NVIDIA GeForce GTX 660M 1.5GB GDDR5 192-Bit PCI-Express x16 DVI-I DVI-D HDMI Display Port Graphics Video Card FPDH3 0FPDH3 CN-0FPDH3.Nvidia Model Number: GeForce GTX 660MDell Part Number: FPDH3 0FPDH3 CN-0FPDH3Specifications:Interface: PCI-Express X16Model: NVIDIA GeForce GTX 660MCUDA Cores: 960Base Clock: 980MHzBoost Clock: 1033MHzTexture Fill Rate: 78.4billion/secMemory Clock: 6.0 GbpsMemory Size: 1.5GBMemory Type: GDDR5Memory Interface Width: 192-bitMemory Bandwidth: 144.2GB/secMaximum Digital Resolution: 4096x2160Ports:1x Display Port1x HDMI1x DVI-D1x DVI-IFeature Support:OpenGL: 4.3DirectX: 12Supported Technologies:GPU Boost, PhysX, TXAA, NVIDIA G-SYNC-ready, 3D Vision, CUDA, Adaptive VSync, FXAA, 3D Vision Surround, SLI