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SANYO DENKI Develops 60 × 60 × 76 mm Long Life Counter Rotating Fan With the Highest Static Pressure in the Industry | Electronics Cooling
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Amazon.com: Supermicro 178652 Fan Fan-0156l4 13-11k Rpm 40x40x56mm Counter-rotating Fan Retail : Electronics
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Counter rotating fan mod with Artic and scythe fan on wraith prism 26.5c ambient max temp 30 mins of r23 66.7c pbo disabled. On stock prism it was 73c max rpm with
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