No. | FRU (Overall) | FRU no. | CRU |
| | | | ID |
| | | |
17 | 4-GB DDR3-1066 SDRAM SO-DIMM (PC3-8500) card | 55Y3714 | * |
| v | 2801-CTO | | |
| v | 2808-CTO | | |
| v | 2809-CTO | | |
| v 2815-CTO, 24x, 3Ux, 3Xx, 4Ex, 4Gx, 5Yx | | |
| v | 2823-CTO, 24x | | |
| v | 2824-CTO | | |
| v | 2825-CTO | | |
| v | 2901-CTO | | |
| v | 2904-CTO | | |
| v | 2907-CTO | | |
| v | 2912-CTO | | |
| v | 2924-CTO | | |
| v | 2926-CTO | | |
| v | 2928-CTO | | |
17 | 4-GB DDR3-1333 SDRAM SO-DIMM (PC3-10600) card | 55Y3717 | * |
| v | 2901-CTO | | |
| v | 2904-CTO, FYx | | |
| v | 2907-CTO | | |
| v | 2912-CTO, 3Rx, 40x | | |
| v | 2924-CTO | | |
| v | 2926-CTO | | |
| v | 2928-CTO | | |
18 | Wireless USB PCI Express Half-Mini Card | | |
| v | 2801-CTO | | |
| v | 2808-CTO | | |
| v | 2809-CTO | | |
| v | 2815-CTO | | |
| v | 2823-CTO | | |
| v | 2824-CTO | | |
| v | 2825-CTO | | |
| | US | 43Y6547 | ** |
| | | | |
| | Japan | 43Y6549 | ** |
| | | | |
| | EU | 43Y6551 | ** |
| | | |
18 | Intel Turbo Memory Minicard, 2 GB (half size) | 43Y6523 | ** |
| v 2801-CTO, A2x, A4x, A6x, A8x, A9x, ABx, ALx, AMx | | |
| v 2808-CTO, C2x, C3x, C6x, E4x | | |
| v | 2809-CTO, 78x, 7Bx | | |
| v 2815-CTO, 2Ax, 2Bx, 2Cx, 2Dx, 2Ex, 2Fx, 2Gx, 2Hx, 2Jx, 2Sx, 2Xx, 37x, 3Bx, 3Fx, 3Nx, | | |
| | 3Px, 3Sx, 3Vx, 46x, 47x, 48x, 49x, 4Ax, 4Bx, 4Cx, 4Ux, 4Vx, 4Xx, 5Bx, 5Vx | | |
| v 2823-CTO, 92x, 93x, 96x, 9Bx | | |
| v | 2824-CTO | | |
| v | 2825-CTO | | |
18 | Intel Turbo Memory Minicard, 4 GB (half size) | 43Y6525 | ** |
| v | 2801-CTO | | |
| v | 2808-CTO | | |
| v | 2809-CTO | | |
| v | 2815-CTO | | |
| v | 2823-CTO | | |
| v | 2824-CTO | | |
| v | 2825-CTO | | |
19 | Backup battery | 45N5864 | ** |
| | | | |
