• Part Number AX7990 6GBD5-2DHJ• Graphics Engine RADEON HD7990• Video Memory 6GB GDDR5• Engine Clock 900MHz / 925MHz• Memory Clock 1375MHz x 4 (5.5Gbps)• Memory Interface 384bit X2• DirectX® Support 11.1• Bus Standard PCIE 3.0• Standard Display Connecors DL DVI-I / SL DVI-D / HDMI / 2 X mini DisplayPort• Feature SupportOpenGL SupportCrossFireX™ Technology SupportATI Stream Technology SupportATI Eyefinity Technology Support• Display SupportVGA Output Yes, By DVI to VGA converterDVI Output DL-DVI-I/ SL-DVI-DDisplayPort On Board(mini DP) x2HDMI On BoardHDCP Support Support• Maximum ResolutionVGA 2048x1536DVI 2560x1600DisplayPort 4096x2160HDMI 4096x2160• Power Specs + Board DimensionsBoard Dimensions 315mmx140mmx60mmMinimum System Power requirement (W) 850WExtention Power Connector three 8-pin PCI Express Power connectors