its not just the name it whats inside what size main buss? how much ddr mem, hard drive, which network card? graphics card? sound card? and don't get traped into the "speed" thing clock speed don't mean anything too ya if the rest of the componants are too slow and make sure she is expandable, so if you want too add more "mem sims" you can. But I am not a PC guru so someone else, How about a little help on this.