1.RX550 4GB extreme speed graphics card, with silent cooling fan has low noise and can work quietly, which is suitable for desktop use.2. -compatible interface. It can be connected to a high-definition TV. The high-definition LCD display allows you to enjoy the high-definition .3. interface and DP interface can be connected to a monitor or LCD screen can be used4. graphics card runs smoothly and stably, giving you a better gaming experience5. The installation is convenient, no additional tools are needed, and the installation process is simple.Product Name: Desktop Graphics CardCore code and process: RX550/14nmUnified Shaders: 512Core frequency/memory frequency: 1183/6000MHzMemory capacity and specifications: 4G/128bit/GDDR53D Features: DirectX 12 / / OpenGL 4.5OS Features: Windows 7(64)/ (64)/Ubuntu16.04(64)Radiator: Y8I-64-X fan (no copper tube and no light)Fan characteristics: 2Pin, adjustable speed, no speed value displayedOther Features: for AMD LiquidVR Technology, AMD FreeSync Technology 2 Radeon VR Bus Interface: PCI- 3.0 x 8Output interface: DP (1.4 HDR) + -compatible (4K60 ) + -DMaximum resolution: 3840*2160@60Hz (DP & interface)Sli/: not supportedPower supply design: 3-phase circuitExternal power supply: noneGraphics card size: 146 x x 40mmMaterial: PCB+Metalcolour: blackPackage Contents:1 x RX550 graphics cardOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.