This is a replacement rear case fan for the Dell small form factor computer. This case fan was pulled from a working PC and has been fully tested to make sure that it is working perfectly.
Everything sold by Discount Electronics carries a 90 Day Warranty!
Replaces Dell Part Numbers 99GRF
Compatible Small Form Factor Dell Models: Optiplex 390, 790, and 990
Moves air well, but very noisy. Constant humming.