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Scythe SCMNJ-1000 80mm Sleeve "NINJA MINI" CPU Cooler

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  • 2300 ±10% RPM
  • 32.2 CFM
  • Aluminum & Copper

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  • Overview
  • Specifications
  • Warranty & Returns
  • Reviews

The legendary ninja were known for their ability to go almost anywhere and get into seemingly impossible locations – and to do so silently. Enter the SCMNJ-1000 Ninja Mini from Scythe. Designed to fit into the 3U and other media PCs where space is at a premium, it takes on thermal build-up at a stealthy 24.4 dBA – quieter than the 30 dBA of a library. The 80mm fan spins at 2300 RPM on long-lasting sleeved bearings for many years of faithful service.

Like its bigger sibling, the Ninja CPU cooler, the Ninja Mini incorporates six 6mm copper heat pipes for maximum thermal dispersion away from the CPU among the ranks of aluminum convection fins. Also, like the bigger cooler, it is possible to operate without a fan, depending on the thermal needs of your system. The Ninja Mini is also able to add a 92mm fan to its arsenal in the even that more airflow is needed.

True to Scythe's dedication to user-friendliness, the Ninja Mini installs effortlessly onto Intel Socket 478 and 775 CPUs as well as AMD K8, 754, 939, 940 and AM2 processors where it will silently assassinate the demons of excess heat.

  • newegg Superior Heat Dissipation and Cooling Performance The copper base and 6 copper heatpipes conduct heat fast; high-density aluminum fins maximize heat dissipation area, plus an 80mm, 2300RPM cooling fan to deliver optimal cooling performance.
  • newegg Universal Socket Compatibility The Scythe SCMNJ-1000 features broad compatibility with AMD socket 754, 939, 940, and AM2 platforms, as well as Intel socket 478 and LGA 775 platforms.

Learn more about the Scythe USA SCMNJ-1000

Warranty, Returns, And Additional Information
  • Return Policies
    • Return for refund within: 30 days
    • Return for replacement within: 30 days
  • This item is covered by Newegg.com's Standard Return Policy.
Ownership: more than 1 year
Verified Owner
5/ 5
Scythe NINJA MINI CPU Cooler

Pros: Best Dang fan I ever bought.....5 years old and still running, quietly.

Cons: None

Other Thoughts: I would buy another if available.

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Ownership: 1 month to 1 year
Verified Owner
3/ 5
Ninja-Mini Comments

Pros: Easy to install.

Cons: Noisy, largely because fan is 3-pin so fan runs "full out" at 2300 RPMs. I found the ninja-mini wouldn't reliably "clip" into the motherboard so had difficulty maintaining good contact with the CPU. Ninja-mini was relatively large and didn't easily fit into my mATX ASUS P5Q-EM. When I did get it to fit, I could only use 3 of the 4 memory slots.

Other Thoughts: After install, I noticed the Ninja-mini was noisy; I reviewed and realized it had a 3-pin connector and thus was operating at the full 2300 RPMs. While SilentPC review considered this low noise, my experience is that noise was much higher than necessary. Should've had a 4-pin connector. Second issue, was the 4 plastic pins became disengaged from the motherboard and ninja had poor contact with the CPU, resulting in high temp operation. This is endemic to many coolers since they all have similar mounting. My solution: I replaced this with a Coolermaster Gemini S which mounts from back of motherboard (requires removing motherboard so it is a pain), but much more secure. Fan has 4-pins so less noisy. Ninja-mini is probably an OK cooler, maybe even good. For me, it was too noisy, didn't easily fit into my system, and prevented using all memory slots on my Asus P5Q-EM.

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Ownership: 1 month to 1 year
Verified Owner
5/ 5

Pros: Works great, its in a very limited space and doesn't get much fresh air flow, during long games of crysis, fear, and combat arms, it has never gotten over 44 deg C, and i keep my house at 82 deg F, so i think that's doing very good. at idle its stays at 32 deg C.

Cons: Thought i was going to break the motherboard in half when i was installing it, VERY scary, very tight fit, maybe that's why it works so good

Other Thoughts: I'm running AMD athlon 64 X2 5400 brisbane 2.8ghz clocked @ 3.2 ghz 4 gigs of mushkin ram on a BIOSTAR TFORCE TA790GX mobo and a total of 5 80mm fans, two in front, 2 back and the one that came with the scythe all in some cheap case that has this little slot under the front of the case for air inlet, and some power supply that has 2 fans in it,came with the case nothing special about it

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Ownership: 1 month to 1 year
Verified Owner
5/ 5
good cpu cooler

Pros: cools my 9950 AMD black very well im at 3.2g
I have 4g ocz ram at 1066 A 4870 ati very fast

Cons: big.

