〈Scythe CPU Air Cooler〉FUMA 2, tested with 3 fans installed


Actually, Fuma 2 is not a new CPU air cooler at all. I’ve bought this cooler for almost 2 years and have posted many pictures on my Facebook Fan Page.
(https://www.facebook.com/thealexwushere/posts/939609029731534)
However, I didn’t show you any test results last time when I bought it. Therefore, I’ll share its performance information with you today.

For other friends who have no chance yet to see any pictures of this cooler, let’s take a quick look at it.

This cooler is FUMA 2 and supports various types of CPU.

Default configuration of this cooler is using 2 fans and one of them is a slim fan in case of any mechanical interference.

A slim fan means it’s…… slim! The thickness of a fan used to be 2.5 cm and the thickness of this slim fan is 1.5 cm.

Let’s open the box and see what’s inside.

Fuma 2 is a CPU air cooler with dual-tower design which features 6 x ø6 heat pipes. The heat dissipation area is approximately 7970 square centimeters.

The default configuration of Fuma 2 is using 2 fans but you can actually find 6 fan clips inside the box (for 3 fans). If you’re focusing so much on the cooling performance, no problem, just put 3 fans on it like I just did.

I installed this cooler on ASUS Crosshair VIII Formula. It was really close but everything was just fine. I could install 4 memory modules and there was NO mechanical interference at all.

I was really wondering if Fuma 2 can keep up with an AIO liquid cooler, I therefore tested Fuma 2 with 3 fans all installed. Now, let’s see what happened.

Test bench for Intel’s platform:
Intel core i7-10700KF
ASUS Maximus XII Formula (Z490 Chipset)
GeIL OrionRGB Series 8GBx2 D4-4400 CL18-24-24-44 1.45V
PowerColor RX460 2GB

Set “Long Duration Package Power Limit” as 250W and enable XMP, other BIOS settings are all using default configurations.
The test software is AIDA64.
The system will idle for 5 minutes and test Stress FPU for 15 minutes thereafter.
The ambient temperature is 25.2 celsius degree.
According to Core Temp 1.71.1, the max power consumption of the CPU is about 164W.

Test results show the idle temperature is 29 celsius degree, and the temperature of the CPU will go up to 71 celsius degree after the 15 minutes test of Stress FPU.

I also tested Fuma 2 with AMD’s platform:
AMD Ryzen 7 3800X
ASUS Crosshair VIII Impact (X570 Chipset)
GeIL OrionRGB Series 16GBx2 D4-3600 CL18-22-22-42 1.40V
PowerColor RX460 2GB

All settings in the BIOS were using default configurations except the XMP option was enabled.
The test software is AIDA64.
The system will firstly idle for 5 minutes and test Stress FPU for 15 minutes thereafter.
The ambient temperature is 25.2 celsius degree.
And the power consumption is about 104W.

Test results show the idle temperature is 32 celsius degree, and the temperature of the CPU will go up to 80 celsius degree after the 15 minutes test of Stress FPU.

Comparing to the AIO liquid cooler I have in hand, Enermax AQUAFUSION series 240mm, Scythe Fuma 2 has just done a great job. The cooling performance is almost identical. Users who are still hesitating about the AIO liquid cooler for reasons now have an alternative. Impressive performance with competitive price. What else can you ask for?

Fuma 2 seems to be perfect in every way, but it’s not that perfect. “Huge & Heavy” is something you have to think about it before you go for it. I was really lucky enough that I never ever suffer any mechanical interference, but shit happens anyway eventually. With ASUS C8F, no problem, with ASUS M12F, perfect match, with ASUS C8I, no issues, but finally, with ASUS Strix Z490-I Gaming, the problem occurred! I believe Scythe has done whatever they could to avoid any possibly mechanical interference, but eventually it really depends on your motherboard. After all, Fuma 2 is really huge.

In addition, Fuma 2 is a heavy cooler. The default configuration of Fuma 2 is using 2 fans. Even with only 2 fans, the weight is reaching 1.1 kg which is heavier than a DeskMini X300, the barebone system from ASRock. And with 3 fans installed, the weight of the cooler has been over 1.24 kg. Personally, I have concerns to install such a heavy cooler on my motherboard. There’s nothing wrong, but I just don’t like the weight.

Scythe is one of my favorite brands of CPU air cooler which used to have a great price-performance ratio. Back to the time when I bought this cooler, I was expecting to see the performance close to an AIO liquid cooler and Fuma 2 didn’t let me down. Although it’s huge and heavy, I love this cooler so much. Let’s say, if you have no concerns about “huge and heavy”, I believe you’ll like it as I do.

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