: This board uses standard 24-pin and 4-pin power connectors.
Dell frequently utilizes standard ATX 24-pin wiring layouts on the OptiPlex 780 mini-towers, but smaller form-factor editions (SFF/DT) might feature mini-24 pin designs. Verify your power supply unit compatibility carefully.
| Feature | Details | |-----------------------|---------| | | Intel Q87 Express (for OptiPlex 7020) or H81 (for 3020 variant – verify sticker) | | CPU Socket | LGA 1150 | | Supported CPUs | 4th Gen Intel Core (Haswell): i3, i5, i7, Pentium, Celeron | | RAM | 4 x DDR3 DIMM slots, up to 32GB, 1600MHz (non-ECC) | | Expansion Slots | 1 x PCIe x16, 1 x PCIe x4, 1 x PCIe x1, 1 x PCI (legacy) | | Storage | 4 x SATA 3.0 (6 Gbps) | | Rear I/O | PS/2 (keyboard/mouse), 4 x USB 3.0, 2 x USB 2.0, RJ-45, VGA, DisplayPort, audio jacks (line out, mic) | | Internal headers | Front USB 3.0, USB 2.0, audio, COM port (optional), chassis fan, CPU fan | | Power connector | 24-pin ATX + 4-pin CPU | | Network | Intel I217-LM Gigabit Ethernet | | Audio | Realtek ALC3220 (High Definition Audio) | dell e93839 ga0402 motherboard specs upd
| Feature | Specification | | :--- | :--- | | | E93839 / GA0402 (CN-0GA0402) | | Compatible System | Dell OptiPlex 7040 (MT, SFF, Micro) | | Chipset | Intel Q170 Express (C610 Series) | | CPU Socket | LGA 1151 (Skylake, 6th Gen only*) | | CPU Support | Intel Core i3, i5, i7 (6th Gen), Pentium, Celeron | | Memory Slots | 2 x DDR4 DIMM Slots (Dual Channel) | | Max Memory | 64GB DDR4 (2133MHz / 2400MHz downclocked) | | Storage Connectors | 1x M.2 PCIe NVMe Slot, 1x M.2 WiFi Slot, Standard SATA 6Gb/s ports | | Video Outputs | DisplayPort, HDMI (varies by chassis form factor) | | LAN | Intel I219LM Gigabit Ethernet | | USB | USB 3.0 / USB 3.1 Gen 1 support | | Power Connector | 12V DC Input (for Micro) or Standard 24-Pin (Tower/SFF variations apply) |
If you are working with a legacy Dell desktop—specifically the or Inspiron 530/531 series—you have likely encountered the motherboard model number E93839 or its alias GA0402 . This motherboard is a staple of Dell’s mid-to-late 2000s business-class lineup. While not a high-performance board by today’s standards, understanding its specifications and upgrade paths can breathe new life into an old system for basic computing, home server duty, or retro gaming. : This board uses standard 24-pin and 4-pin power connectors
The part number is most commonly associated with the OptiPlex 7040 Micro (the tiny pizza-box size).
Upgrade to using matched modules for the best performance. This will significantly improve multi-tasking and modern web browsing. Use CPU-Z or similar tools to identify your exact motherboard variant before buying RAM. The part number is most commonly associated with
Equipped with the , this motherboard supports a broad range of Intel's 45nm and 65nm multi-core processors. It accommodates a Front Side Bus (FSB) speed of up to 1333 MHz . Supported CPU families include: