MSI ATI Radeon HD6770 1 GB DDR5 VGA/DVI/HDMI PCI-Express Video Card R6770-MD1GD5 Chipset: Radeon HD6770 Engine Clock: 800 MHz Video Memory: 1GB DDR5 Memory Clock: 4400 MHz Support ATI CrossFireX Technology Support HDCP - High-bandwidth Digital Content Protection Support Microsoft DirectX 11 and OpenGL 4.1