Specifications: Item Name: External Graphics Card Material: PCB Color: Black Size: 25cm / 50cm Bandwidth speed: PCIe3.0x4 (32G/s) Model number: R43SG (M.2 NVMe interface) Bandwidth speed: PCIe3.0x4 (32G/s) Compatibility: Support new graphics cards shipped after 2015 (old graphics cards shipped before 2015 are not supported) Quantity: 1pc Installation steps: 1. Install the hexagonal copper pillar and insert the graphics card into the PCIe x16 slot. Tighten the screws so that the graphics card will not shake or fall off. 2. Install the ATX power supply or DELL power supply, including the graphics card power cord should also be connected. After installation, the Dell power supply will light up in orange. 3. You can plug in the M.2 cable when the computer is turned off. After booting, the ATX power supply will automatically start the fan. If you are using DELL power, the green indicator will light up. At this time, the R3G board will light up two green lights. The system will automatically recognize the card. Please install the graphics card driver. The driver installation process may cause the computer to restart.