GTX660 2GB USED VGA CARDS Powered by NVIDIA GeForce GTX 660 GPU Integrated with the first 2048MB GDDR5 memory and 192-bit memory interface Features Dual-link DVI-I / DVI-D / HDMI / DisplayPort Core Clock: Base / Boost clock：1033 / 1098 MHz Support PCI Express 3.0 x16 bus interface Support NVIDIA 3D Vision™ Surround and SLI technologies Support NVIDIA® CUDA™ Technology Support NVIDIA® PhysX™ Technology Support NVIDIA® FXAA / TXAA Technology Support NVIDIA® Adaptive Vertical Sync Technology System power supply requirement: 450W
