|Slow compared to what? |
Did this same computer run things faster previously?
Supply all the details you can come up with.
Find the Cybertronpc brand name's part number for the model - it's probably on the outside if the case somewhere.
Intel® Desktop Board DG33FB
Did the computer come with that?
Did the computer come with the 9400GT, or did you upgrade to that?
When I searched using: cybertronpc Q6600 "9400gt" 2.4 667
there was no Cybertronpc that had both the 9400GT and 667mhz ram - 9400GT and 800mhz ram, yes.