Features: brand new and high quality The riser card adopts differential pair wiring and supports PCI-E 4X signal. Use this adapter card to convert the for M.2 NGFF interface to a normal PCI-E X4 interface. There are 2 fixed holes on the board, 22x60mm and 22x80mm, according to the card in your machine The length of the slot can be broken and positioned Easy to use and install, convenient and fast Wiring mode: If you connect the USB cable with a 1X to 16X adapter cable, you don'for t need to insert a small 4PIN power cord on the M2 adapter card. Support all for Windows systems, LINUX for Mac, no driver required Specifications: Product name: NGFF for M.2 for Key for M Adapter Card Product model: NGFFP4X-N02 Product interface: for M.2 KEY-M Support system: WINXP WIN7 WIN8 WIN10, LINUX, for Mac Colour:Black Material:PCB+metal Power Cable: 4 PIN / Sata (Optional) Size: approx 80x23mm/3.15x0.9in Package Includes: 1 PC x Adapter Card 1 PC x Power Cord 1 PC x Screwdriver note: Only the above package content, other products are not included. Note: Light shooting 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 0.5-2cm.