Product Detail GPU :Radeon HD 5570 Core Clock :650MHz Stream Processors: 400 Stream Processing Units Interface :PCI Express 2.1 x16 Memory Effective Memory Clock :800MHz Memory Size :1GB Memory Interface: 128-bit Memory Type :DDR3 3D API DirectX :DirectX 11 Ports HDMI :1 x HDMI D-SUB :1 x D-SUB DVI :1 x DVI Max Resolution :2560 x 1600 Cooler: 2 slots Silent Pipe Dual-Link DVI Supported :Yes HDCP Ready :Yes . The "PowerColor Radeon HD 5570 1 GB 128-bit DDR3 PCI-Express 2.1 x16 HDCP Ready Video Card AX5570 1GBK3-NS3H" is best product for you. We recommended PowerColor Radeon HD 5570 1 GB 128-bit DDR3 PCI-Express 2.1 x16 HDCP Ready Video Card AX5570 1GBK3-NS3H