• Chipset Radeon R9 285• Memory Clock 5500 MHz• Process Technology 28 nm• Memory Size 2048 MB• Memory Bus 256 bit• Core Clock OC to 973 MHz (base
918 MHz)• Card Bus PCI-E 3.0• DirectX 11.2• OpenGL 4.4• PCB Form ATX• Digital max resolution 4096 X 2160• Analog max resolution 2048 x 1536• Multi-view 4• I/O DVI-I / DVI-D / HDMI / DisplayPort• Card size L=261mm, W=141mm, H=42mm• Power requirement 500W(with two 6-pin external power connectors)