PowerColor 2GB GDDR5 OC 2DVI/HDMI/DisplayPort PCI-Express Video Card AXR9 270X 2GBD5-DH/OC Chipset: AMD Radeon R9 270X Engine Clock: 1030 MHz Video Memory: 2GB GDDR5 Memory Interface: 256-bit Max. Resolution: 4096 x 2160 Connectors: DVI-I, DVI-D, HDMI, DisplayPort