| Description | Marketing part number | Replacement part number | CRU/FRU Type |
2 GB (Single-Rank x4) 1.35 V PC3L-10600 CL9 ECC DDR3 1333 MHz VLP RDIMM | 46C0561 | 46C0573 | |
| 4 GB (Dual-Rank x4) 1.35 V PC3L-10600 CL9 ECC DDR3 1333 MHz VLP RDIMM | 46C0567 | 46C0579 | |
| 8 GB (Dual-Rank x4) 1.35 V PC3-10600 CL9 ECC DDR3 1333 MHz VLP RDIMM | 46C0568 | 46C0580 | |
| 8 GB (Dual-Rank x4) 1.35 V PC3L-8500 CL7 ECC DDR3 1066 MHz VLP RDIMM | 46C0569 | 46C0581 | |
| 1 GB (Single-Rank x8) 1.5 V PC3-10600 CL9 ECC DDR3 1333 MHz VLP RDIMM | 49Y1427 | 49Y1437 | |
| 2 GB (Dual-Rank x8) 1.5 V PC3-10600 CL9 ECC DDR3 1333 MHz VLP RDIMM | 49Y1428 | 49Y1438 | |
| 2 GB (Single-Rank x4) 1.5 V PC3-10600 CL9 ECC DDR3 1333 MHz VLP RDIMM | 49Y1429 | 49Y1439 | |
| 4 GB (Dual-Rank x4) 1.5 V PC3-10600 CL9 ECC DDR3 1333 MHz VLP RDIMM | 49Y1430 | 49Y1440 | |
| 8 GB (Dual-Rank x4) 1.5 V PC3-10600 CL9 ECC DDR3 1333 MHz VLP RDIMM | 49Y1431 | 49Y1441 | |
| 4 GB (Dual-Rank x8) 1.5 V PC3-10600 CL9 ECC DDR3 1333 MHz VLP RDIMM | 44T1596 | 44T1586 | |
| 8 GB (Dual-Rank) PC3-8500 CL7 ECC DDR3-1066 VLP RDIMM | 44T1579 | 44T1580 | |
| 1 GB (Single-Rank) PC3-10600 CL9 ECC DDR3-1333 VLP LP RDIMM | 44T1485 | 44T1495 | |
| 2 GB (Single-Rank) PC3-10600 CL9 ECC DDR3-1333 VLP RDIMM | 44T1487 | 44T1497 | |
| 2 GB (Dual-Rank) PC3-10600 CL9 ECC DDR3-1333 VLP LP RDIMM | 44T1486 | 44T1496 | |
| 4 GB (Dual-Rank) PC3-10600 CL9 ECC DDR3-1333 VLP RDIMM | 44T1488 | 44T1498 | |
| 8 GB (Dual-Rank) PC3-10600 CL9 ECC DDR3-1333 VLP RDIMM | 46C7451 | 46C7455 | |
| 2 GB (Single-Rank x8) 1.5 V PC3-10600 CL9 ECC DDR3 1333 MHz VLP RDIMM | 44T1594 | 44T1584 | |
2 GB (Single-Rank x8) 1.35 V PC3L-10600 CL9 ECC DDR3 1333 MHz VLP RDIMM | 46C0560 | 46C0572 | |
| 4 GB (Single-Rank x4) 1.35 V PC3L-10600 CL9 ECC DDR3 1333 MHz VLP RDIMM | 46C0563 | 46C0575 | |
| 4 GB (Dual-Rank x8) 1.35 V PC3L-10600 CL9 ECC DDR3 1333 MHz VLP RDIMM | 46C0564 | 46C0576 | |
| 16 GB (Dual-Rank x4) 1.35 V PC3L-10600 CL9 ECC DDR3 1333 MHz VLP RDIMM | 46C0599 | 49Y1528 | |
| 8 GB (Dual-Rank) PC3-8500 CL7 ECC DDR3-1066 MHz VLP RDIMM | 44T1579 | 44T1580 | |
4 GB (Single-Rank x4) 1.35 V PC3L-10600 CL9 ECC DDR3 1333 MHz VLP RDIMM | 90Y4555 | 46C0575 | |
| 4 GB ( Dual-Rank x8) 1.35 V PC3L-10600 CL9 ECC DDR3 1333 MHz VLP RDIMM | 90Y4559 | 46C0576 | |
| IBM USB Memory Key for VMWare ESXi 5.0 | 41Y8300 | . | |