Mini ITX is a compact motherboard form factor designed for small computer systems. Measuring just 17 x 17 centimeters (6.7 x 6.7 inches), it allows for efficient use of space while still supporting essential components like a CPU, RAM, and storage. This makes it ideal for building small PCs, such as home theater systems or gaming rigs. Despite its small size, Mini ITX motherboards often come with various features, including multiple USB ports, integrated graphics, and support for high-speed storage. They are popular among enthusiasts who want to create powerful yet space-saving computers without sacrificing performance.