Review: Scythe Fuma 2 Rev. B

Scythe Fuma 2 Rev. B manufacture's image
Scythe Fuma 2 Rev. B
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CPU Cooler Details:
Metric Value
Brand Scythe
Cooler Name Fuma 2 Rev. B
Fan 1 Name Scythe Kaze Flex II 120mm Slim Fan
Fan 2 Name Scythe Kaze Flex II 120mm Fan
Stated dBa 28.6
Number of Heat Pipes 6
Full Size (WxHxD): 130x154x139 mm
Radiator 1 (WxHxD) 130x105x36 mm
Radiator 2 (WxHxD) 129x105x50 mm
Air Cooler Rating: Install 9 (Easy)
Manufacture's Link Fuma 2 Rev. B Manufacture's Link

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Fan Details for CPU Cooler:
Metric Fan 1 Fan 2
Fan Name Scythe Kaze Flex II 120mm Slim Fan Scythe Kaze Flex II 120mm Fan
Fan Location Front Mid
Fan Flow Type Push Mid
CPU Only Fan No No
Max RPM 1500 1500
Fan Size (mm) 120 120
Fan Width (mm) 17 27
Manufacture Rated dBa 23.9 24.9
Manufactured Rated Airflow (cmf) 33.9 51.2
Manufactured Rated Air Pressure (h2o) 0.9 1.1
Number Of Pins 4 4
PWM Fan Yes Yes
Bearing Type Fluid Dynamic Fluid Dynamic
Watts (W) 0.96 1.56
Current (A) 0.08 0.13
Max Volts 12.00 12.00

Design and Aesthetics:

The Scythe Fuma 2 Rev. B features a dual-tower design with two slim aluminum heatsinks and a pair of 120mm Kaze Flex fans. This design ensures efficient heat dissipation and allows for compatibility with various system configurations, including those with tall RAM modules. Aesthetically, the Fuma 2 Rev. B has a sleek, modern appearance with a black and gray color scheme that complements a variety of build themes.

Install Notes:

The Scythe Fuma 2 Rev. B comes with a mounting system that offers compatibility with a wide variety of Intel and AMD sockets. The installation process is relatively straightforward, thanks to the detailed instructions and high-quality components provided. This cooler employs a similar method to the Noctua installation, but with a slight alteration in the male and female connectors on the cooler's mounting system. This modification allows for easy installation and removal of the cooler. However, to ensure optimal cooling performance, it's essential to carefully follow the instructions and achieve proper mounting.

Cooling Performance:

The performance of the Scythe Fuma 2 Rev. B is exceptional due to its six heat pipes that efficiently transfer heat away from the CPU and into the large fin arrays of the heatsinks. It is suitable for a wide range of processors, including moderate to low level TDPs. The cooler may not be suitable for high levels of overclocking but it is a popular choice among enthusiasts for mainstream CPUs.

Noise Performance:

One of the key attributes of the Scythe Fuma 2 Rev. B is its moderate noise output. The dual 120mm Kaze Flex fans are engineered for maximum airflow and moderate noise levels. Users can anticipate quiet cooling under most workloads.


The Scythe Fuma 2 Rev. B is a high-caliber air cooler that offers exceptional cooling performance and quiet operation. Its dual-tower design and modern aesthetics make it an appealing choice for users in search of a dependable and efficient cooling solution for high-performance computing systems.

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AMD Ryzen 7 5800X

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CPU Details:
Metric Value
Brand AMD
Cooler Name Ryzen 7 5800X
CPU Socket AM4
Cores 8
Thread Count 16
Max Temperature 90°C
Base Clock 3.8GHz
Max Boost Clock 4.7GHz
Cache L1
Cache L2 4MB
Cache L3 32MB
Processor Power Base 105W
Manufacture's Link Ryzen 7 5800X Manufacture's Link

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