Graphic Engine AMD Radeon RX 6800 Bus Standard PCI Express 4.0 OpenGL 4.6 Video Memory 16GB GDDR6 Stream Processors 3840 Memory Speed 16 Gbps Memory Interface 256-bit Resolution Max Resolution 7680 x 4320 Interface Yes x 1 (Native HDMI 2.1) / Yes x 3 (Native DisplayPort 1.4a) HDCP Support Yes (2.3) Maximum Display Support 4NVlink Crossfire Support Yes Recommended PSU 650W Power Connectors 2 x 8-pin Slot 2.9 Slot