M.2 NVMe Selection Checklist
Match the M.2 key and form factor, PCIe generation, host slot width, number of NVMe drives, cooling requirement, adapter orientation and target operating system. M.2 to OCuLink, U.2 and EDSFF are different connection paths and should not be treated as interchangeable.
Related Model Map
| Model | Product | Interface | PCIe Generation | Typical Fit |
|---|---|---|---|---|
| LLS-CD-1PC4MT-01 | 4-Port M.2 NVMe Expansion Card | PCIe x16 → 4 × M.2 M-Key | PCIe 5.0 | Workstations and storage |
| LLS-CD-1PC4MT-02 | 4-Port M.2 PCIe Adapter Card | PCIe x16 → 4 × M.2 M-Key | PCIe 4.0 | NVMe expansion |
| LLS-CD-1MT1OC-01 | M.2 to OCuLink Adapter Card | M.2 M-Key → OCuLink | PCIe 4.0 | eGPU and NVMe links |
| LLS-CB-1MT1UT-01 | M.2 to U.2 NVMe Cable | M.2 M-Key → SFF-8639 | PCIe 5.0 | U.2 NVMe validation |