Product Detail Chipset: FireGL V5600 Video Memory: 512MB DDR4 Memory Interface: 128-bit Memory Bandwidth: 35 GB/sec Bus: PCI-Express x16 RAMDAC: 400 MHz Stream Processors: 120 Max. Resolution: 3840 x 2400 Connectors: Dual DVI-I (Support Dual VGA) Thermal: Fansink Support Microsoft DirectX 10, Shader Model 4.0 and OpenGL 2.1Requirement: 350W Power Supply or greater . The "ATI FireGL V5600 512 MB Dual-DVI PCI-Express Video Card 100-505511" is best product for you. We recommended ATI FireGL V5600 512 MB Dual-DVI PCI-Express Video Card 100-505511