OEM Cooling Fan for the EliteBook 850 G7 855 G7 HSN-I41C-5 laptop series with UMA graphics, 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 4-pin connector making it a plug and play replacement module, NO soldering is required. SPS #: M05261-001 Manufacturer Part Number(s): 6033B0078301, EG75050S1-1C021-S9A Wire overall Length approx: 3.00 cm/1.20-inches Power Connection: 4 wires, 4 Pins Direct Current: 5V Ampere: 0.5A/0.45A Life Time of the fan: 100000 HRs Fan Speed ​​Control: 3500 RPM(Auto) Reference list of compatible with HSN-I41C-5: - EliteBook 850 G7 - EliteBook 855 G7 - EliteBook 840 G8 - ZBook Firefly 15 G7 What's in the box: 1x CPU Cooling Fan 1x Thermal Greases