Power Option # Manufacturing Part # Description Previous Part # X8026A-Z [S] 300-1945 3 [C] 550 Watt, Type A203, AC Input Power Supply, RoHS:YL n/a X8051A-Z [S] 300-2006 [C] DC -48VDC 550W Power Supply (Type D193), RoHS:YL n/a X8052A-Z [S] 300-1848 4 [C] 550 Watt, Type A214 Power Supply, RoHS:YL n/a n/a 501-6920 [F] Power Distribution Board, RoHS:YL System Board Option # Manufacturing Part # Description Previous Part # n/a 501-7668 [F] Motherboard, RoHS:YL n/a 150-3993 [C] Panasonic BR2032 Battery, RoHS:Y n/a n/a 501-7988 [F] BUY Motherboard, RoHS:YL n/a 150-3993 [C] Panasonic BR2032 Battery, RoHS:Y Fibre Channel Option # Manufacturing Part # Description Previous Part # SG-XPCIE1FC-EM4 BUY 375-3396 [C] 4Gigabit/Sec PCI Express Single FC Host Adapter, RoHS:Y n/a SG-XPCIE1FC-EM8-Z BUY 371-4295 [C] 8Gigabit/Sec PCI Express Single FC Host Adapter, RoHS:Y n/a SG-XPCIE1FC-QF4 BUY 375-3355 [C] 4Gigabit/Sec PCI Express Single FC Host Adapter, RoHS:Y n/a SG-XPCIE1FC-QF8-Z BUY 371-4324 [C] 8Gigabit/Sec PCI Express Single FC Host Adapter, RoHS:Y n/a SG-XPCIE2FC-EM4 BUY 375-3397 [C] 4Gigabit/Sec PCI Express Dual FC Host Adapter, RoHS:Y n/a SG-XPCIE2FC-EM8-Z BUY 371-4306 [C] 8Gigabit/Sec PCI Express Dual FC Host Adapter, RoHS:Y n/a SG-XPCIE2FC-QF4 BUY 375-3356 [C] 4Gigabit/Sec PCI Express Dual FC Host Adapter, RoHS:Y n/a SG-XPCIE2FC-QF8-Z BUY 371-4325 [C] 8Gigabit/Sec PCI Express Dual FC Host Adapter, RoHS:Y