OEM Cooling Fan for the ProBook 440 G5 G4 HSN-Q08C series laptop, this is the cooling fan for CPU processor, attaches to your existing heatsink. 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. Spare Part Number(s): L03613-001, L01088-001, L36415-001, L03611-001, 905706-001, 912392-001 Compatible Part Number(s): DTA47X8BTP202A0D223, NS75B00-17A18, NS75B14-17M14, NS75B00-15M22, 0FHMU0000H Direct Current: DC 5V / 0.5A, 2.5W Power Connection: 4-pin 4-Wires, Wire-to-Board NOTE: The Screw NOt included, Please retain the original screw for the installation of this part. Reference list of compatible with HSN-Q08C: ProBook 440 G4 ProBook 440 G5 ProBook 445 G4 ProBook 445 G5 ZHAN 66 Pro G1