HP Compaq DC5750 Desktop PC (Athlon 64 X2 3800+ 2.0GHz 2GB 80GB DVD&plusmn;RW XP Professional Small Form Factor) HP Compaq dc5750 Athlon 64 X2 3800+ 2.0 GHz Small Form Factor General Features: Small Form Factor Microsoft Windows XP Professional pre-installed w/CoA AMD Athlon 64 X2 3800+ 2.0 GHz dual-core processor 2000 HT speed, 89W thermal power, 2 x 128 KB L2 cache, 90 nm lithography, Socket AM2 2 GB DDR2 RAM (supports up to 8 GB)