HP D8550-63001 - Battery backup module kit - Includes battery module, 15-pin (F) to 15-pin (F) 9.5cm (3.8-inch) cable, 15-pin (F) to 15-pin (F) 40cm (15.5-inch) cable, and installation guide - (D8550A) Retail
HP D8228-63044 - Hard drive adapter tray kit (Flint Gray) - For mounting 3.5-inch hard drive in 5.25-inch drive bay slot - Includes tray, front bezel, and status cable with LED Retail
HP 212431-B21 - NC6136 Gigabit server 1000Base SX network interface card (NIC) - 32/64-bit, 66MHz - Has one external fiber-optic duplex SC port and two indicator LEDs - Occupies one PCI 2.2 slot Retail
