Listing for Motherboard From Dell Optiplex 390 With Intel Core i3-2120 running at 3.30 GHz With 4 GB of RAM installed. Mother board part number is 0M5DCD. This motherboard has been tested and is known working. The fan and heat Sync are included in this listing. This motherboard has been blown off but may require further cleaning before putting it in to production. Please review the pictures for condition. Returns are accepted however if it is returned we will be checking serial numbers on all returns, if the serial numbers of what is returned are different we cannot issue a refund(Service Tag = BWQLYR1). If you have any questions let us know and thank you for looking.