SPECIFICATION Graphics Engine AXRX 580 8GBD5-3DH/OC Video Memory 8GB GDDR5 Stream Processor 2304 Units Engine Clock(OC) up to 1380MHz with boost Engine Clock(STD/Silent) Memory Clock 2000MHz x4 (8.0Gbps) Memory Interface 256-bit DirectX® Support 12 Bus Standard PCIE 3.0 Standard Display Connectors DL DVI-D/ HDMI/ DisplayPort x3