HIS Radeon HD 5450 512 MB DDR3 HDMI Dual Link DVI (HDCP) PCI Low Profile Video Card Retail (RoHS) H545H512P Chipset: Radeon HD5450 Engine Clock: 650 MHz Video Memory: 512MB DDR3 Memory Clock: 1000 MHz Memory Interface: 64-bit Bus: PCI 3.0 RAMDAC: 400 MHz Max. Resolution: 2560 x 1600 Connectors: VGA; DVI; HDMI Thermal: Fanless Support Microsoft Windows 7 Support ATI Stream Technology Support ATI Avivo HD Technology Support ATI Power Play Technology Support HDCP - High-bandwidth Digital Content Protection Support Microsoft DirectX 11 and OpenGL 3.2 400 Watt or greater power supply recommended Low Profile Design with low profile bracket bundled