NGFF M.2 Key M to PCI-E Express 4X Riser Card Adapter w LED Voltage Indicator SATA Power Cable 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 a power cable, a screwdriver and a screw. One PCI-E 4X female socket and one NGFF M.2 Key M male connector available. Allows users e standard PCI-e 4x card in an M.2 NGFF M key slot in the Desktop or Laptop. Compatible with all WINDOWS system, LINUX and MAC. Easy installation. No drivers needed. Adopts differential line, supports PCI-E 4X signal. Specifications: Condition: ! Name: NGFF M.2 Key M to PCI-E Adapter Card Interface: PCI-E 4X Support System: Support for all Windows system, Linux and for Mac system. Screw Holes: 2260 (22*60mm), 2280(22*80mm) Power Cable: SATA Power Cable, Large 4Pin Power Cable (Optional) Voltage Indicator Light: Yes Card 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 card are available. You can break off the card in order to fit your device. But please be sure to pay attention, We Do NOT recept Return after breaking off. 2. Connection Way: When using USB cable to connect with mining cable, there is no need to plug a small 4pin power cable on this card.