for Genuine Dell original OEM Left-side cooling fan, compatible with the Dell XPS 15 (9500) and Precision 5550 laptops. This fan is cools the CPU Processor side of the heatsink.

for Dell laptops/notebooks,XPS 15 (9500),Precision 5550.

P/N: 09RK6, 009RK6

DC 5V - 0.38A
4.5CFM

Alternate P/N: 
DC2800OSSL
DC28000SSL

Note: This is the LEFT-Side CPU Processor cooling fan. There are two fans for the above systems- be sure to match your part number;