Lenovo ThinkSystem SR650 V3 Server Product Guide > Lenovo Press

Vantec NVMe + SATA SSD PCIe x4 Adapter m 2 sata slot 2 B+M key SSD may support SATA bus or PCIe x2 bus If the SSD only 2 M key slot is compatible with both B+M key SSD and M key SSD m2 sata vs nvme slot 2 slot on the OptiPlex 3050 supports only PCIe M Resolution The drive must use the PCIe bus instead of SATA when installing an SSD hard

m2_1 slot 2 SSD? SATA vs M2 NVMe; B key, B+M key, and M key; Length SSD A B key only works on a B slot, and the same hols for an M key and M