Mini-ITX cases offer a compact and space-saving alternative to more traditional ATX cases for building a computer. They have a number of features that make them an attractive option for many users:

Small size: mini-ITX cases are smaller and lighter than traditional cases, making them an ideal choice for saving space or for travelling users. They are ideal for small desktops, living room entertainment centres or other spaces where space is limited.

Portability: This makes them a good choice for those who need a laptop but still want the ability to customize and upgrade components.

Performance: Although small, Mini-ITX cases can still support powerful components such as high-performance processors and graphics cards. This makes them a good option for those who want to build a compact, yet powerful computer.

Versatility: They can support multiple storage drives, expansion cards and other accessories, allowing users to customise their computer to suit their needs.

Aesthetics: They often offer a minimalist and clean look that can be appealing to those who appreciate an aesthetic eye.

In summary, Mini-ITX cases offer a compact yet powerful alternative to building a computer, and are particularly well suited to space-saving or minimalist setups. They offer versatility, portability and a sleek appearance, making them an attractive option for many users.