HP D8550A - 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 Retail
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 12154-69005 - Battery backup board - Battery Backup Bd (in Slot 16: Occupies 14,15,& 16)(12154A) Retail