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Scythe FUMA Rev. B CPU Cooler (SCFM-1100)

Ships from United States. Most customers receive within 4-8 days.

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  • Dual tower design to increase heat dissipation more effectively
  • Compact enough to fit in most cases without loss of cooling performance
  • Equipped with 2 PWM fans 300 - 1400 rpm
  • AM4 ready

Scythe FUMA Rev. B CPU Cooler (SCFM-1100)
Ships from United States. Most customers receive within 4-8 days.
  • Overview
  • Specs
  • Warranty & Returns
  • Reviews

Tracing its roots back to renowned Mine 2, Fuma was kept smaller without sacrificing performance. Countless hours spend on testing and optimizing formed a cooling device measuring 149 mm in height. To compensate the smaller surface, our researchers put a great deal of effort in tinkering a new baseplate design as well as redrafting the fin structure. Putting considerable effort in optimizing these two areas, a new twin tower CPU cooler with compact measures providing high-end performance was created.


Twin Towers

Fuma is made of two towers connected via six heatpipes to the baseplate. The twin-tower structure prevents mutual heating of the heatpipes while enhancing heat dissipation to the fins.


Maximum Cooling

FUMA is designed for the use of up to three fans to generate maximum airflow.


Kaze Jyuni Fan

Included with Fuma are two Slip Stream fans, a series valued by its' customers for many years. It is characterized by its' small fan hub enhancing the air flow.



Model Number:
INTEL: 775 / 115x / 1366 / 2011(V3) / 2066
AMD: AM4 / AM3(+) / AM2(+) / FM2(+) / FM11
(W)137 x (H)149 x (D)130mm
Fan Size:
120 x 120 x 25mm
Ø6mm x 6
Fan Speed:
300±300~1400 rpm±10% RPM
Air Flow:
5.6~79 CFM
0.01~1.56 mmH2O / 0.1~15.3 Pa
13~28 dBA
Weight(Fan inculded):

Learn more about the Scythe USA SCFM-1100

Warranty, Returns, And Additional Information
  • Warranty
  • Limited Warranty period (parts): 2 years
  • Limited Warranty period (labor): 2 years
  • Read full details
Ownership: 1 week to 1 month
Verified Owner
5/ 5
Excellent cooler - not the easiest install - great service from Scythe 6/5/2019 3:02:41 PM

Pros: Super effective cooler for my Ryzen 1700X. The Noctua DH-15 was slightly too tall for my case. So I found the Fuma Rev.b, returned the Noctua, saved myself $30+ and ended up with identical idle temps and 1 degree C higher at load. The Noctua may have been slightly quieter, but the Scythe is a great performer for the price.

Highly recommended!

Cons: Scythe's install bracket is sturdy and works well, but you cannot install the middle fan until the heatsink is mounted in the case, making installation more difficult than it really needs to be. Not a deal breaker by any means, but a bit annoying.

One of the two included fans that I received was bad, but I managed to locate an email address for Scythe's US sales dept. I wrote them late on a Saturday. They traded emails with me before noon on the following Monday, and by Tuesday evening I had a free replacement fan at my door. Great customer service, Scythe!

0 out of 1 people found this review helpful. Did you?
Ownership: 1 day to 1 week
Verified Owner
5/ 5
Excellent Performance, Annoying Fan Install 5/17/2019 5:53:22 PM

Pros: This is an EXCELLENT product overall. I have a Ryzen 7 2700 and I did some testing with this cooler and was impressed by the value. At 1.4v and 4.2GHz, this cpu got up to a max of 73C after a 10 minute-all core stress test in CPU-Z. Granted, this is without the GPU dumping any heat into the case, but aside from rendering videos, it would seem rare that you would have the CPU at an all core load and the GPU making significant heat. Now normally this cooler is whisper quiet, but with this extreme test it spun up and got noticeably loud. I'm not really aware of any coolers that can really be that quiet at 1.4v on an 8c/16t CPU, so I'm not faulting it there.

I did a render test of a 4k file using this CPU at stock speeds and an AORUS RX 580, and the max temp was in the low-mid 50s, all while staying very quiet. I also noticed that since this cooler keeps temps much lower than the stock wraith spire, the CPU was able to PBO to higher clocks for single thread performance in gaming. The stock clock is 3.2ghz, but I was seeing a consistent 3.75-3.9GHz in gaming which helped me get some higher frames. I was pleasantly surprised by that and was not expecting it.

Another pro is that this cooler has good clearance. I have a Cougar MX330, a relatively shallow case, so I couldn't fit a Noctua or a BeQuiet in here because of clearance issues. This fit no problem.

