The Chaintech GeForce 6800GS 256MB DDR3 PCI-Express graphic card is great mid range graphic card. The performance of this Chaintech GeForce 6800 256MB PCI-Express graphic card is very good during our testing in various benchmark and games. For the overclocking results from this Chaintech GeForce 6800GS 256MB DDR3 PCI-Express graphic card is very good as well. There was an increment of 93MHz for the core and 300MHz for the memory that brings up from the default at 425/1000MHz to 518/1300MHz...