Powercolor 4gb hdmi 3x displayport pci e graphics card specifications ean code axr9 nano 4gbhbm dh 4715409186809 graphics engine r9 nano video memory 4gb hbm stream processor 4096 units engine clock 1000mhz boost clock memory clock 500 mhz 10 gbps memory interface 4096bits bus standard pcie 30 display connectors hdmidp x3 form factor atx cooler 2 slot fan sink power connector one 8 pin pci express power conne