This is a OEM Cooling Fan for Elitedesk 800 G3 ProDesk Mini 600 400 G3 Desktop mini PC series, this is the cooling fan for SATA Hard Drive, NOT fit for CPU processor, and keep your system running at maximum efficiency and minimizing costly downtime and repairs. for Service P/N: 914256-001 L21471-001 Manufacturer Part Number(s): FL3F DFS150305BD0T NS65B07-16F09 NOTE: The Screw NOt included, Please retain the original screw for the installation of this part. Specifications: Direct Current: DC 5V / 0.5A, 2.25W Color: Silver Power Connection: 4-pin 4-wire, Wire-to-Board Cable overall Length approx.: 6.30 cm/2.50-inches Status: BRAND NEW and Unused from OEM factory, NOT a Third-Party Fan. Reference list of compatible with Desktop models: - Elitedesk 800 G3 - Elitedesk 800 G4 - Elitedesk 800 G5 - Elitedesk 704 G4 - Elitedesk 705 G4 - ProDesk Mini 600 G3 - ProDesk Mini 400 G3 What's in the box: 1x HDD Cooling Fan 1x Thermal Grease