Dell E93839 Ga0402 Motherboard Specs Upd < 100% PREMIUM >

Dell E93839 (GA0402) Motherboard: In-Depth Specs, Upgrades, and Compatibility Guide

If you are working with a legacy Dell desktop—specifically the OptiPlex 755 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.

Final Verdict

The Dell E93839 (GA0402) is a solid, reliable platform. If you can pick this board up used for a low price to repair a broken OptiPlex, it is absolutely worth it. The combination of NVMe support and TPM 2.0 extends the usable life of this machine for at least another 3–4 years of office work, web browsing, and light productivity. dell e93839 ga0402 motherboard specs upd

variant used in Mini-Tower (MT) and Desktop (DT) configurations. Core Specifications Dell OptiPlex 780 Service Manual--Mini Tower Computer Form Factor : ATX (Advanced Technology eXtended) form

Chipset: Information about the chipset model isn't provided directly, but it's essential for determining compatibility with processors and other components. BIOS and Firmware 6

• Form Factor: ATX (Advanced Technology eXtended) form factor, 304.8 mm x 266.7 mm (12 in x 10.5 in)
• Weight: approximately 1.36 kg (3 lbs)

BIOS and Firmware

6. Rear I/O Ports (Integrated)

• PS/2: 2 (keyboard + mouse)
• VGA: 1 (D-Sub)
• DisplayPort: 1 (optional on some revisions)
• USB 2.0: 6-8 (typically 4 rear, 4 internal headers)
• USB 3.0: None (Q65 chipset lacks native USB 3.0 – add via PCIe card).
• Audio: 3 x 3.5mm jacks (Line-out, Line-in, Mic) – Realtek ALC269/ALC662.
• Ethernet: 1 x Gigabit (Intel 82579LM).
• Serial Port: 1 (DB9 male) – optional on header.

Helpful Review: Is it Worth Buying?

If you are looking to repair an OptiPlex 7040 or build a compact office rig, here is the practical "real world" review of this board.

• NVMe Support: Boot speeds are excellent with a standard M.2 NVMe drive.
• Windows 11 Ready: Native TPM 2.0 support.
• Stability: Enterprise-grade reliability; rarely fails under normal use.
• Dual Display: Supports multi-monitor setups natively without a GPU (great for office setups).