| Memory Options |  |  | 
| LEN7X77A01301 | 7X77A01301 | ThinkSystem 8GB TruDDR4 2666 MHz (1Rx8 1.2V) RDIMM | 
| LEN7X77A01302 | 7X77A01302 | ThinkSystem 16GB TruDDR4 2666 MHz (1Rx4 1.2V) RDIMM | 
| LEN7X77A01304 | 7X77A01304 | ThinkSystem 32GB TruDDR4 2666 MHz (2Rx4 1.2V) RDIMM | 
| LEN7X77A01305 | 7X77A01305 | ThinkSystem 64GB TruDDR4 2666 MHz (4Rx4 1.2V) LRDIMM | 
|  |  |  | 
| Hard Disk Option |  |  | 
|  | 2.5-inch hot-swap HDDs – 12 Gb SAS 10K |  | 
| LEN7XB7A00024 | 7XB7A00024 | ThinkSystem 2.5″ 300GB 10K SAS 12Gb Hot Swap 512n HDD | 
| LEN7XB7A00025 | 7XB7A00025 | ThinkSystem 2.5″ 600GB 10K SAS 12Gb Hot Swap 512n HDD | 
| LEN7XB7A00026 | 7XB7A00026 | ThinkSystem 2.5″ 900GB 10K SAS 12Gb Hot Swap 512n HDD | 
| LEN7XB7A00027 | 7XB7A00027 | ThinkSystem 2.5″ 1.2TB 10K SAS 12Gb Hot Swap 512n HDD | 
| LEN7XB7A00028 | 7XB7A00028 | ThinkSystem 2.5″ 1.8TB 10K SAS 12Gb Hot Swap 512e HDD | 
|  | 2.5-inch hot-swap HDDs – 12 Gb SAS 15K |  | 
| LEN7XB7A00021 | 7XB7A00021 | ThinkSystem 2.5″ 300GB 15K SAS 12Gb Hot Swap 512n HDD | 
| LEN7XB7A00022 | 7XB7A00022 | ThinkSystem 2.5″ 600GB 15K SAS 12Gb Hot Swap 512n HDD | 
| LEN7XB7A00023 | 7XB7A00023 | ThinkSystem 2.5″ 900GB 15K SAS 12Gb Hot Swap 512e HDD | 
|  | 2.5-inch hot-swap HDDs – 12 Gb NL SAS |  | 
| LEN7XB7A00034 | 7XB7A00034 | ThinkSystem 2.5″ 1TB 7.2K SAS 12Gb Hot Swap 512n HDD | 
| LEN7XB7A00035 | 7XB7A00035 | ThinkSystem 2.5″ 2TB 7.2K SAS 12Gb Hot Swap 512n HDD | 
|  | 2.5-inch hot-swap SED HDDs – 12 Gb SAS 10K |  | 
| LEN7XB7A00030 | 7XB7A00030 | ThinkSystem 2.5″ 300GB 10K SAS 12Gb Hot Swap 512n HDD SED | 
| LEN7XB7A00031 | 7XB7A00031 | ThinkSystem 2.5″ 600GB 10K SAS 12Gb Hot Swap 512n HDD SED | 
|  | 2.5-inch hot-swap HDDs – 6 Gb NL SATA |  | 
| LEN7XB7A00036 | 7XB7A00036 | ThinkSystem 2.5″ 1TB 7.2K SATA 6Gb Hot Swap 512n HDD | 
| LEN7XB7A00037 | 7XB7A00037 | ThinkSystem 2.5″ 2TB 7.2K SATA 6Gb Hot Swap 512e HDD | 
|  |  |  | 
| Backplane kit field upgrade options |  | 
| LEN7XH7A05896 | 7XH7A05896 | ThinkSystem SR530/SR630 2.5″ SATA/SAS 8-Bay Backplane Kit | 
|  |  |  | 
| M.2 enablement kits |  |  | 
| LEN7Y37A01092 | 7Y37A01092 | ThinkSystem M.2 Enablement Kit | 
| LEN7Y37A01093 | 7Y37A01093 | ThinkSystem M.2 with Mirroring Enablement Kit | 
|  |  |  | 
| 12 Gb SAS/SATA RAID controllers |  |  | 
| LEN7Y37A01082 | 7Y37A01082 | ThinkSystem RAID 530-8i PCIe 12Gb Adapter | 
| LEN7Y37A01084 | 7Y37A01084 | ThinkSystem RAID 930-8i 2GB Flash PCIe 12Gb Adapter | 
|  |  |  | 
| External Optical drive |  |  | 
| LEN7XA7A05926 | 7XA7A05926 | ThinkSystem External USB DVD RW Optical Disk Drive | 
|  |  |  | 
| Power Supply |  |  | 
| LEN7N67A00882 | 7N67A00882 | ThinkSystem 550W (230V/115V) Platinum Hot-Swap Power Supply | 
| LEN7N67A00883 | 7N67A00883 | ThinkSystem 750W (230/115V) Platinum Hot-Swap Power Supply | 
| LEN7N67A00884 | 7N67A00884 | ThinkSystem 750W (230V) Titanium Hot-Swap Power Supply | 
|  |  |  | 
| Lockable front bezel |  |  | 
| LEN7Z17A02581 | 7Z17A02581 | ThinkSystem 1U Security Bezel | 
|  |  |  | 
| Cable management arm (CMA) upgrade |  | 
| LEN7M27A05699 | 7M27A05699 | ThinkSystem 1U CMA Upgrade Kit for Tool-less Slide Rail |