Good things come in small packages, and this small form factor PC is the proof! The Dell OptiPlex 990 SFF may take less space, but it offers just as much power. It measures less than 12" tall, 4" wide and 12" deep.
It's no wonder these are sought after Computers in the Point of Sale world. You can't buy a more powerful, smaller computer. This particular OptiPlex 990 SFF sold for over a thousand bucks. You can get one today for a fraction of the original price with a one-year warranty included.