PowerColor Video Graphics Card AX7790 1GBD5-TDH/OC Chipset: AMD Radeon HD 7790 Engine Clock: 1075 MHz Video Memory: 1GB GDDR5 Memory Interface: 128-bit Max. Resolution: 4096 x 2160 Connectors: DVI-I, DVI-D, HDMI, Display Port Memory Clock: 4x 1500 MHz (6.0 Gbps) Thermal: Fansink (Dual Fans)