XFX AMD Radeon R9 290 Double Dissipation R9290AEDFD Graphic Card 947MHz 4GB DDR5 DP HDMI 2XDVI   XFX AMD Radeon R9 290 Double Dissipation R9290AEDFD Graphic Card 947MHz 4GB DDR5 DP HDMI 2XDVI Bus Type : PCI-E 3.0GPU Clock : 947MHzStream Processors : 2560 4GB 512-Bit GDDR5 @ 5.0GHz 4GB 512-Bit GDDR5 @ 5.0GHz XFX Dual Fan design for optimal cooling Lifetime warranty with registration within 30 days of purchase