With added input capacity of 550 sheets and media flexibility, this accessory supports greater productivity and less printer management. Have different print media ready in the printer when you need it, and print up to 850 pages without reloading. Accessory Type: Feeder Tray Dimensions: 11 9/50" x 19 57/100" x 22 95/100" For Use With: HP Color LaserJet Pro M452 Series Sheet Capacity: 550.