ATI FirePro V4900 1 GB DDR5 DVI/2DisplayPort PCI-Express 2.1 x16 Video Card (100-505649) (Discontinued by Manufacturer) Chipset: ATI FirePro V4900 Video Memory: 1GB DDR5 Memory Interface: 128-bit Bus: PCI-Express 2.1 x16 Max. Resolution: 2560 x 1600 Memory Bandwidth: 64.0 GB/sec Connectors: DVI; 2x DisplayPort