- Targeted use: Only for M.2 NVMe solid-state drives with M key. Please confirm NVMe specification ID before purchase. - Ultra-fast data access: PCI-E expansion card lets you connect an M.2 PCIe SSD to your computer via PCI Express for high-speed data transfer. - Standard version: Metal baffle design securely fixes the adapter. Compatible with NVMe M.2 sizes 2230, 2242, 2260, 2280. - Applicable modes: Supports Samsung PM961, 960 EVO, SM961, PM951, SM951, Intel 600P, LITE-ON T10 NVMe M.2 protocol. - Use scenarios: 1) Desktop upgrade: add an NVMe SSD to a system without an M.2 slot by using a PCIe expansion slot for a fast OS drive or cache. 2) Testing and benchmarking: install and swap NVMe drives quickly for performance evaluation on a workstation or server. 3) Compact PC expansion: provide high-speed storage in small form factor builds where motherboard M.2 slots are occupied or unavailable.