MSI R4770-T2D512 Radeon HD4770 512MB GDDR5 PCI Express 2.0 x16 HDCP Ready CrossFire Supported Video Card Product name R4770-T2D512 GPU Radeon HD4770 Core Clock 750Mhz Memory Clock 3200Mhz Stream Processor 800 Memory Type GDDR5 Memory Size 512MB Memory Bus 128bit TV Out 2x DVI out port