The HP Workstation XW4600 P/N: 453580-001 CPU Heatsink & Fan is a high-quality cooling solution designed specifically for LGA775 Socket CPUs. Featuring a 4-Pin power connection and made of aluminium/copper material, this fan effectively dissipates heat to keep your computer running smoothly. The sleek silver design adds a stylish touch to your system while ensuring optimal performance and reliability. Ideal for HP customers looking to upgrade or replace their existing CPU cooling system, this product is a top choice for those seeking superior cooling efficiency.