Genuine Dell TY565 HR330 RF703 Optiplex 745c 745 755 Intel Q965 Express Socket 755 LGA755 Tower Motherboard Logic Main System Board Compatible Part Numbers: TY565, HR330, KW626, RF703, RF699, RW126 Part Number: RF703 Type: Motherboard CPU Socket Type: LGA775 Socket CHIPSET Intel Q965 Express Compatible Model: Dell Optiplex 745 745c 755