This is a genuine Dell Optiplex 780 Motherboard. We have done more than just test this motherboard. Here at Discount Electronics we go one step further and replace any components that have potential to fail in the near future.
Compatible Dell Part Numbers: 3NVJ6
NOT for custom installations or upgrades
UNLESS you have the correct DELL power
supply to go with it -- PROPRIETARY CONNECTORS.
Board arrived next day and works as expected.