SPECIFICATIONGraphics Engine AXRX 550 2GBD5-DHVideo Memory 2GB GDDR5Stream Processor 512 UnitsEngine Clock(OC) up to 1071MHz with boostEngine Clock(STD/Silent) Memory Clock 1500MHz x4 (6.0 Gbps)Memory Interface 128-bitDirectX® Support 12Bus Standard PCIE 3.0Standard Display Connectors DL DVI-D/ HDMI/ DisplayPortCustomized Specifications Product Remark Feature SupportOpenGL SupportCrossFireX™ Technology AMD Stream Technology SupportAMD Eyefinity Technology SupportAMD Hypermemory Maximum ResolutionVGA DVI 2560x1600DisplayPort 4096x2160HDMI 4096x2160Power Specs + Board DimensionsBoard Dimensions 152mm*111.2mm*38mmMinimum System Power requirement (W) 400WExtension Power Connector