OEM Cage Cooling Fan for Optiplex 390 790 990 SFF MT Tower Desktop series, this is the cooling fan for REAR & FRONT side of Cage, ONE FAN enough for ONE PC. If your PC fan is running very loud or not functioning then a replacement may be needed. The fan uses an integrated flex cable to connect to the motherboard. The cable connects via 5-pin connector making it a plug and play replacement module. Brand NEW and GENUINE from OEM Factory that has never been used if you PURCHASING from DEAL4GO, NOT a PULLED parts. D P/N: 725Y7, 0725Y7; MPNKK, 0MPNKK; 7G45T, 07G45T; 42X60, 042X60; W52D3, 0W52D3 Alt's P/N: DASA0820R2U, MF80201VX-Q010-S99, PVA080F12H, AUB0812HHD Cable overall Length approx: 13.0 cm/5.10-inches Direct Current: DC 12V/0.6A, 52.9 CFM Min Connector type: 5-pin 4-wires (Fit 4-pin), Wire-to-Board Dimensions (LxWxH): 8.0 x 8.0 x 2.0 cm / 3.15 x 3.15 x 0.8 inch Reference list of compatible with Desktop models: Optiplex 390 Small Form Factor Optiplex 790 Small Form Factor Optiplex 990 Small Form Factor Optiplex 7010 Small Form Factor Optiplex 9020 Small Form Factor Optiplex T1700 Small Form Factor Optiplex XE2 Small Form Factor