DELL 531S SMALL FORM FACTOR DESKTOP COMPUTER , 64X2 ATHLON PROCESSOR I BELIEVE ITS A 2.10 GHZ.  OVERALL VERY GOOD CONDITION. WORKS GREAT.  HAS WINDOWS 7 PRO , 128 GIG SSD HARD DRIVE. 4 GIG RAM MEMORY. DVD DRIVE AND CD/RW .  THE DRIVE WORKS FINE BUT DOOR WILL STICK OPEN , JUST HAVE TO PUSH IT CLOSED, LOADED WITH WINDOWS 7 PRO. AND SOME SOFTWARE LOADED, OFFICE 2007, AVAST ANTI VIRUS THIS IS THE FREE VERSION, YOU WOULD HAVE TO UP GRADE TO PURCHASE VERSION IF YOU WANTED TO.  C CLEANER , VLC  , AND SUPERMIUM BROWSER THIS WORKS  GREAT FOR WINDOWS 7 , ALL READY TO PLUG AND PLAY.