Powered by Dual NVIDIA GeForce GTX 680 GPU. Integrated with the first 4096MB GDDR5 memory and 512-bit memory interface. Features Dual link DVI-I*2/ DVI-D/ mini DisplayPort with HDCP protection. PCI-E 3.0 interface Support NVIDIA 3D Vision . Surround and SLI technologies. Support NVIDIA CUDA Technology. Support NVIDIA PhyX Technology. System power supply requirement: 650W. model : GIGABYTE GeForce GTX 690 Graphics Card tag : Video - Graphic Cards