Recommended Video Adapter: DisplayPort 1.2 to HDMI 1.4 Type II - Passive or Mini DisplayPort to DisplayPort. USB Ports: USB 2.0 x 1 (HTC Vive) or USB 2.0 x 1 + USB 3.0 x 3 (Oculus Rift); additional USB ports optional for game pads and other peripherals Operating System: Windows 7 SPI (64bit) or higher Memory/RAM: 8GB+ RAM Multi-GPU System: SLI certification recommended Get more details on workstation and mobile workstation board features for virtual reality.