Sapphire 11265-05-20G Radeon Pulse RX 580 8GB GDDR5 Dual HDMI / DVI-D / Dual DP OC with Backplate (UEFI) PCI-E Graphics Card Graphic Cards Go to amazon.com Related posts Check expert advices for gddr5 256 bit? Feature2 x HDMI; 1 x DVI-D; 2 x DP256-bit Memory BusCooling Technology: Dual Fan DescriptionSapphire Radeon PULSE RX 580 8GB GDDR5 DUAL HDMI/DVI-D/DUAL DP OC w/backplate (UEFI) PCI-E Graphics Card.