1. This riser card uses differential wire pair routing and supports PCI-E 3.0 4X signals. 2. M.2 NGFF to PCI-E X4 adapter card, use this adapter card to convert PCI-E X4 interface to M.2 NGFF interface and connect to the motherboard through a SATA cable, which can be connected to the SSD of the SATA protocol. There are 5 fixed holes on it, which are 22x32mm, 22x42mm, 22x60mm, 22x80mm, 22x110mm. 3. The following slots: Support M.2 of NVME protocol for PM961, 960EVO, SM961, PM951, sm951, 600P, T10, etc. M.2 of the SATA protocol is not supported. The upper slot: Support SATA protocol M.2 KEY-BM 4. Equipped with metal baffle to make the riser card firm and stable 5. Plug and play, simple operation and easy to use Product name: PCI-E 4X to M.2 Key M+B dual interface adapter card Product model: PCENGFF-N03 Product interface: PCI-E 1X PCI-E 4X Data transmission speed: 10000 (MB/s) Support system: compatible with WIN7/WIN8/WIN8.1/WIN10 system colour:Black Material:PCB+metal size:Bezel: 12cm Package Contents: 1 x Adapter card 1 x SATA3.0 data cable Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.