This is the Cooling Fan for Thinkpad E480 E580 E485 E585 E490 E495 E590 E595 with UMA or Discrete Graphics Laptop series, this is the cooling fan for CPU processor. 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, NO soldering is required, attaches to your existing heatsink. Compatible Part Number(s): EG50050S1-CC10-S9A, BAZA0706R5H-Y002, ND75C30-18E09 Compatible FRU: 02DL822, 02DL823 Direct Current: DC 5V / 0.5A, 2.25W Cable overall Length approx: 3.10cm/1.20-inches Power Connection: 4-Pins 4-Wires, Wire-to-Board Reference list of compatible with models: - ThinkPad E590 (20NB/20NC) - ThinkPad E580 (20KS/20KT) - ThinkPad E490 (20N8/20N9) - ThinkPad E480 (20KQ/20KN) - ThinkPad E595 (20KV) - ThinkPad E585 (20KV) - ThinkPad E495 (20NE) - ThinkPad E485 (20KU) What's in the box: 1x CPU Cooling Fan 1x Thermal Greases