The MSI N9800GT 512M OC is a factory overclocked GeForce 9800 GT graphics card that has an improved cooling solution. This sub $120 graphics card has a core clock frequency of 660MHz and the 512MB GDDR3 frame buffer runs at 1900MHz. This is a nice bump up from the factory clocked cards that are 600MHz core and 1800MHz memory. Read on to see how it does and if it can overclock further!