Scythe Ashura CPU Cooler

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The Scythe Ashura is composed of 50 aluminum fins friction-fit to six 6 mm thick copper heatpipes, which are in turn soldered to a nickel-plated copper base. According to our measurements, the heatsink's dimensions are 16.3 x 14.5 x 6.5 cm and its weight is 770 grams (920 grams including the fan).

Compared to the Mugen 4, the Ashura's layout looks more restrictive to airflow. The heatpipes are arranged in six rows rather than four and the fins are uniform rather than having strategically placed gaps to reduce impedance. The fins are also substantially thicker at 0.43 mm, though they are spaced at wider 1.93 mm intervals.

Measuring 65 mm across, the Ashura is only about three quarters as wide as the Mugen 4. It's not a symmetrical heatsink either, with the base shifted over to one side.

Helping keep the Ashura together is a thick black plate on the top with the Scythe logo printed at the center.

The face of heatsink has slightly wavy contours. Its surface is inset to accommodate a square 140 mm fan.

The base looks like it has been ground down using a circular sander, leaving a hole at the center. The surface is convex — the point in the middle is actually the apex.

The stock fan is larger than the Mugen 4's, a 1300 RPM PWM variant of Scythe's Glide Stream 140 series.

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