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Discussion Starter · #21 ·
If anyone is in need of a replacement for the JMC 8025-12LS fan which is installed under the hard drive in its mounting bracket, I wasn't able to find a direct replacement which doesn't ship from China. I did find this Noctura NF-R8 fan on Amazon which has very similar specs at 1800RPM. I couldn't verify air volume matches but this one comes in slightly below the JMC fan which runs at 12V 0.13A = 1.54W and the Noctura draws 0.11A so 1.33W which will be safe.

The pins on the Noctura 3-pin connector which would connect to the HD20 main board have power and ground in the wrong spots. I moved ground to the middle and like the results.The fan is almost silent and has been keeping the internal temp below 110F (43C). I'll monitor for a few days and post if the fan causes problems but I think this is a good replacement.

Noctua NF-R8 redux-1800, High Performance Cooling Fan, 3-Pin, 1800 RPM (80mm, Grey)
 
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