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Ownership: 1 month to 1 year
Verified Owner
3/ 5
Good for smaller cases, bad AM2 mount

Pros: Excellent heatsink for it's size, as other reviews state it's almost custom designed for the Antec NSK2480/Media Fusion 430 HTPC cases. It's good for cooling CPU's at their rated speeds in smaller cases with no fan (just make sure you get some airflow over it from other case fans) or even mild overclocking if you attach the fan to it. If you are looking for a solid, silent performer for a media center case that's at least 3u in height you could do much worse. Not a con, but keep in mind that while this is small it's not truly low-profile; it won't fit in 2u mATX cases like the Lian-Li PC37 series.

The wire clips for the fan don't make much sense at first; search for a picture of one already mounted and it will fall in to place.

If you are using a Fusion 430 or similar case (that have the big 120mm exhaust fans on the sides) and you want quiet operation for HTPC use - and you don't mind the socket AM2 issues outlined below - then this may be the perfect cooler for you.

Cons: The instructions that come with the fan might as well be written in Sanskrit for all the good they do. The included fan isn't the quietest either - if you are planning on using a fan at all with this, buy a better one . However if you are planning on using a fan you are IMHO missing the point of it - you should really get another cooler like the Zalman 9700. This thing is designed for smaller HTPC cases that you want as quiet as possible.

Those problems pale in comparison to the socket AM2 mounting system. I've installed a lot of aftermarket coolers on AM2/AM2+ setups in the past year and this is by far the worst. How Scythe managed to take the standard AM2 mounting system, normally the easiest attachment system out there, and turn it in to something as bad as the worst socket 775 clip is beyond me.

Other Thoughts: I advise anyone mounting this heatsink to do so before you mount the motherboard in the case, and if it's already mounted, take it out. It's still a PITA but at least it's doable; on two boards I tried it on mounting it inside the case proved near-impossible. After you figure out, through trial and error, which of the 3 clip positions to adjust it to for your setup (and it's not obvious at first that you can even do so), you then have to more or less slide the thing back and forth while holding the clips down with your thumbs (which are jammed under the low-clearance bottom). Even then, you may think you have it attached, only to find out it's not on tight enough (usually when you boot up and see your temps go through the roof). There are also reports of users installing this and actually breaking their mounts for being too tight.

Installing this thing is an art, not science. Bottom line, if you have an AM2/+ setup don't go in thinking installation is going to be a piece of cake.

2 out of 2 people found this review helpful. Did you?
Ownership: more than 1 year
Verified Owner
5/ 5
Perfect fit, Antec NSK2480

Pros: Perfect fit for my Antec NSK2480 case
Passive cooling - adjacent 120mm case fan suffices

Cons: Mounting bracket (tho' effective) is a PITA

Other Thoughts: ECS GF7100PVT-M3
Intel CoreDuo E4500, slightly OC'd (+33%)

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Ownership: 1 month to 1 year
5/ 5
Mini(?) Ninja

Pros: Very, very quiet, especially compared to the stock AM2 cooler. Cooling is about what you would expect, it doesn't cool a whole ton better than the stock cooler, but who cares when you can't hear the thing running.

Cons: It's a little big, bigger than one might expect since it's called a 'mini'. I have a mid size tower (Raidmax Smilodon) and it fits in there with a bit of finagling.

Other Thoughts: I bought this because I really didn't like the constant noise coming from the stock AMD cooler. I have a Athlon x2 6000+, so it can get hot. This cooler works very, very well and the sound of the fan running is barely audible. I like it lots.

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Ownership: 1 month to 1 year
Verified Owner
5/ 5
Great Passive Cooler

Pros: Plenty of cooling surface and easy installation on AM2 system. Case fans move enough air to keep processor temps at idle in the low 30's C and 40's C under load.

Cons: Size if you use a small case: If this is the MiniNinja, how big is the regular Ninja?

Other Thoughts: I am using this in an Antec Fusion 430 HTPC case and it has about 1/4" clearance between the the top of the sink and the case. I am very impressed with the cooling ability of this product and would gladly recommend it if your case has enough room.

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