XFX ATI Radeon HD5450 1 GB DDR3 VGA/DVI/HDMI Low Profile PCI-Express Video Card HD545XZCH2 1GB DDR3 Memory Low Profile Compatible with Low Profile Bracket Included Microsoft DirectX 11 Compatible Chipset: Radeon HD5450 Engine Clock: 650 MHz Video Memory: 1GB DDR3 Memory Clock: 1066MHz Memory Interface: 128-bit Bus: PCI-Express 2.0 x16 RAMDAC: 400 MHz Max. Resolution: 2560x1600 Connectors: VGA; DVI; HDMI Thermal: Fanless Support Microsoft Windows 7/Vista Support ATI Eyefinity Technology Support ATI Stream Technology Support ATI Power Play Technology Support ATI Avivo HD video and display Technology Support HDCP - High-bandwidth Digital Content Protection Support Microsoft DirectX 11, Shader Model 5.0 and OpenGL 3.2 Low Profile Design