PECIFICATION Graphics Engine AXRX 550 4GBD5-DH/OC Video Memory 4GB GDDR5 Stream Processor Engine Clock up to 1190MHz with boost Memory Clock 1750MHz x4 (7.0Gbps) Memory Interface 128bit DirectX Support 12 Bus Standard PCIE 3.0 Standard Display Connecors DL DVI-D/ HDMI/ DisplayPort Customized Specifications Feature Support OpenGL Support CrossFireX Technology Support AMD Stream Technology Support AMD Eyefinity Technology Support AMD Hypermemory Maximum Resolution VGA DVI 2560x1600 DisplayPort 4096x2160 HDMI 4096x2160 Power Specs + Board Dimensions Board Dimensions 225mm*128mm*38mm Minimum System Power requirement (W) 400W Extension Power Connector