PowerColor AMD Radeon HD 7790 1GB GDDR5 OC 2DVI/HDMI/DisplayPort PCI-Express Video Card AX7790 1GBD5-DH/OC Chipset: AMD Radeon HD 7790 Video Memory: 1GB GDDR5 Memory Clock: 4x 1500 MHz (6.0 Gbps) Memory Interface: 128-bit Max. Resolution: 4096 x 2160 Connectors: DVI-I, DVI-D, HDMI, DisplayPort RAMDAC: 400 MHz Engine Clock: 1030 MHz