Gigabyte Technology: There are three new graphics cards – GV-N65TOC-2GI rev. 2.0, GV-N650WF2-2GI rev. 1.0 and GV-N650WF2-1GI rev. 3.0. The first is an overclocked version of the GeForce GTX 650 Ti with 2 GB of GDDR5 on board, the other two use a more modest GPU GK107, operate at higher frequencies and are equipped with different amounts of buffer memory – 2 GB respectively, and 1 GB of GDDR5.