No. | FRU (Overall) | FRU no. | CRU |
| | | | ID |
| | | |
16 | System board assembly for W520 Q3, AMT, TPM, no RAID adapter | 04W2029 | N |
| • | 4249-CTO | | |
| • | 4260-CTO | | |
| • | 4270-CTO | | |
| • 4276-CTO, 22x, 23x, 24x, 2Ax, 2Ex, 2Nx, 2Qx, 2Sx, 2Tx, 2Xx, 2Yx, 2Zx | | |
| • | 4281-CTO | | |
| • 4282-CTO, 23x, 24x, 28x, 2Yx, 2Zx, 34x, 3Jx, 3Kx, 3Lx, 3Mx, 3Nx, 3Tx, 3Vx, 3Wx, 3Xx, 3Yx | | |
| • 4284-CTO, 23x, 24x, 3Wx, 43x, 49x | | |
| | | |
16 | System board assembly for W520 Q3, AMT, non-TPM, no RAID adapter | 04W2031 | N |
| • | 4249-CTO | | |
| • | 4260-CTO | | |
| • | 4270-CTO | | |
| • | 4276-CTO, 2Jx, 36x | | |
| • | 4281-CTO | | |
| • | 4282-CTO | | |
| • | 4284-CTO, 42x | | |
| | | |
16 | System board assembly for W520 Q1, AMT, TPM, with RAID adapter | 04W2032 | N |
| • | 4249-CTO | | |
| • | 4260-CTO | | |
| • | 4270-CTO | | |
| • | 4276-CTO | | |
| • | 4281-CTO | | |
| • | 4282-CTO, 2Mx | | |
| • | 4284-CTO | | |
| | | |
16 | System board assembly for W520 Q1, AMT, non-TPM, with RAID adapter | 04W2034 | N |
| • | 4249-CTO | | |
| • | 4260-CTO | | |
| • | 4270-CTO | | |
| • | 4276-CTO | | |
| • | 4281-CTO | | |
| • | 4282-CTO | | |
| • | 4284-CTO | | |
| | | |
16 | System board assembly for W520 Q3, AMT, TPM, with RAID adapter | 04W2033 | N |
| • | 4249-CTO | | |
| • | 4260-CTO | | |
| • | 4270-CTO | | |
| • | 4276-CTO | | |
| • | 4281-CTO | | |
| • 4282-CTO, 2Cx, 2Lx, 33x, 3Zx, 42x | | |
| • | 4284-CTO | | |
| | | |
16 | System board assembly for W520 Q3, AMT, non-TPM, with RAID adapter | 04W2035 | N |
| • | 4249-CTO | | |
| • | 4260-CTO | | |
| • | 4270-CTO | | |
| • | 4276-CTO | | |
| • | 4281-CTO | | |
| • | 4282-CTO | | |
| • | 4284-CTO | | |
| | | | |
