Closed Loop AIO Liquid Coolers: 14-way Mega Roundup Review
by E. Fylladitakis on February 12, 2014 7:00 AM ESTEnermax
The two AIO coolers from Enermax that we had the chance to look at share a similarly sized, 120mm x 120mm radiator, yet they are absolutely nothing alike. The Liqmax 120S is a product designed with value in mind, to compete with AIO coolers in the league of the Cooler Master Seidon 120V and the Corsair H75. Its thermal performance is unimpressive, slightly worse than that of the Seidon 120V, yet the noise levels of the Liqmax 120S are considerably lower. It is unable to compete with the dual-fan H75 though, at least not while maintaining similar noise levels.
The Liqtech 120X on the other hand is very impressive, especially in terms of quality and aesthetics. A simple inspection reveals that the radiator and block of the Liqtech 120X are much better made than those of most other kits. It delivers good thermal performance while maintaining very low noise levels, considering the size of its radiator and the use of 120mm fans. The downside is that the Liqtech 120X owes much of its good performance on the extra-thick radiator, which could lead to compatibility problems with some cases if there is not enough clearance.
The only great problem that all AIO coolers from Enermax have is the low availability, as they currently are not available in North America at all and few retailers stock them in Europe. They can be imported to the US from Asia or Europe but that is a financially unrealistic option.
NZXT
NZXT currently offers only two high performance AIO coolers, both with 140mm wide radiators, which limits their compatibility significantly. On the other hand, they are the only coolers with extended (≈ 40cm) tubing, allowing the radiator to reach the front panel of a tower case. Still, the number of cases currently capable of supporting a 140mm wide radiator is quite limited.
Both the Kraken X40 and the Kraken X60 performed well in our tests, offering thermal performance similar to other AIO coolers of the same class. Specifically, they offer lower thermal performance than Cooler Master's 140mm wide coolers but maintain reasonable noise levels, while they display about the same thermal performance as Corsair's offerings but are not as quiet. While better fans could have been selected, NZXT has a tremendous advantage over the competition; the Kraken X40 and Kraken X60 retail for about the same price as other 140mm wide AIO coolers but only NZXT's offerings feature a USB interface. The USB interface allows the user to monitor and fine-tune the performance/noise ratio of the cooling system directly from the desktop, as well as to program custom LED lighting colors and effects.
Silverstone
Silverstone currently offers only two AIO liquid coolers, the Tundra TD02 and the Tundra TD03, both of which we have tested in this review. They are both based on the same design, with their only difference being the size of the radiator. Although the design of the Tundra TD03 is similar to that of the Enermax Liqtech 120X, the aesthetic design of Silverstone's offerings is quite different, going with a white/grey/nickel color theme instead of Enermax's black/red. The OEM behind them might be the same, although that is a mere guess on our part, as the fin design and frame of the radiators are significantly different.
The appearance, feel and quality of the Tundra TD02 and Tundra 03 are outstanding, greatly superior to that of most other kits. On the other hand, the overall performance of these kits actually disappointed us. It is by no means bad, as both of Silverstone's AIO coolers deliver thermal performance comparable to that of other similarly sized kits at reasonable noise levels and are especially efficient under low fan speeds. However, we expected a lot more from kits with radiators this thick and with such a classy appearance.
The mediocre performance may be due to the narrow corrugated tubing, a weak pump, a wrong choice of fans, or any combination of the above, but the fact is that a performance upgrade is required in order to overtake the competition. Furthermore, we are unsure about the white/grey color theme, as it will most likely stand out way too much inside all-black cases and that is not always the desired effect. Still, the balance between quality, performance, and value is very good and Silverstone's AIO coolers will become a favorite among those who want to combine low-noise operation and good looks. Just make sure that the 45mm thick radiators will fit inside your system before purchasing one!
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E.Fyll - Thursday, February 13, 2014 - link
That would be new to me; I am practically unmoved by anything, let alone someone who is trying to debate with me online.Unfortunately, you did state your point but you cannot possibly "defend it". Your point is based on your personal preferences and assumptions. I explained to you thoroughly why your assumptions are wrong and how they would lead to erroneous results. Anything based on assumptions has no basis, there is no argument that can defend it and is practically wrong. Still, you chose to cling upon your opinion. That is your choice; it does not mean that I have to endorse it.
