Radeon RX 580 graphics processing unit; Crossfire, 2-way multi-GPU technology 4GB GDDR5 and 7000 MHz memory clock speed 2 DisplayPort, 2 HDMI, 1 DL-DVI-D Output Afterburner - Ultimate overclocking software with real-time hardware monitor Advanced airflow control technology enhances cooling performance OC graphics card equipped with high clock speeds for increased performance PCI Express x16 interface and Armor 2X thermal design Virtual reality ready - Certified to provide smooth performance Maximum of 4 displays; DirectX version support Black and white design - ARMOR cards fit any build