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Scythe Ninja 3 REV.B CPU Cooler W/120MM Adjustable Fan LGA2011/1366/1156/775/AM2/AM3/FM1/940

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Scythe Ninja 3 REV.B CPU Cooler W/120MM Adjustable Fan LGA2011/1366/1156/775/AM2/AM3/FM1/940 - 1
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Scythe Ninja 3 REV.B CPU Cooler W/120MM Adjustable Fan LGA2011/1366/1156/775/AM2/AM3/FM1/940 - 66260_l.jpg Scythe Ninja 3 REV.B CPU Cooler W/120MM Adjustable Fan LGA2011/1366/1156/775/AM2/AM3/FM1/940 - 66260_1.jpg Customer Photos (0)
Reg. Price: $54.99  CAD
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Part #: SCNJ-3100

SKU: 66260
Shipping Weight: 3 lbs
Shipping estimate: $5.99*
*Via NCIX selected courier.

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Customer Reviews of Scythe SCNJ-3100

Product reviews on NCIX.com are screened for relevance and inappropriate content. Reviews may contain inaccurate information about the product. If there is a discrepancy, please use the Flag this Review link located beside each review. Reviews are not an endorsement expressed by NCIX.com, but opinions from customers based on their own experience with a product. We do not recommend you make purchasing decisions based on facts or opinions expressed regarding Scythe SCNJ-3100 reviews.
Experience: 5 Days


-Looks really great
-30 degrees idle, 60 degree max load u i5-760 3.9ghz
-Tough to install.
-Mount fan is clumsy
The Scythe Ninja 3 rev b is a really good cooler. The part was my first ever after-market cooler and the difference is night and day. I am using the stock paste however I would recommend using and after-market paste for better results. There is a video online that will show you how to properly install. Make sure you keep track of all your screws!
Works great. Nice product

Experience: 90 Days


great cooling for a great sale price
none so far
large size heatsink for great cooling.fan is strong and loud at full speed

Experience: 1 Months


Excellent value for money
Great cooling
Very quiet
A somewhat complicated install for those who are used to pushpin heatsinks (such as myself)
Excellent cooler. I had never installed an aftermarket cooler like this before, and it was nowhere near as difficult as some people made it out to be. It still took me a while, and removing the motherboard was a bit of a pain. At the lowest fan setting, the cooler is completely quiet, and my overclocked Haswell cpu dropped from 90C at load to 50C, and from 55C at idle to 23C. An excellent value for the money as long as you have the clearance in your case to accommodate the size. Also, you might want to install your RAM in the slot under the heatsink if you think you might want to add more ram at a later date.

Experience: 2 Days


Noctua level Performance, Looks, Near-Silent, Great price
Sharp edges, Terrible mounting, Blocks Ram slot #1 on z87-ud3h (for high-profile)
If it is your dream to bleed and sweat while building a rig then this is the cooler for you! I've installed scythe's before but this one takes the cake. The amd mounting system for it looks alright but because I belong to team blue I was left with a bloody knuckle and a sweaty brow by the time I BOLTED this thing to my board. It will never be removed. Idle temp of 30 C on a 95w haswell.

This review was modfied by poster @ 12-31-13 12:20 PM

Experience: 1 Months


Huge cooling for the money! Tried it out as a passive cooler for an e8400, and it was better than the stock copper base cooler.
Mounting could be better.
It really does work well, but you have to watch the mounting on this thing. It can warp a motherboard. I had to swap motherboards for it to work. If you have the patience, and the time, and mount it perfectly, it is very effective.

Experience: 2 Days


Very quiet
Fan controller
Takes up space
Ordered this bad boy for one of my computers. It fits well but after few tweaks inside my computer despite the low profile RAM it takes up a lot of space.

Its very quiet and with the fan controller it gives an advantage. Have overclocked my i5 2500K to 4.0Ghz and its perfectly fine temp wise.

Experience: 1 Years


Works as a passive cooler too when using the CPU at stock settings
Sharp edges! Can be tough to fit inside a case, but it's big for a reason!
I purchased this to replace the stock Intel HSF for a Core2Duo in my server. I wanted something that could operate passively if required, and in this case, it worked perfectly! My Core2Duo operated at 34'C with the Intel HSF, and with this cooler, I have 28'C, WITHOUT A FAN!

Product Videos [ Edit ]

Features [ Edit | History ]


The third edition of the Ninja CPU cooler comes along with a revised high-performance design. The Ninja 3 CPU cooler comes with eight u-shaped heat pipes and an optimized fin structure named M.A.P.S. (Multiple Airflow Pass-Through Structure). The airflow generated by the Scythe Slip Stream 120 PWM adjustable fan can effectively cool the heatsink. Users can choose the fully automatic PWM feature fan speed control or alternatively adjust the PWM band range for tuning purposes. Several features make this cooler the perfect solution for silent users and overclockers! For LGA2011 users, attachment screws are included - for other supported sockets F.M.S.B.4 Back-Plate system provides a safe cooler mounting, guaranteed!
Quick Specs:
Air Flow 1 x 110.3 CFM
Application/Usage Processor
Package Contents
  • Ninja 3 Rev. B (SCNJ-3100)
  • Mounting Screws
Material Nickel Plated Copper Base
Fan Diameter 1 x 120 mm
Weight (Approximate) 1.50 lb
Height 5"
Width 5"
Number of Fans 1
Heatsink Height 6.30"
Heatsink Width 4.72"
Heatsink Depth 4.72"
Compatible Processor Socket Socket AM3+ Socket FM1 Socket FM2 Socket FM2+ Socket AM3 PGA-941 Socket AM2+ PGA-940 Socket AM2 PGA-940 Socket 940 Socket 939 Socket PGA-754 Socket B LGA-1366 Socket H LGA-1156 Socket H2 LGA-1155 Socket H3 LGA-1150 Socket T LGA-775 Socket R LGA-2011
Fan Speed (rpm) 1 x 1900 rpm

Specifications [ Edit | History ]

Fan Information  
     Air Flow: 1 x 110.3 CFM
     Fan Speed (rpm): 1 x 1900 rpm
     Number of Fans: 1
General Information  
     Brand Name: Scythe
     Manufacturer: Scythe Co., Ltd
     Manufacturer Part Number: SCNJ-3100
     Manufacturer Website Address: https://www.scythe-usa.com
     Product Line: Ninja 3
     Product Model: SCNJ-3100
     Product Name: Ninja 3 Rev. B (SCNJ-3100)
     Product Type: Cooling Fan/Heatsink
Heatsink Information  
     Compatible Processor Socket: Socket R LGA-2011
Socket T LGA-775
Socket H3 LGA-1150
Socket H2 LGA-1155
Socket H LGA-1156
Socket B LGA-1366
Socket PGA-754
Socket 939
Socket 940
Socket AM2 PGA-940
Socket AM2+ PGA-940
Socket AM3 PGA-941
Socket AM3+
Socket FM1
Socket FM2
Socket FM2+
     Mount Type: Screw Mount
     Number of Heat Pipes: 8
     Application/Usage: Processor
     Package Contents:
  • Ninja 3 Rev. B (SCNJ-3100)
  • Mounting Screws

Physical Characteristics  
     Fan Diameter: 1 x 120 mm
     Heatsink Depth: 4.72"
     Heatsink Height: 6.30"
     Heatsink Width: 4.72"
     Height: 5"
     Material: Nickel Plated Copper Base
     Weight (Approximate): 1.50 lb
     Width: 5"
Power Description  
     Input Voltage: 12 V DC

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