Sapphire Radeon VAPOR-X R9 290X 8GB GDDR5 DUAL DVI-D/HDMI/DP TRI-X PCI-Express Graphics Card 11226-11-40G Chipset: AMD Radeon R9 290X Engine Clock: 1030 MHz Video Memory: 8GB GDDR5 Max. Resolution: 4096 x 2160, Support 4x Display Monitors 2 x Dual-Link DVI-D 1 x Display Port 1.2 1 x HDMI (with 3D)