Biostar Radeon RX 550 4GB GDDR5 Core Clock 1071 MHz. Boost Frequency Up to 1183 MHz Max Performance Up to 1.2 TFLOPs. 512 Cores GPU High-Performance Gaming Memory: Memory Speed 1500 MHz (Effective) 6.0 Gbps, Memory Size 4GB, Memory Type (GPU) GDDR5, Memory Interface 128-bit, Max Memory Bandwidth 96 GB/s Support Rendering formats: HDMI 4K Support, 4K H264 Decode, 4K H264 Encode, H265/HEVC Decode, H265/HEVC Encode Connectivity ports: DisplayPort 1.4 HDR, Dual-Link DVI, HDMI 4K60 Support. Supported Technologies: Radeon Software Radeon FreeSync Technology AMD LiquidVR Technology 4th Gen GCN Architecture Radeon Chill Radeon ReLive DirectX 12 Technology AMD Eyefinity Technology (Gaming) AMD App Acceleration 3rd Gen 14nm Process Technology OpenCL 2.0 OpenGL 4.5 AMD PowerTune Technology TrueAudio Next Unified Video Decoder (UVD) Video Code Engine (VCE) Virtual Super Resolution The Vulkan API OS Support Windows 7 - 32-Bit Edition - Windows 7 - 64-Bit Support Windows 10 - 64-Bit Edition. Biostar Radeon RX 550 4GB GDDR5 Feature AMD Radeon RX550 GPU 4GB GDDR5, 128bit with 512 Stream processors DVI/Display port/HDMI output support PCI Express 3.0 x16 bus interface Support Radeon Freesync Technology DirectX 12 and Vulkan Optimized AMD XConnect and HDR Ready Specifications Memory Size 4GB Engine Clock 1100/1183MHz Memory Type GDDR5 Memory Clock 6000MHz Stream Processors 512 Memory Bus (Bit) 128-bit OS SUPPORT Windows 7 - 32-Bit Edition Windows 7 - 64-Bit Edition Ubuntu x86 64-Bit Linux x86_64 Windows 10 - 64-Bit Edition Recommended PowerSupply 300 W Power Consumption 50W Resolution Digital: 4096 X 2160 VGA: 2048 X 1536 Interface (PCI Express) Support PCI-E 3.0 DirectX DirectX 12 Ports DVI HDMI HDCP Display port OpenGL OpenGL 4.5 ..