we are professional manufaturer for CPU cooler fan,they have high quality and low price.we have different socket. About the products: product style:DI4-8JD3B-R1 surport CPU:P4 Northwood 3.2GHZ;P4 Precott 3.2GHZ;P4 Celeron 2.8GHZ Celeron-D all series heatsink size:85?0?5mm fan size:80?0?5 mm speed:2200?0% RPM heatsink material volent:12V noise:23.2~28.2 dB(A)