing/able to supply samples at a give time, for whatever reason."
I cannot test what I cannot have access to.
Dizey - Wednesday, February 12, 2014 - link
I normally don't comment, but I just have to say that I'm also really disappointed that the Swiftech H220 isn't in this review. In all fairness, one could argue that the H220 isn't a close loop cooler, but the lack of its presence in this article does give it a fowl stench.E.Fyll - Wednesday, February 12, 2014 - link
Copy-paste from above:"I know. I actually tried to acquire all AIO coolers in existence, including Intel's, Thermaltake's and others. Not everyone is happy to cooperate and/or willing/able to supply samples at a give time, for whatever reason."
I cannot test what I cannot have access to.
Dustin Sklavos - Wednesday, February 12, 2014 - link
The H220 isn't *available.* Asetek's litigation means you can't buy it stateside, rendering its performance somewhat irrelevant.twtech - Wednesday, February 12, 2014 - link
I don't see a winner listed, but the results seem to say that, from a performance standard, if you have the room to fit it, the Corsair H110 is what you'd want to buy. It's basically a close 2nd in both performance and noise, which makes it a clear #1 overall.twtech - Wednesday, February 12, 2014 - link
And by standard I meant standpoint.