Scythe Ninja 5 air cooler review

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Scythe NINJA 5 air cooler review

Will this ninja cut the temperatures?

Today, we are reviewing an air cooler from Scythe: the NINJA 5. The last time we got our hands on this company’s cooler was a whopping 10 years ago – it was the Ninja 3 model (which earned the “Recommended” award). This time around, it’s not a single-tower CPU cooler, but rather a dual one with two fans attached. The Scythe NINJA 5’s fans (Kaze Flex 120 PWM) have a rather narrow and low RPM range of 300 to 800. This should bring the noise lower for sure. But will it be enough to provide a cooling capacity that can handle the i9 9900K and AMD Ryzen 7 3700X?  The installation should be easier this time due to introducing the new (third) generation of the Hyper Precision Mounting System (H.P.M.S.). We’ll make sure to check that too. Coming back to the fans, the maximum airflow is 43.03 cfm, with the noise levels not exceeding 14.5 dBA (but you should remember that almost all manufacturers measure this with their own methodology, so you can’t really make direct comparisons). The overall dimensions are huge, at 138 x 155 x 180 mm (WxHxD). You can find six heat pipes on this monster; each of them is 6 mm thick.


The Scythe NINJA 5 is compatible with the following CPU sockets:

  • AMD - AM4/AM3+/AM3/AM2+/AM2/FM2+/FM2/FM1
  • Intel - LGA2066/2011-v3/2011/1200/1151/1150/1155/1156/775

The total weight is imposing, as it’s 1190 g (with the fans). You won’t find any RGB here, only a sleek and modest design.



It should be fascinating to see how it performs against other air coolers, including the flagship Noctua NH-D15 and some AIOs, shouldn’t it? As I mentioned earlier, we’ll check that on both AMD (Ryzen 7 3700X) and Intel (Core i9 9900K) platforms. For roughly 60 USD, you receive a dual-tower cooler with a pair of silent 120 mm fans. The warranty period is 2 years. Let’s head to the specs/feature page, shall we?

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