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Reviews - Featured Reviews: Cooling
Written by Olin Coles   
Wednesday, 06 January 2010
Table of Contents: Page Index
Best CPU Cooler Performance AMD Socket AM3 Preview
Thermally Conductive Element Reference
Scythe Kabuto SCKBT-1000
Scythe Mugen-2 SCMG-2000
Spire TherMax II
Tuniq Tower 120 Extreme
Xigmatek Thor's Hammer
ZEROtherm Nirvana NV120 PWM Premium
Cooler Surface Preparations
Cooler Test Methodology
Test Results: Stock Cooling Fan
Test Results: High-Output Fan

Scythe Mugen-2 SCMG-2000

Scythe has been a premium brand name in the aftermarket cooling industry for many years now, and has earned a reputation among enthusiast and overclockers for their giant-sized cooling solutions. The Scythe Mugen 2 is one of the largest air-cooled heatsinks Benchmark Reviews has tested... at least since the original Scythe Mugen Infinity project. Aside from splitting the heatsink into five smaller groups of fins, these two coolers share almost identical design.

The Scythe Mugen 2 includes a single Scythe Slip-Stream cooling fan, but the large SCMG-2000 unit can accommodate two 120mm cooling fans total (presuming the enclosure will support the area needed). Although the Mugen 2 utilizes a high-pressure bolt-through mounting system, the entire LGA1366 socket assembly needed to be removed in order to facilitate heatsink installation.

Similar to other Scythe coolers, the Mugen-II SCMG-2000 is really one heatsink atop another. A solid aluminum heatsink venting up from the base is connected by five large-gauge heatpipe rods to a group of five aluminum finsinks. Each finsink segment helps to separate the heat-pipe rods, and isolate heat distribution. How effective this concept is over the previous design will soon be revealed. The Scythe Mugen 2 SCMG-2000 kit is available at NewEgg for $34.99.

EDITOR'S NOTE: The Scythe Mugen-2 Revision B model SCMG-2100 heatsink is identical to the first version, model SCMG-2000. The only difference is that Mugen-2 Rev. B uses a newly developed F.M.S.B. (Flip Mount Super Back-Plate) for more convenient mounting onto the motherboard. There should not be any cooling performance between these two models, despite marketing hype.


Long expected and now finally here: Scythe Mugen 2 CPU cooler is the consistent further development of the award-winning Mugen CPU cooler. Several features make this cooler the perfect solution for silent users and overclockers! In a nearly 1-year development period, the concept of Mugen was completely revised and further developed. Mugen 2 is on the latest state of technology and was produced using highest Japanese quality standards.

Scythe Mugen 2 Features

  • F.M.S.B. (Flip Mount Super Back-Plate)
    The newly developed F.M.S.B. (Flip Mount Super Back-Plate) both improves the compatibility and mounting of the cooler with the motherboard. With this system, a solution was developed which is not using push pins but is instead based on a Back Plate/screws mounting set. Of course, Mugen 2 is compatible with all the current sockets, including the new Intel Socket LGA1366.
  • Multi Fan Mount Structure
    As with the former Mugen it is possible to mount the supplied fan in four different directions. By this, the user can arrange the air flow to the circumstances of his deployment area. Furthermore, a maximum of 4 fans be installed, the needed fan clips have to be bought separately.
  • M.A.P.S. (Multiple Airflow Pass-Through Structure)
    The newly developed M.A.P.S. (Multiple Airflow pass-through structure) is a completely new lamellar structure, where the airflow generated by the Scythe Slip Stream 120 mm PWM fan can be used perfectly

SCMG-2000 Specifications

Name: MUGEN-2
Model: SCMG-2000
Manufacturer: Scythe Co., Ltd. Japan
Heatsink Dimension: 130 x 100 x 158 mm
51.2 x 39.4 x 62.2 inch
Weight: 870 g
30.7 lb
Baseplate-Material: Nickel-plated copper
Fan Dimension: 120 x 120 x 25 mm
4 3/4 x 4 3/4 x 1 inch
Weight: 115 g
0.25 lb
Speed: 324 ~ 1,200 rpm (±10%)
PWM Function
Noise Level: 0 - 26.50 dBA
Air Flow 0 - 74.25 CFM
0 - 126 m³/h
Bearing: Sleeve Bearing


About Scythe USA

So who is Scythe? What do they do? Many of you are asking this question while surfing our website. Scythe Co., Ltd. (Registered & incorporated in Tokyo Japan) originally started in Akihabara Electric Town located in Tokyo Japan, where visitors can find the latest electric products from computer parts and accessories to the world's most advanced cellular phones with video camera capabilities, small displays and the ability to play movies!

Scythe Co., Ltd., began its operation and business in November, 2002 as a distributor and manufacture of PC parts & gaming devices for "DIY PC Experts!". For more information about Scythe Japan HQ, please visit the website at: (If you read Japanese!). Scythe's first venture was to manufacture a super powerful YET super quiet CPU cooler (Scythe Kamakaze CPU cooler), and with the great success of this Kamakaze CPU cooler, Scythe became recognized as the leading CPU cooler supplier in Japan's Akihabara Electric Town. Shortly there after, due to popular demand, Scythe began exporting products all over the world.

In April of 2004 Scythe USA began local operations by establishing an office in Northern California. In October of 2004 Scythe USA moved operations to LA in order to work more closely with manufactures and streamline logistics to better service our US based partners. Have you seen/heard anything interesting, from Japan's Akihabara electric town that you'd like us to import to the US? Let us know! We'd love to hear from you!



# RE: Best CPU Cooler Performance AMD Socket AM3 PreviewTFT 2010-02-17 17:11
Elements Thermal Conductance Research has not completed yet.
It lack the elements release rate into the air when heat stop provided to the element.
Nor has the chill factor when contacted with a reference element/cooper.
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# PaulyPaul Letteri 2010-03-12 05:29
Hello It would be most helpfull of listing what motherboards would work with these based on experience and feedback. also the dimentions espially from the mount to under the 1st fin for many of us with denominator type memory have problems with clearance .
I would also like to mention I have a 770usb3 Gigabyte board and it is very disturbing that their engineers did not give a least 65mm from center of the cpu for the % is very high for coolers with 120mm fans
especially for over clockers such as myself. thank you and good work on your testing reports , Paul.
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