This is the CPU Cooling Fan for Dell Inspir0n 5410 5415 5418 5518 7415(2-in-1) and Vostro 5510 5515 series laptop with U-type CPU processor, and with Intel integrated Graphics UMA. 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 mainboard. The cable connects via 4-pin connector making it a plug and play replacement module, NO soldering is required, attaches to your existing heatsink. D P/N: KRK6P, 0KRK6P, CN-0KRK6P Manufacturer Part Number(s): EG50050S1-CH90-S9A, 023.100NB.0011, 023.100NB.0001, 023.100NB.0031 Specifications: Direct Current: DC 5V / 0.6A, 2.0W, 4.1 CFM; REV: A00 Color: Black Connection: 4-pin 4-wire, plug-in Wire Length: 3.10 cm/1.30-inch Reference list of compatible with Dell Laptop Models: - Inspir0n 14 5410 - Inspir0n 14 5415 - Inspir0n 14 5418 - Inspir0n 14 7415 (2-in-1) - Inspir0n 15 5518 - Vostro 15 5510 - Vostro 15 5515 What's in the Box 1x CPU Cooling Fan (NO thermal paste)