ASUS Silent Knight AL CPU Fan - 90-PN582CM-00000 - Buy.com $15 Mail in Rebate
Excellent Performance for Quad-Core CPUs:
Silent Knight AL incorporated Six copper heatpipes and aluminum fins ensure excellent heat dissipation for maximum cooling performance
Universal Application:
The Silent Knight AL supports the Intel® Core™2 Extreme/ Core™2 Quad (Quad-Core) CPU, Intel® Pentium® 4 LGA775 & AMD Athlon™ 64 X2 Dual-Core CPU, AMD Athlon™ 64(-FX) (939/940/AM2)
Best Balance between Performance and Acoustic:
PWM function automatically adjusts rotation speed according to CPU temperature and delivers a quiet cooling at a mere 25dBA
Reliable:
The fan positioned inside the frame and VRM shield guides cool air to critical components around the CPU for stable operation
Why Thermal Matters:
- Every 10°C up from 70°C will reduce CPU life time for about 1 year (Source: Intel)
- Every 10°C up from 120°C will reduce VR life time for about 50%
- Temperature over 100°C will cause Capacitors leakage or burned abnormally
- That´s why a good thermal solution makes system more stable and extends components´ life
ASUS Silent Knight AL CPU Fan $30 AR FS 
