Powercolor devil r9 390x 8gb gddr5 dual link dvi d hdmi displayport pci e graphics card specifiactions ean code axr9 390x 8gbd5 adhe 4715409186519 graphics engine r9 390x video memory 8gb gddr5 stream processor 2816 units engine clock 1100mhz memory clock 1525mhz 61gbps memory interface 512bit bus standard pcie 30 display connectors dl dvi ddl dvi dhdmidp form factor atx cooler 2 slot fan sink with water cooling power connector one 6 pin one 8 pin pci express connector crossfir