This is the CPU Cooling Fan for Dell Latitude 7310 7410 P33S P131G laptop series, NOT FIT for Latitude 7310 7410 2-in-1 version. 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, attaches to your existing heatsink. Compatible D P/N: 3NVJ1, 03NVJ1 Compatible Part Number(s): FM95 DFS150705B80T, EG50040S1-CJ50-S9A, DC28000PUSL Direct Current: DC 5V / 0.31A, 2.3 CFM Wire Length approx: 3.10 cm/1.25-inches 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 models: - Latitude 7310 (E7310) - Latitude 7410 (E7410) What's in the box: 1x CPU Cooling Fan 1x Thermal Greases