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M.2 is a solid-state drive (SSD) form factor primarily used as an operating system boot solution however depending on the endurance of the M.2 drives, they may also be suitable for read-intensive or mixed workloads.
Lenovo ThinkSystem servers support M.2 drives in one of three ways, depending on the server selected:
- One or two drives, mounted in an M.2 adapter, vertically in a dedicated slot
- Two or four drives, mounted horizontally in an M.2 adapter
- Installed directly on the system board
One example is the Dual M.2 Adapter, as shown in the following figure, with one 128GB M.2 drive partially inserted. The second M.2 drive is installed on the other side of the adapter.
Features | |
SSD form factor | M.2 |
SSD capacity | 240 GB |
Interface | Serial ATA III |
NVMe | No |
Component for | Server/workstation |
Read speed | 540 MB/s |
Write speed | 310 MB/s |
Random read (4KB) | 67000 IOPS |
Random write (4KB) | 40000 IOPS |
Read latency | 500 æs |
Write latency | 500 æs |
TBW rating | 657 |
Weight & dimensions | |
Weight | 10 g |
Logistics data | |
Harmonized System (HS) code | 84717070 |
Warranty | |
Base Warranty | Non Non |