Sapphire Radeon Pro Duo Video Card - 8GB 4096-bit x2 HBM - PCI Express 3.0 x16 - 1000 MHz Core Clock - 1 x HDMI - 3 x DisplayPort 1.2 - DirectX 12 - CrossFire Ready - Dual BIOS - AMD FreeSync - AMD LiquidVR (21253-00-40G)