How to Use: 1. Turn off the power and unplug all connectors; disassemble the main box. 2. If any other graphics card is installed on the motherboard, please unplug it first, and then insert the new graphics card into the PCI Express X16 slot provided by the motherboard. 3. If the graphics card comes with an additional power supply input interface, please find the corresponding plug on the host power supply, and insert the graphics card, please use these adapter plugs and connect the graphics card to provide enough power to the graphics card. 4. Tighten the fixing screws on the bezel of the graphics card to confirm that the graphics card is properly fixed. 5. Cover the case, reconnect all peripheral device connectors, and then insert the monitor connector into the corresponding interface on the graphics card. 6. If you need to use the TV OUT, High Definition Multimedia Interface, DisplayPort and other interfaces of the TV or display device, please first confirm whether the graphics card has the corresponding interface, if so, directly use the corresponding cable to connect the display device and the graphics card. Specification: Item Type: RX550 Graphics Card Material: PCB Core Code and Process: Lexa/14nm Unity Shaders: 512 Core Frequency, Memory Frequency: 1183/6000MHz Video Memory Capacity and Specifications: 4G,128bit,GDDR5 Output Interface: DVI,DP,High Definition Multimedia Interface Bus Interface: Pci Express 3.0 x 8 Cooling Fan: Support Package List: 1 x RX550 Graphics Card 1 x User Manual