The Dell E93839 GA0402 motherboard offers several benefits to users, including:

| Slot Type | Quantity | Notes | |-----------|----------|-------| | PCIe x16 (v2.0) | 1 | For graphics card (75W max from slot; extra power via PSU) | | PCIe x1 | 2 | For sound cards, network adapters | | PCI (32-bit/33MHz) | 1 | Legacy expansion | | Mini PCIe | 0 | Not present; uses mSATA? No – separate half-height WiFi card optional |

series. It is a legacy Intel-based board designed for business-class desktop performance, supporting the LGA 775 socket and DDR3 memory. Core Technical Specifications Dell OptiPlex 780 Service Manual--Mini Tower Computer

The variety and number of ports (USB 2.0, USB 3.0, USB-C, etc.) for connecting peripherals.

The "GA0402" is a Dell internal part number variant. This board is primarily known as the Dell 0D28YY (or similar revisions like 0C2KJT) in the OptiPlex 790/990 series. The E93839 is the PCB model number.

Before transplanting this motherboard into a third-party PC case, keep several crucial Dell-specific characteristics in mind:

If purchasing used, ensure the I/O shield (the metal backplate) is included or that you have your original one. Dell shields are often proprietary and difficult to find separately.