Manufacturer: HP Inc. Manufacturer Part Number: 56Q81AA. Brand Name: HP. Product Name: Cooling Fan. Packaged Quantity: 1. Product Type: Cooling Fan. [Physical Characteristics] Height: 5.4". Width: 6.5". Depth: 10". Weight (Approximate): 14.89 oz. [Miscellaneous] Compatibility: HP Z4 G5 Workstation Desktop PC. Application/Usage: PC. Desktop Computer. [Warranty] Limited Warranty: 1 Year.