FEBNISCTE New CPU Cooling Fan for HP ProBook 4520s 4525s 4720s series laptop. SUNON MF60120V1-Q020-S9A K0504E. Brand new and high quality for HP ProBook 4520s 4525s 4720s series laptop Compatible with HP ProBook : 4520s 4525s 4720s series, SUNON MF60120V1-Q020-S9A K0504E Warm Tips: please check the picture with your original fan before placing a order