Buyer's remorse summary: the most common issues that customers have with their ITX Motherboards are typically related to ITX motherboards have limited expansion options due to their smaller size, which can lead to issues with compatibility. Customers need to ensure that their CPU, RAM, GPU, and cooling solutions are compatible with the motherboard. For example, some ITX boards might not support larger GPUs or specific types of RAM. **Compatibility with Components** , ITX motherboards typically come with fewer PCIe slots compared to larger form factors. This limitation can be a concern for users who wish to install multiple graphics cards, sound cards, or other expansion cards. Customers may find themselves restricted in terms of future upgrades. **Limited Expansion Slots and Ports** , Due to their compact design, ITX motherboards often have less space for air circulation, which can lead to thermal issues. Customers may need to invest in efficient cooling solutions, and they should ensure that their case has good airflow to prevent overheating. **Thermal Management** and Many ITX motherboards only provide two RAM slots, which can restrict memory capacity and future upgrades. This can be a concern for customers looking to maximize performance or who anticipate needing additional RAM in the future. **RAM Slot Limitations** .

We compiled the list of the most popular ITX Motherboards of 2025 that have received the fewest complaints in these categories.