gateway essential 866 micro atx ....pIII 866mhz cpu...40gig hdd,512 ram(max),dvd rw,cd rw,floppy drive,fresh windows XP home,sp-3,avg anti virus,photo and other misc.software...great general use unit for the web,watching movies,burning movies and music,small,space saving and dependable.call --586-822-7921--other units for sale also