Features: brand new and high quality 4GB GDDR5 memory and 128Bit memory bandwidth, deliver smoother gaming experience .GDDR5 high-speed video memory ensures up to 6000MHz speed, for smooth gaming and application using experience. Native support 4K H264, H265/HEVC encoding/decoding, and deliver Blu-ray 1080P and 4K@60Hz film experience. Large-size auto-regulated fan and large area aluminum fin heatsink delier greater airflow performance, and provide a cool and quiet gaming experience. Only 145mm in length, adapt to the mainstream ITX computer cases, you can build your HTPC with the great ability of gaming. With AMD- Liquid VR technology, support FreeSync technology 2 Radeon- VR Ready. Specifications: Basic specifications: Core code and process: RX550/14nm Unified shader: 512 Core frequency/Video memory frequency: 1183/6000MHz Memory capacity and specifications: 4G/128bit/GDDR5 3D features: DirectX 12/ Mantle / OpenGL 4.5 OS features: for Windows 7(64)/ for Windows 10(64)/Ubuntu16.04(64) Radiator: Y8H-64-Y fan Bus interface: PCI-Express 3.0 x 8 Output interface: DP + HDMI-compatible + DVI-D Power supply design: 3-phase circuit External power supply: none Power Consumption: 50W Recommended PSU: 300W Item size: approx 14.5x 10.5x 3.9cm /5.71x 4.13 x 1.54in Item weight: Approx. 285g /10.05oz Package Includes: 1 PC x Graphics Card 1 PC x User Manual note: 1. After installing the driver first, customers can download the GPU-Z computer software to check all the parameters of the graphics card 2. Because it is DDR5 technology, the algorithm of "Memory Frequency 6000MHZ". It is equal to the memory item in the GPU-Z detection datax4=6000MHZ