100% High Quality HP ProBook 440 G3 Laptop CPU Fan 837296-001 Specification: Brand New HP ProBook 440 G3 Laptop CPU Fan Package Content: 1x CPU Cooling Fan Type: Laptop CPU Fan Part Number: 837296-001 Power: DC5V 0.5A Bare Fan Condition: Original and Brand New Warranty: 3 months Info: 4-wire 4-pin connector Remark: Tested to be 100% working properly，No noise. Availability: in stock