XFX ATI Radeon HD4550 512MB DDR2 VGA/DVI/HDTV Low-Profile PCI-Express Video Card HD455XYAF2

Chipset: Radeon HD4550 Engine Clock: 625 MHz Video Memory: 512MB DDR2 Memory Clock: 1000 MHz Memory Interface: 64-bitBus: PCI-Express 2.0 x16 RAMDAC: 400 MHz Stream Processing Units: 80 Max. Resolution: 2560 x 1600Connectors: VGA, DVI, HDTV Thermal: Fansink Support HDCP - High-bandwidth Digital Content ProtectionSupport Microsoft DirectX 10.1 and OpenGL 2.0 Support ATI Avivo HD video and display technology Support ATI PowerPlay technologyLow Profile Design 300 Watts Minimum Power Supply Requirement RoHS compliant