Graphics Engine AXRX 6900 XT 16GBD6-3DHE/OC Video Memory 16GB GDDR6 Stream Processor 5120 Units Engine Clock(OC) up to 2105MHz(Game)¹ up to 2340MHz(Boost)² Engine Clock(STD/Silent) up to 2015MHz(Game)¹ up to 2250MHz(Boost)² Memory Speed 16.0 Gbps Memory Interface 256-bit DirectX® Support 12 Bus Standard PCIE 4.0 x16 Standard Display Connectors 1 x HDMI 2.1 , 3 x DisplayPort 1.4 Customized Specifications Feature Support OpenGL Support CrossFireX™ Technology support (DirectX® 12/Vulkan™) AMD Stream Technology Support AMD Eyefinity Technology Support