Features: NGFF M.2 Key M Male to PCI-E 4X Female Adapter Card. Support 2260/2280 type M.2 SSD module slot. Comes with power cable, screwdriver and screw. One PCI-E 4X female socket and one NGFF M.2 Key M male connector available. Allows users to use a standard PCI-e 4x card in an M.2 NGFF M key slot in desktop or laptop. Compatible with all WINDOWS, LINUX and MAC systems. Easy installation. No driver needed. Adopts differential line, supports PCI-E 4X signal. Specifications: Condition: 100% brand new and high quality! Name: NGFF M.2 Key M to PCI-E Adapter Card Interface: PCI- E 4X Support System: Support all Windows, Linux and Mac systems. Screw holes: 2260 (22*60mm), 2280 (22*80mm) Power cable: SATA power cable, large 4pin power cable (optional) Voltage indicator: Yes Board color: white Size: Package Weight: 23g Package List: 1 x NGFF M.2 Key M to PCI-E 4X Adapter Card 1 x Power Cable 1 x Screw 1 x Screwdriver Note: 1. 2 screw holes (2260/2280 ) on the map are available. You can break the card to fit your device. But make sure to pay attention, we do NOT receive the return after breakup. 2. Connection way: When you use USB cable to connect with mining cable, there is no need to plug a small 4pin power cable into this board.