yes,used thermal grease,put the cpu in myself,went thruough about 4 or 5 cpu's before I learned about cpu's,intel pbz875 motherboard cybersport 850 watt power supply,2 lg dvd drives,is currently offline though until I can install a new 250gb western digital caviar 7200rpm hard drive after my seagate 1 tb refurbished one refused to reformat after a virus killed my operating system and it has a pentium4 1060 ghz cpu