Full Details from Amazon.com : http://www.amazon.com/gp/product/B00JRSPX5S?tag=onigi-20
Gigabyte AMD Radeon R9 290 4GB GDDR5 2DVI/HDMI/DisplayPort PCI-Express Video Card GV-R929WF3-4GD
GIGABYTE GV-R929WF3-4GD AMD Radeon R9 290
Core Clock 947 MHz
4GB GDDR5 2DVIHDMIDisplayPort PCI-Express Video Card
Memory Interface?512-bit
Bus?PCI-Express 30
Max Resolution?4096 x 2160