XFX Radeon HD 7790 1GB 128-Bit DDR5 Graphics Cards FX-779A-ZNJ4 Chipset: AMD Radeon HD 7790 Core Clock: 1075MHz Memory: 1GB GDDR5 Memory Interface: 128-bit Interface: PCI Express 3.0 x16 Max Resolution: 4096 x 2160 Ports: 1 x HDMI, 1 x Mini DisplayPort, 2 x DVI