HP C2788A - Rail kit - Includes one pair of rails, four mounting screws, and four sheet metal nuts - Used to mount items in HP 19-inch EIA racks Retail
HP 5063-8522 - Power supply accessory kit - Includes two rack mount ears, four rack mount screws, and four power supply mount screws Retail
HP 150213-B21 - Tower to rack conversion kit - Includes two handles, two mounting plates, and four screws Retail