Nvidia GeForce GTX 980 4GB GDDR5 PCIe 3.0 x16 SLI DVI/HDMI/DP Gaming Graphics Card Advanced GPU Nvidia GeForce GTX 980 Memory size: 4GB GDDR5 Bus Support: PCI-Express 3.0 x16 Connectors: 1x DVI (Dual Link), 1x HDMI, 3x DisplayPort 1.2 Form factor: Dual slot