Model No.: A1838 "Silent Boost K8" No. P/N A1838 Fan Speed 2450±10% RPM. COMPATIBILE Opteron & AM2 AM2+ AM3 AM3+ AM4 940 939 754 Athlon64/64FX /Sempron . Thermaltake Silent Boost K8 Heatsink Thermaltake Silent Boost K8 Dissipatore.
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