An Extended ATX (E-ATX) motherboard is a larger form factor for computer motherboards than the standard ATX form factor. It is designed to provide more expansion slots and features for high-performance computers, such as gaming PCs and workstations.

E-ATX Motherboard Specifications

• Dimensions: 305 mm (12 inches) x 280 mm (11 inches)
• Expansion slots: 9 to 12 PCIe slots, 2 to 4 PCI slots
• Memory slots: 4 to 8 DIMM slots
• SATA ports: 6 to 10 SATA ports
• M.2 slots: 2 to 4 M.2 slots
• USB ports: 6 to 16 USB ports
• Audio: Realtek ALC1220 codec or similar
• Networking: Gigabit Ethernet, Wi-Fi 6 (optional)
• Power connectors: 24-pin ATX power connector, 4-pin or 8-pin CPU power connector
• Form factor: E-ATX

THE E-ATX Motherboard Features

• Support for a wide range of processors, including Intel Core, AMD Ryzen, and VIA Nano processors
• Large number of expansion slots for adding graphics cards, sound cards, and other hardware
• Support for fast storage technologies, such as NVMe SSDs
• A variety of USB ports for connecting peripherals
• High-quality audio codecs for superior sound quality
• Gigabit Ethernet for reliable wired internet connectivity
• Wi-Fi 6 (optional) for high-speed wireless connectivity

E-ATX Motherboard Limitations

• Larger size than ATX motherboards
• May be more expensive than ATX motherboards
• May not be suitable for mid-tower or smaller cases

Overall, E-ATX motherboards are a good choice for high-performance computers that require a lot of expansion slots and features. They offer a wide range of features and support for a variety of hardware, making them a good choice for gamers, enthusiasts, and professionals.

Here are some popular E-ATX motherboards:

• ASUS ROG Strix Z790-E Gaming WiFi
• MSI MEG Z790 ACE
• Gigabyte X670E AORUS MASTER

I hope this information is helpful. Please let me know if you have any other questions.