AMD Radeon RX GB GDDR5; Engine Clock: MHz Boost Engine Clock: 932 MHz Memory Clock: MHz Effective Memory Interface: 256-bit Bus: PCI-Express 3.0 Stream Processors: RAMDAC: 400 MHz Max. Resolution: x , Support 4x Display Monitors Connectors: Input: 1x 6Pin PCI-E Power Connector, Output: HDMI, 3x DisplayPorts