Dell ATI Radeon HD 3450 256MB DDR2 DMS-59 S-Video PCI-Express Graphics Video Card X399D 0X399D CN-0X399DATI Model Number: Radeon HD3450Dell Part Number: X399D 0X399D CN-0X399DCompatible Part Numbers: ATI-102-B62902(B) 109-B62941-00Compatible Models: Dell OptiPlex 360 580 740 760 780 960 980 SeriesSpecifications:Chipset: Radeon HD 3450 Video Memory: 256MB DDR2 Memory Interface: 64-bit Bus: PCI-Express x16 (Support PCI-Express 2.0) RAMDAC: 400 MHz Steam Processors: 40 Max. Resolution: 2560 x 1600 Ports: 1 DMS-591 S-VideoRequirements: 300W or Greater Power Supply Recommended