Scythe Ninja 2: Tweaking a Classic

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Scythe Ninja 2: Tweaking A Classic

December 5, 2008 by Lawrence Lee

Scythe Ninja 2
LGA775/K8/S478 CPU Cooler
Street Price

Though many excellent heatsinks have passed through the lab over the years, we still have a soft spot for the original Scythe Ninja. It may be the nostalgia associated with the excitement we felt about its unprecendented performance at the time, or it could simply be how it looks. There's something about its uniform design that tugs at our geeky heart-strings. Despite its girth, it came off as elegant and unpresumptious. It didn't have staggered fins or heatpipes curving every which way or claim in engrish to have reinvented thermodynamics — it just was.

Since then there have been many incarnations of the Ninja. The Ninja Plus included a fan. The Ninja Plus Rev.B added AM2 support and LGA775 push-pin mounting (unfortunately). The Ninja Mini was a cut-down version for smaller cases. The Ninja Copper was even heavier than the original, prompting Scythe to re-introduce a backplate mount system, and, of course, its shiny copper construction left us mesmerized. Now, Scythe has changed the design enough that they have proclaimed this last Ninja as its true successor, the Ninja 2. Is it worthy of the title?

The usual garish box.

Box contents. The Ninja 2 also ships with a Slip stream fan, but we unfortunately misplaced it during a much needed lab tidy-up.

Scythe Ninja 2: Key Features (from the product web page)
Feature & Brief
Our Comment
Improved Performance
Performance improvement has accomplished for this version 2 as 5% in fanless operation (TDP 65W at 25C/77F ambient temperature) and 15% in active cooling operation (TDP 130W at 25C/77F ambient temperature).

Fin shape and fin pitch have been also modified to maximize the performance yet making the total dimension and weight to be compact like the former version.
Design changes have increased the fin surface area without extending beyond the original Ninja's dimensions.
Specially Tuned Scythe “Slip Stream” 120mm Case Fan
To have the best optimized fan for Ninja 2 CPU Cooler, Scythe original designed “Slip Stream” 120mm case fan specifically tuned to 1000rpm to maximize the performance and low noise level.
Slip Streams are very smooth sounding fans. This one sits between the 800rpm and 1200rpm models in the retail lineup.
Universal Socket Compatibility with Most Major Sockets
Ninja 2 CPU Cooler is compatible for socket 478/754/939/940/AM2/AM2+ & LGA775. All in one solution for your PC system.
Along with LGA775 and K8 support, Scythe continues to offer S478 compatibility.

Scythe Ninja 2: Specifications
(from the product web page)
Model Name NINJA 2
Model Number SCNJ-2000
Manufacturer Scythe Co., Ltd. Japan
Overall Dimensions 116 x 116 x 152mm /
4.57 x 4.57 x 5.98in
Fan Dimensions 120 x 120 x 25 mm
Fan Speed 1000rpm (±10%)
Fan Noise Level 20.50dBA
Air Flow 52.90CFM
Bearing Type Sleeve Bearing

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