As for the "what differentiates an AnandTech reviewer and the typical Newegg/Amazon user reviewer" comment, I...rest my case. If that is all you can see in such an article, there is absolutely nothing that I would like to say to you.
The PC Apologist - Thursday, February 13, 2014 - link
Fyll: "I am practically unmoved by anything, let alone someone who is trying to debate with me online."PCA: Being unmoved is not necessarily a good thing, it merely means you're not open-minded enough to allow for room for improvement. Also, is debating online somehow a lower standard or an inferior forum for argument? This is 2014 for Christ's sake, what would you have preferred, debating over the phone or in person? Coming from an online writer no less...
Fyll: "Unfortunately, you did state your point but you cannot possibly "defend it". Your point is based on your personal preferences and assumptions. I explained to you thoroughly why your assumptions are wrong and how they would lead to erroneous results. Anything based on assumptions has no basis, there is no argument that can defend it and is practically wrong."
PCA: What, what, and what? So one cannot possibly defend a stance that is based on personal preferences and assumptions huh? Interesting. I wonder what Michael Sandel of Harvard would say to that. And trust me, throughout this dialogue I've been way more objective and scientific than you. All you're clinging onto is a failed and lobotomized version of Logical Positivism. As for assumptions, ever heard of thought experiments and hypothetical scenarios? Jesus Christ... And don't blame me for your lack of imagination and creativity. The answers to all of your previous questions, concerning what fans to use and how to discern a good cooler from a bad one, are obvious to any true computer enthusiasts with even a minimal scientific background. Needless to say, you are not one of them.
And for the AnandTech vs. Newegg user reviewer point (in the correct context please), how can you rest your case when you've never presented it? What is your case? You can't just end it without having started it because then, we won't know where exactly you are wrong.
Listen man, I've tried to be nice and courteous, but you are really pushing it. And I hate to throw the book at you, but it's obvious you haven't read it (or any other for that matter). The following is posted under "Review Philosophies" of the AnandTech About page:
" We employ the scientific method in all of our endeavors. Ensuring reliability by repeating tests multiple times, checking results against control groups and implementing sound testing methodologies. We create the vast majority of our own test suites using both in-house and industry standard benchmarks. We also put a lot of effort into ensuring that the results published in our reviews track with the real world user experience of the products we review. In many cases the majority of the test results we generate never make their way onto the site, they're simply used by our reviewers to better understand the product being evaluated to provide you with better overall content.
Our reviews incorporate a mixture of objective and subjective based analysis, the balance varying where appropriate. We are not a site that exclusively relies on data based comparisons but also deliver honest user experience evaluations as well. Some reviews lend themselves to data driven analysis more than others (e.g. CPU review vs. smartphone review), but we always attempt to provide both in our coverage. I fundamentally believe that you need both to accurately portray any product. Numbers are great for comparative analysis, but without context they can be meaningless. Similarly, personal opinions are great to help explain what owning a product may be like, but without data to back up some claims the review lacks authority (e.g. average vs. good battery life begs to be quantified).
We are a very small team for a publication of our size. We are human. We make mistakes. We gladly welcome criticism from our readers and vendors alike. Seeking perfection doesn't mean being perfect from the start, it means being able and willing to improve when faced with evidence that you're not perfect. I feel strongly about this - negative feedback is tough to hear, but as far as I'm concerned it's free education. If there's validity in a complaint about something we've done, we will take it to heart and act upon it. We rarely ban commenters in our articles (99.9999% of banned commenters are spammers). While I would appreciate it if you are respectful to our writers when commenting, you won't be banned for expressing your feelings about something we've written - as nice or as harsh as you may be. Naturally, given the name of the site, I reserve the right to change this policy and totally ban you if you look at me funny in public."
