Power Option # Manufacturing Part # Description Previous Part # n/a 300-1848 [C] 550 Watt, Type A214 Power Supply, RoHS:YL n/a n/a 300-1852 [C] BUY AC Input Power Supply (Type A214), RoHS:YL n/a n/a 375-3302 [F] BUY Power Distribution Board Assembly, RoHS:Y Disks Option # Manufacturing Part # Description Previous Part # XRA-SS2CD-146G10KZ [S] 540-7151 [C] BUY 146GB - 10000 RPM SAS, Disk Assembly with 1 bracket and 1 of the following disks and brackets, RoHS:Y n/a 390-0324 Seagate ST9146802SS [ST914602SSUN146G] (146GB - 10000 RPM - SAS Disk), RoHS:Y n/a 390-0375 Fujitsu MBB2147RC [MBB2147RCSUN146G] (146GB - 10000 RPM - SAS Disk), RoHS:Y n/a 390-0377 Hitachi HUC101414CSS300 [H101414SCSUN146G] (146GB - 10000 RPM - SAS Disk), RoHS:Y n/a 541-0239 Nemo Bracket, RoHS:Y n/a 541-3004 Nemo Bracket with Insulator, RoHS:Y n/a XRA-SS2CD-73G10KZ [S] 540-6611 [C] BUY 73GB 10000 RPM SAS, Disk Assembly with 1 of the following disks and brackets, RoHS:Y n/a 390-0213 Seagate ST973401SS [ST973401SSUN72G] (73GB - 10000 RPM - SAS Disk), RoHS:Y n/a 390-0285 Fujitsu MAY2073RC [MAY2073RCSUN72] (73GB - 10000 RPM - SAS Disk), RoHS:Y n/a 390-0323 Seagate ST973402SS [ST973402SSUN72G] (73GB - 10000 RPM - SAS Disk), RoHS:Y n/a 390-0374 Fujitsu MBB2073RC [MBB2073RCSUN72G] (73.4GB - 10000 RPM - SAS Disk), RoHS:Y n/a 390-0376 2 Hitachi HUC101473CSS300 [H101473SCSUN72G] (73.4GB - 10000 RPM - SAS Disk), RoHS:Y n/a 541-0239 Nemo Bracket, RoHS:Y n/a