• Part Number AX7770 1GBD5-PP2DH• Graphics Engine RADEON HD7770• Video Memory 1GB GDDR5• Engine Clock 1150MHz• Memory Clock 1250MHz x 4 (5.0 Gbps)• Memory Interface 128bit• DirectX® Support 11.1• Bus Standard PCIE 3.0• Standard Display Connecors DL-DVI-I/ HDMI/2x mini DisplayPort• Feature SupportOpenGL SupportCrossFireX™ Technology SupportATI Stream Technology SupportATI Eyefinity Technology Support• Display SupportVGA Output Via AdapterDVI Output Dual Link DVI-I x1DisplayPort On Board(mini DP) x2HDMI On BoardHDCP Support Support• Maximum ResolutionVGA 2048x1536DVI 2560x1600DisplayPort 4096x2160HDMI 4096x2160• Power Specs + Board DimensionsBoard Dimensions 210mmx114mmx38mmMinimum System Power requirement (W) 450WExtention Power Connector One 6-Pin PCI Express Power connector