If you are replacing an existing system board, check the original chassis dimensions, as Dell occasionally utilized custom front-panel header pinouts for the OptiPlex framework. oPtiPlex 780 - Dell
The is a highly durable, legacy workstation board natively engineered for enterprise-class legacy desktop systems like the Dell OptiPlex 780 and 760 series . Built on the robust Intel Q45 Express chipset Architecture , this motherboard balances vintage processing capabilities with corporate-grade stability features like Intel vPro technology.
The Dell E93839 GA0402 motherboard Go to product viewer dialog for this item. dell e93839 ga0402 motherboard specs upd
: Typically ranges from $12 to $40 for used units on platforms like eBay .
If you plan to keep this motherboard rather than replace the entire system, here is the best order of operations for upgrades: If you are replacing an existing system board,
The Dell E93839 (main identifier) / GA0402 (Dell P/N) is a system motherboard designed for the form factor. This board utilizes the Intel H61 Express Chipset and supports Intel 2nd Generation Core processors (Sandy Bridge). It is a standard ATX-style board tailored specifically for the OptiPlex chassis with proprietary front panel I/O connectors.
Intel Q45 Express chipset paired with the ICH10DO (I/O Controller Hub). This combination delivers native support for vPro technology, advanced security properties, and robust data handling. The Dell E93839 GA0402 motherboard Go to product
The latest BIOS version for systems with this motherboard is typically (or similar for Optiplex 780 models). This version was released years ago as Dell stopped supporting these systems around 2015.
The "skeleton" of this motherboard defines what it can and cannot do. Here is the breakdown of the raw technical data based on user manuals and community testing.
: Validated maximum of 8 GB total (utilizing 4 x 2GB memory modules). Dell OptiPlex 780 Service Manual--Mini Tower Computer
Understanding its exact specifications is crucial for several reasons. Primarily, it's the key to any upgrade path. If you have an old system with this board, its specs dictate what faster CPU, more RAM, or better graphics card you can install to breathe new life into it. Secondly, this information is a goldmine for . Knowing the official specs helps you identify compatibility issues, from a RAM stick that doesn't work to a graphics card that your power supply can't handle.