Weird $40 CPU Cooler: Jiushark JF13K Diamond Flat Tower Review
13,930Sponsor: Thermal Grizzly Kryonaut thermal paste (on Amazon - https://geni.us/JMVNtOE ) & Hydronaut for water cooling (Amazon - https://geni.us/Fsray )
A ton of you emailed us about the Jiushark JF13K, an extremely unique low-profile "flat tower" CPU cooler. This downdraft CPU cooler immediately positions itself among the best CPU air coolers on the market in 2023, and that's without even leveraging the usual height. Instead, it runs a wider heatsink over the RAM and VRM, giving the side benefit of reduced thermals on the directly exposed MOSFETs. This cooler was $40 when we reviewed it. We tried to find it a few months ago (before it was publicly available) and ended up asking Scythe for help. Scythe sent us the cooler because, even though they're a "competing" brand, they actually are Jiushark's distributor for the Japanese market. Pretty cool cross-over! This might be one of the best CPU coolers to consider for a low-profile, mini-ITX, or small form factor build. It definitely looks unique.
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Learn more about our CPU cooler testing methods: https://www.youtube.com/watch?v=fmTOJP4KOyk
Find our cooler reviews playlist here! https://www.youtube.com/watch?v=iRe8zVCjCNw&list=PLsuVSmND84QtyyYcalFch402w3ypcp1TQ
RELATED PRODUCTS [Some Are Affiliate Links]
The Jiushark JF13K Diamond might eventually land on Amazon here: https://geni.us/1z6n4
You can also find it on JD -- more difficult to navigate for those who can't read Chinese. We have no affiliation with JD, but we have bought interesting parts from them in the past: https://geni.us/8zGE
Amazon Basics CPU Cooler on Amazon: https://geni.us/76yHMNc
Thermalright Peerless Assassin 120 on Amazon: https://geni.us/SjIrJgn
DeepCool AK400 on Amazon: https://geni.us/Mr50z
Arctic Freezer 34 Esports Duo on Amazon: https://geni.us/mvdp
Scythe Fuma 2 on Amazon: https://geni.us/5qM0v
Noctua NH-U12S Redux on Amazon: https://geni.us/BnCTNY
Or if you want some liquid cooling there’s the Arctic Liquid Freezer II 280 on Amazon: https://geni.us/RJBy
TIMESTAMPS
00:00 - Unique Flat Tower Jiushark CPU Cooler
01:22 - Background
02:08 - Size Comparisons & Dimensions
03:29 - Fan Rattle & Quality Control
05:02 - VRM & RAM Cooling, Coldplate Contact
06:36 - Important Thermal Testing Methods
09:33 - 200W Noise-Normalized Heat Load
10:37 - VRM Thermal Testing
11:58 - 200W 100% Fan Speed
13:09 - More Air Cooler Tests at 123W 35dBA
14:19 - 123W at 100% Fan Speed
15:03 - The Problem: Installation
21:39 - Pressure Testing
23:06 - Conclusion
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Host, Writing, Test Lead: Steve Burke
Testing, Video Editing: Mike Gaglione
Camera, Video Editing: Vitalii Makhnovets