A Mini-ITX (ITX) motherboard is the smallest standard form factor for computer motherboards. It is a popular choice for small form factor (SFF) builds, such as home theater PCs (HTPCs) and gaming rigs. ITX motherboards typically have the fewest expansion slots and features of all the standard form factors, but they are also the smallest and most affordable.

Mini-ITX Motherboard Specifications

• Dimensions: 170 mm (6.7 inches) x 170 mm (6.7 inches)
• Expansion slots: 1 to 2 PCIe slots
• Memory slots: 2 DIMM slots
• SATA ports: 2 to 4 SATA ports
• M.2 slots: 1 to 2 M.2 slots
• USB ports: 2 to 8 USB ports
• Audio: Realtek ALC887 codec or similar
• Networking: Gigabit Ethernet, Wi-Fi (optional)
• Power connectors: 24-pin ATX power connector, 4-pin or 8-pin CPU power connector
• Form factor: Mini-ITX

THE Mini-ITX Motherboard Features

• Smallest standard form factor for computer motherboards
• Affordable price point
• Support for a wide range of processors, including Intel Core, AMD Ryzen, and VIA Nano processors
• 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 (optional) for high-speed wireless connectivity

Mini-ITX Motherboard Limitations

• Fewest expansion slots, which may limit the future upgradeability of your PC
• May not have as many advanced features as some ATX motherboards
• May require a more specialized case

Overall, Mini-I TX motherboards are a good choice for SFF builds that require maximum portability and space efficiency. They offer a good balance of features and affordability for home theater PCs, gaming rigs, and other compact builds.

Here are some popular Mini-ITX motherboards:

• ASUS ROG Strix B660-I Gaming WiFi
• MSI MPG B660I EDGE WiFi
• Gigabyte B660I AORUS PRO AX