Need suggestion on CPU fan/heatsink for Opteron (K8)

hobbnet

Member
Dec 10, 2001
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We have a Tyan Thunder Quad Board (S4882). For some reason, the CPU fan does not register the RPMs of the CPU if it spins below a certain speed on CPU 2,3.

I need a CPU Fan/Heatsink that meets the following:

Spins greater than 3000RPM to be safe (2700 RPM is probably ok)
No bigger than 80mm (w) x 80mm (l)

Don't care about noise and that other stuff.

Thanks in advance