XFX Double Dissipation 1015MHZ XXX OC 8GB DDR5 Graphics Cards R9-390P-8256 8GB DDR5 Memory XFX Double Dissipation Cooling Design 1015Mhz GPU Clock Card; Memory Bus: 512 bit Chipset version : Grenada Pro; Bus Type : PCI-E 3.0 Display Port ready : 1.2; Dual Link Support