ASUS GeForce GTX690 4096MB GDDR5 512bit, Dual GPU, 2xDVI-I,DVI-D,mDisplayPort, Quad SLI Ready Graphics Card Graphics Cards GTX690-4GD5 Dual 28nm GPU with 4 GB GDDR5 NVIDIA GPU Boost technology that dynamically maximizes clock speeds to push performance to new levels NVIDIA Adaptive Vertical Sync adjusts VSync to current frame rates for maximum playability Bring games to life with NVIDIA Surround multi-monitor gaming on a single card PCI Express 3.0 Delivers double the bandwidth per lane of PCIe Gen 2 for faster GPU - CPU communication Chipset: NVIDIA GeForce GTX 690 Video Memory: 4GB GDDR5 Memory Interface: 512-bit Bus: PCI-Express 3.0 x16 Max. Resolution: 2560 x 1600 Connectors: DVI-I, DVI-D, Mini DisplayPort