PowerColor PCS+ AMD Radeon R9 290 4GB GDDR5 OC 2DVI/HDMI/DisplayPort PCI-Express Video Card AXR9 290 4GBD5-PPDHE Core Clock: 1040 MHz Video Memory: 4GB GDDR5 Bus: PCI-Express 3.0 x16 Max. Resolution: 4096 x 2160 Input: 6Pin PCI-E Power Connector, 8Pin PCI-E Power Connector, Output: 2x DVI-D Dual Link, HDMI, DisplayPort