PowerColor Video Graphics Cards AXR9 290X 4GBD5-TDHE Video Memory: 4GB GDDR5 Max. Resolution: 4096 x 2160 Input: 6Pin PCI-E Power Connector, 8Pin PCI-E Power Connector; Output: 2x DVI-D Dual Link, HDMI, Display Port 750W Minimum System Power Supply Requirement