Sapphire AMD RX 550 4GB - PULSE RX 550 4G GDDR5

GPU512 Stream Processors14 nm FinFET 4th Graphics Core Next (GCN)1206 MHz Boost Engine ClockMemory128 bit Memory BusGDDR5 Memory Type1750 MHz, 7000 MHz Effective4 GB SizeBIOS SupportUEFI BIOSDisplaysMaximum 3 OutputsOutput1 x DVI-D1 x HDMI1 x DisplayPort 1.4Resolution3840x2160 (120Hz) Pixel DisplayPort Resolution2560x1600 (60Hz) Pixel Dual Link DVI Resolution3840×2160p (60 Hz) HDMI ResolutionAPIOpenGL® 4.5OpenCL 2.0DirectX® 12Shader Model 5.0FeatureAMD CrossFireFreeSync TechnologyAMD EyefinityAMD Xconnect readyDirectX™ 12 OptimizedHDR ReadyFrame Rate Target ControlIntelligent Fan Control IIIFuse protectionRadeon ChillRadeon ReliveCoolingSingle fanForm Factor1.5 Part Slot Occupied158(L)X 112(W)X 28 (H) Dimension /mmPower Consumption<65WOSWindows 10　Windows 7　System Requirement400 Watt Power Supply (Suggestion)Blue-ray™ / HD DVD playback requires Blu-ray / HD DVD drive. PCI Express® 2.0 or higher version based PC is required with one X16 lane graphics slot available on the motherboard in order for the card to be compatible with.