Graphics Processing Unit Radeon RX Vega 56 Interface PCI Express x16 Core Name Vega 10 XLH Cores 3584 Units (56 CU) Core Clocks up to 1520MHz / 1181MHz Memory Clock Speed 800 MHz Memory 8GB HBM2 Memory Bus 2048-bit Output DisplayPort x 3 / HDMI HDCP Support Y Power connectors 8-pin x 2 Recommended PSU 650 W Afterburner OC Y DirectX Version Support 12 OpenGL Version Support 4.5 Multi-GPU Technology Crossfire, 4-Way (Bridgeless) Maximum Displays 4 VR Ready Y Accessories 6-pin to 8-pin power cable x 1 Item Dimension ( L inchxW inchxH inch) 14 x 11 x 4