WG82578DC 82578DC Intel Ethernet IC Gigabit QFN48

The WG82578DC, also referred to as 82578DC, is an Intel Gigabit Ethernet Controller IC used on many laptop and desktop motherboards. It handles LAN interface, PHY layer operations, and network communication with stable 10/100/1000 Mbps performance. The device comes in a QFN-48 package and is commonly found on HP, Dell, Lenovo, Acer, ASUS and Intel-based boards.

This IC is frequently replaced when a motherboard loses LAN detection, shows MAC address failure, or experiences unstable network connection issues. OKSpare provides IC ready stock, reliable sourcing, and safe packaging for chip-level repair engineers.

Technical Summary

• Part Number: WG82578DC / 82578DC
• Type: Intel Gigabit Ethernet Controller
• Package: QFN-48
• Speed: 10/100/1000 Mbps
• Functions: Network PHY, Ethernet MAC, LAN interface controller
• Applications: Laptop motherboards, desktop motherboards, Intel chipset boards