Cons: It was a bit tricky to install the middle fan, I actually had to bend the cooler slightly to get it to fit. I thought that could have been better-designed, but it wasn't a huge issue at the end. Also, this is nitpicky for the $43 price tag, but this is sort of plain looking, almost industrial cooler. The one nifty visual thing I noticed is that if there is a light shining on the sticker, it makes different shapes depending on what speed the fan is going. I kind of would have liked to have had an illuminated logo or something on top of the cooler (even a simple white light that says Scythe or something), but if not including it was a cost-saving measure then I guess I support it.

Overall Review: Final analysis- excellent performance at a great price. Would recommend 10/10 times if you need an effective and inexpensive air cooler.

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5/ 5
Excellent cooler for the price! 5/6/2019 11:22:30 AM

Pros: bought this cooler for $42 and worth way more than that. yes it fits in a 011-dynamic lian li case. took me a while to find a cooler of this caliber that could fit the 155mm clearance.
Keeps my 2700x nice and cool never going past 75 under heavy load (cinebench, prime95) the stock cooler reached around 91 so this was an amazing upgrade.
Gaming it does not go past 65 degrees. stock cooler ran around 70 degrees.
It is a beefy cooler (fans had to be switch to having one inside and one behind pulling air, could not fit the front side with corsair vengeance RGB RAM.
Very quiet and performance is amazing, definitely recommend.

Cons: nothing to add here lol

Overall Review: Again if u need a low profile cooler with Noctua like performance, this is the one.

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Ownership: 1 week to 1 month
Verified Owner
4/ 5
Great cooler 3/28/2019 4:45:08 AM

Pros: Works great, keeping my i7-8700k (no OC at the moment) in the high 20'C range under low load and in the mid-high 50'C range while gaming.

Installation was pretty easy. I'd never installed an after-market cooler before and it was in and working in less than an hour.

Quiet enough that I can't hear it over some of my other case fans.

Cons: This thing is hard to find. It's routinely out of stock. The price also fluctuates in insane increments. Don't dump three figures on this; wait until it's more reasonable.

Did you find this review helpful?
Ownership: 1 day to 1 week
Verified Owner
4/ 5
This thing is HUGE... 1/31/2019 4:06:46 PM

Pros: This is a HUGE cooler. I expect it to do a great job cooling my CPU it certainly is big enough.

Cons: - This is a HUGE cooler. Call it a rookie mistake, but I purchased it along with the ASUS PRIME Z370-A II LGA 1151 and when the fans are installed correctly, it blocks off 2 of the RAM slots. With the removable fans, I just mounted it slightly higher than the RAM chips and it seems to work fine. Just be aware of that.

- Only minor gripe for those with any type of OCD. The sticker on the visible fan was slightly off. Its not noticeable before assembly, but once it spins, the fan blade appears like its wobbling. Its one of those things that if someone points it out to you, its all you can see.

1 out of 1 people found this review helpful. Did you?
Ownership: 1 week to 1 month
Verified Owner
5/ 5
better than a stock cooler 1/28/2019 4:43:07 PM

Pros: - shipped in 2 days
- installation wasn't too hard, even for my first time installing a cpu cooler
- included fan splitter
- wide socket support, AM4 included
-keeps oc'd R7 1700 cool

Cons: -needs low profile ram (30mm) or have to raise the front fan, maybe mugen or cryorig h5 otherwise

Overall Review: - doesn't come with a screw driver
-R7 1700 oc to 3.7ghz
stock cooler(wraith spire) Idle=38-40C, Prime95 temps around 71C-74C @100% fan speed
scythe fuma Idle=33C, Prime95 around 61C-63C @around 50% fan speed

2 out of 2 people found this review helpful. Did you?
5/ 5
What a beast!! 12/24/2018 7:32:42 PM

Pros: Cools like a champ. Gaming at 4.9mhz overclock, 1.32 core (i5 9600) hovers around 57*. P95 with AVX doesn't go past 71* while benchmarking.
And it's quiet too! I changed the fans to even quieter ones but it wasn't necessary. The stock fans are great.

Cons: Heat sinks needed to be pulled apart just a little to fit the center fan.

Overall Review: If you want a powerful but quiet air cooler at a great price, this is it. No ugly beige fans, no clunky mounting mechanisms.

2 out of 2 people found this review helpful. Did you?
Ownership: 1 day to 1 week
Verified Owner
1/ 5
Do not expect timely shipping 11/17/2018 12:23:19 PM

Pros: Good fan, good price

Cons: Paid a lot for 1 day shipping. Arrived a week later.

Overall Review: DO not expect to receive this item quickly. Do not pay for any method of shipping under 5 days because they will just take your money and ship it the cheapest way they can find.

3 out of 44 people found this review helpful. Did you?
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