Characteristics: The adapter card uses differential line alignment to support PCI-E 3.0 1X signal. Supports M.2 solid state hard drives for M key only, please confirm the NVMe specification identification. Supports Samsung PM961, 960 EVO, SM961, PM951, sm951, INTEL 600P, LITE-ON T10 NVME M.2 protocol. Metal partition configuration to fix the adapter firmly. Hot-swapping function allows you to connect/disconnect. The standard version supports NVME M.2 2230 2242 2260 2280. Specification: Material: PCB Black colour Name: PCI-E to M.2 expansion card Interface: PCI, PCI Express Size: Approx. 12 x 9.2 x 1.8cm/4.7 x 3.6 x 0.7in Package weight: approx. 69 g / 2.4 oz Support system: compatible with WIN10 system Package List: 1 x M.2 to PCI-E3.0 X1 expansion card 1 x Set of screws 1 x Half height divider Note: 1. M.2 NGFF to PCI-E 1X expansion card. With this adapter, a regular PCI-E 1X interface can be converted to M.2 NGFF interface. 2. There are four fixed holes on the board, respectively 22 x 32mm, 22 x 42mm, 22 x 60mm and 22 x 80mm. 3. Supports Samsung PM961, 960 EVO, SM961, PM951, sm951, INTEL 600P, LITE-ON T10 NVME M.2 protocol. does not support SATA M.2 protocol. 4. Standard version supports NVME M.2 2230 2242 2260 2280