The custom-designed cooler has a cooling fan along with the aluminum heatsink, together delivering an effective heat dissipation capacity for higher performance at lower temperatures.Product Type: Computer Game GraphicsProduct name: Graphics cardPackage Weight: 0.5kgPackage Size: 220cm*100cm*35cmGPU Model: HD6870Video Memory Capacity: 1GBInterface Type: PCI Express 2.0 X16Cooler Type: FanVideo Memory Type: GDDR5Stream Processors: 1600Chip Process: 40 nanometersMemory Clock(Mhz): 4200 MHzModel Number: HD 6870 1GB 256BitPixelPipelines: 2154MApplication: DesktopLaunch Date: 2014Core Clock(Mhz): 850/900/940MHzCore Clock(Mhz): 850 MHzOutput Interface Type: DVIOutput Interface Type: HDMIOutput Interface Type: DPMemory Interface: 256 BitDirectX: DirectX 11Unit Type: pieceMemory frequency:4200/4600MHzThe maximum resolution:2560× 1600I/O interface:1*HDMI 2*DVI 2*Mini DisplayportInterface or1*HDMI 1*DVI 1*DisplayportInterface3D API: DirectX 11Power connector 6pin+6PinNote:！！3 versions shipped randomlyWe test before shipping without worrying about quality issues.If you still have any questions about the graphics card, please contact our online customer service