Logan takes a look at the awesome AMD Radeon HD 7970 graphics card, the fastest single graphic GPU on the market right now. It features 3GBs of GDDR5 memory and also a PCI-Express 3.0 (x16) interface. It's Eyefinity and CrossFireX ready and as far as connections go for this card it has a 1x DVI, 2x Mini DisplayPorts, and 1x HDMI port.