Dell Optiplex 760 Motherboard M858N. Dell Part# M858N 0M858N - Featuring Intel Chipset LGA775. The Intel board harnesses the advanced computing power of the latest Intel Pentium 4 LGA775 processor supporting Hyper-Threading Technology.Specifications:Manufacturer: Dell ( OEM for Dell Optiplex 760 )Dell Compatible Part#: M858N 0M858NSocket: LGA775Expansion Slots: 2 PCI, 1 PCI Express x16, 1 PCI Express x1Other Features: Hyper-Threading Technology SupportAudio: Integrated AudioRear Ports:(1) VGA(8) USB 2.0 (6 rear)(1) Display Port(1) Serial(1) Parallel(1) ESATA(2) Line-in (stereo/microphone)(2) Line-out (headphone/speaker)(1) LANMemory: DDR2 SDRAM 4 DIMM connectors slots