AMD ATI Radeon HD7450 1GB GDDR3 DVI DisplayPort PCI-Express 2.0 x16 Full Height Graphics Video Card 677894-001 677983-001.AMD Model Number: Radeon HD7450AMD Part Number: 7120236200GHP Part Number: 677894-001Compatible Part Numbers: 109-C26497-01 677983-001Specifications:Graphics Processor: AMD Radeon HD 7450Bus Interface Type PCI-Express 2.0 x16 Memory: 1GB GDDR3Memory Interface: 64-bitRAMDAC: 400 MHz Core Clock: 625 MHzMemory Clock: 800 MHzPorts: - 1 DisplayPort- 1 Dual Link DVI-I API Supported: - DirectX 11- OpenGL 4.0Display Max Resolution:Digital: 2560 x 1600Analog: 2048 x 1536