Silent Solution Kit The Silent Solution from FSP is a complete solution for minimising the noise level of the computer systems. This is achieved by replacing those components, which generate the most amount of noise, with near silent equivalent.   The Ultimate silent solution in one box   FSP Power Supply   Silent design (<25dB) Manually variable airflow on thermal controlled 12cm fan Supports all Intel P4 and AMD Athlon XP XPUs Complete output protection       FSP CPU Cooler   Silent Design (<30dB) Thermal controlled fan with 29.8CFM airflow Aluminium heat sink with copper base       FSP System Fan   Silent design (22~22.6dB) Thermal controlled fan with 21.4CFM airflow Dimension: 92mm x 92mm x 25mm         Overall Acoustic Performance System Condition Idle <30dB Maximum Load <35dB       FSP CPU Cooler Compatible List           INTEL Processor ( Socket 478) Celeron Pentium 4 Idle Mode 2250RPM UP to 3.06G Full Run Mode 3200RPM         AMD Processor ( Socket 462) Duron Athlon / Athlon XP Idle Mode 2500RPM UP to 3000+ Full Run Mode 3200RPM