Precision 3630 Tower. Dell says the Precision 3630 Tower PC is 23 percent smaller than the previous generation model -- at 13.19 x 6.95 x 13.58 inches -- but still packs in a hefty amount of power.

Dell's monster Precision 5820 Tower Xeon workstation offers extreme performance and IT-friendly serviceability and upgradability. As configured, it also rings up good value versus competing power ...