- The PC Apologist
Sushisamurai - Thursday, February 13, 2014 - link
Bingo. As a professional working away from home, with a limited, local selection of parts, I really have to thank Anandtech's thorough review of stock, out of box configurations. Really helped in terms of eliminating what I don't want - some people just don't have the time in their life browsing complicated reviews factoring modifications. I don't mind spending $150 for a AIO cooler that I can set up, and that it works better than some, as opposed to buying something for $100 and buying other fans etc to make it perform similarly to a $150 product out of box. That extra time and hassle isn't worth it to me (and some people).That being said, rock on for the review! I only wish there was a more clear answer for corsair vs NZXT for the bigger radiators (x60 vs 110/100i). I wonder how they would perform with max fans (4 fans push and pull from the manufacturer) for noise and thermal performance at certain loads; as their thermal resistance is different, I wonder if would more fans compensate for lower noise (over all lower RPM) at certain energy loads. But I suppose that's for a more detailed review another time :)
The PC Apologist - Thursday, February 13, 2014 - link
All I hear is compromise after compromise.After having cut so many corners, what differentiates an AnandTech reviewer and the typical Newegg/Amazon user reviewer?
P.Ashton - Thursday, February 13, 2014 - link
I do not usually post comments but boy, what a load of rubbish!The PC Apologist, if I may ask, what are your qualifications? I mean, aside from typing long, beautiful and full of useless information texts. Are you an engineer or products specialist in any given way? It lacks any sense to tell you how misconceived you are, others did before me and you discarded them basing your "reason" on childish arguments. But alongside "obnoxious" and "elitist", I would definitely add "arrogant" to the list. Someone who is overqualified for this kind of job is wasting his time trying to educate you and you compare him to a "Newegg reviewer"? Good lord.
I myself am an enthusiast, I spend several thousands of pounds every year on hardware and I would never buy a cooler with the purpose of replacing the fan. If a cooler cannot do the job out of the box, that tells me a lot about whoever designed and markets it.
Regarding your future application as a reviewer, please, save us the trouble. I would very much rather read a short and cold technical text than a long essay full of bollocks. I can decide for myself if I like a cooler or not after it has been presented to me and I am here to read proper reviews, not sales ads.
Keep up the good job E.Fyll. I will be buying none of these and I look forward to your air cooler reviews. One short recommendation, if I may. You should add the C/W bar graphs after every temperature graph, not just the average C/W graph. I can calculate the C/W for the wattage that interests me but I do not believe that is true for many people.
The PC Apologist - Thursday, February 13, 2014 - link
It matters not what my qualifications are. It wouldn't matter if I'm a 12 year old school boy or a Ph.D. with published papers and years of experience working in the field; if you are basing my truth claims solely on my qualifications, you are committing the genetic fallacy.As for the Newegg reviewer comment, recall the context: "All I hear is compromise after compromise. After having cut so many corners, what differentiates an AnandTech reviewer and the typical Newegg/Amazon user reviewer?" So first, learn to read. Second, learn to read between the lines. It is a rhetorical question, intended to incite a point. If you disagree, argue your stance, don't nerd rage.
E.Fyll is "overqualified" for this job? All I see is a grunt, willing to put in work without proper thought. We all know that he's done a lot of testing and data compiling, but without an adequate understanding of the scientific process and an acceptable command of language, all his hard labor is just that, hard labor.
Spending a lot of money on hardware isn't want makes one an computer enthusiast. Sigh...
The rest of your comment is just you telling us about yourself. Nice to meet you Bob. Was it Bob?
apoe - Monday, February 17, 2014 - link
Just keep writing essays and ignore how everyone disagrees with you. LOL.landerf - Wednesday, February 12, 2014 - link
This is great, except that many people replace the fans on these coolers and would be most interested in a test using the same 120/140mm fans on all the coolers. To know which one truly is the most effective. Unfortunately this very consumer relevant test is not one I've ever seen done with CLCs. If were to do this, I'd suggest using a common radiator replacement fan like a GT and whatever the community at large considers the 140mm equivalent.Duncan Macdonald - Wednesday, February 12, 2014 - link
Non-AIO water coolers can give far better noise performance.(I use a pair of Zalman Reserator 1 V2 for silent cooling of a 4770K and a R9 290X. Not cheap or portable but VERY QUIET.)
E.Fyll - Wednesday, February 12, 2014 - link
And better thermal performance, if I may add. Cost and complexity however are on a whole different level. :)