NGFF M.2 Key M to PCI-E 4X adapter card. Supports 2260 / 2280 type M.2 SSD module slots. Includes a power cable, screwdriver, and screws. Features a PCI-E 4X female connector and an NGFF M.2 Key M male connector. Allows users to utilize standard PCI-e 4x cards in an M.2 NGFF M-key slot on desktops or laptops. Compatible with all WINDOWS systems, LINUX, and MAC. Easy installation with no drivers required. Utilizes differential lines to support PCI-E 4X signals. Features: NGFF M.2 Key M Male to PCI-E 4X Female Adapter Card. Supports 2260 / 2280 type M.2 SSD module slots. Comes with a power cable, screwdriver, and screws. Features a PCI-E 4X female connector and an NGFF M.2 Key M male connector. Enables users to install standard PCI-e 4x cards into an M.2 NGFF M-key slot on their desktop or laptop. Compatible with all Windows, Linux, and Mac systems. Simple installation, no drivers needed. Adopts differential lines, supporting PCI-E 4X signals. Specifications: Name: NGFF M.2 Key M to PCI-E Adapter Card Interface: PCI-E 4X Supported Systems: All Windows, Linux, and Mac systems. Screw Holes: 2260 (22*60 mm), 2280 (22*80 mm) Power Supply: SATA power supply, large 4-pin power supply (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. The card has two screw holes (2260/2280). You can break off the card to fit your device, but please be aware that returns are not accepted after breaking. 2. Connection Method: When using a USB cable to connect with a mining cable, there is no need to connect the small 4-pin power supply on this card.