Mini PC Motherboards for Custom Builds
Mini PC motherboards are the foundation of a compact custom computer build. Many small form factor boards include powerful processors, multiple storage options, and support for modern RAM. If you prefer building your own mini PC instead of buying a prebuilt system, these motherboards give you the flexibility to choose your own memory, storage, cooling, and other components.
Before purchasing any parts, make sure the motherboard is compatible with the RAM, storage drives, cooling solution, and case you plan to use. Always review specifications carefully to ensure your components work together properly. Building a custom mini PC can deliver excellent performance and flexibility, but compatibility between parts is essential for a successful build.
Gigabyte A520I AC Mini-ITX AM4 Motherboard
A compact Mini-ITX motherboard designed for AMD Ryzen AM4 processors, making it a strong foundation for small form-factor PC builds. It supports up to 64 GB of DDR4 memory, includes PCIe 3.0 NVMe M.2 storage, and provides built-in Wi-Fi and Bluetooth, which is useful for compact systems without extra expansion cards.
Because of its small size and integrated connectivity, this board works well for custom mini PC builds, home gaming setups, or compact desktop systems where space is limited but performance still matters.
ASUS ROG STRIX B860‑I GAMING WIFI Mini‑ITX Motherboard
A high-end Mini-ITX motherboard built for Intel Core Ultra (Series 2) processors using the LGA 1851 socket, designed for compact gaming or workstation builds. It supports DDR5 memory, PCIe 5.0 graphics, and high-speed M.2 storage, while also including modern connectivity like WiFi 7, 2.5 Gb Ethernet, and Thunderbolt 4 for fast peripherals and external GPUs. Its strong 10+1+2+1 power stage design helps maintain stable performance during demanding workloads such as gaming, AI tasks, or heavy multitasking.
This motherboard is ideal for builders who want to create a powerful compact PC with upgradeable components and modern connectivity.
ASRock B450M‑HDV R4.0 Micro‑ATX AM4 Motherboard
A reliable budget-friendly Micro-ATX motherboard built for AMD Ryzen processors using the AM4 socket. It supports Ryzen 2000, 3000, and 5000 series CPUs, making it a flexible option for custom mini PC or compact gaming builds. The board includes two DDR4 slots supporting up to 64 GB RAM, an Ultra M.2 slot for high-speed NVMe SSD storage, and multiple display outputs such as HDMI, DVI-D, and VGA for integrated graphics setups. It also provides four SATA 6 Gb/s ports for additional storage and a PCIe 3.0 x16 slot for installing a dedicated graphics card if you want stronger gaming performance.
This motherboard is a good choice for builders who want to create a compact and affordable gaming or productivity PC while keeping upgrade options open.
LGA 1155 Mini-ITX Desktop Motherboard
A compact Mini-ITX motherboard designed for Intel LGA 1155 processors, supporting older Intel CPUs such as 2nd and 3rd generation Core processors. It includes DDR3 memory support, NVMe M.2 storage compatibility, and multiple display outputs like VGA and HDMI, making it suitable for compact budget builds or repurposed systems. With up to 10 USB 2.0 ports, this board offers plenty of connectivity for peripherals, making it a practical option for low-cost mini PC projects, media centers, or light gaming setups.
ASRock B650I Lightning WiFi Mini-ITX AM5 Motherboard
A powerful Mini-ITX motherboard built for AMD Ryzen 7000, 8000, and 9000 series processors using the AM5 socket, designed for compact high-performance builds. It supports DDR5 memory up to 7200+ MHz (OC) and includes PCIe 5.0 M.2 storage for ultra-fast SSD performance. With 2.5 Gb Ethernet and WiFi 6E, this board delivers fast networking for gaming, streaming, and productivity. The 8+2+1 power phase design helps maintain stable power delivery, making it a strong foundation for a powerful small-form-factor gaming or workstation PC.
GIGABYTE A620I AX Mini‑ITX AM5 Motherboard
A compact Mini-ITX motherboard built for AMD Ryzen 7000, 8000, and 9000 series processors using the AM5 socket, making it a strong foundation for modern small-form-factor PC builds. It supports DDR5 memory, PCIe 4.0 graphics, and high-speed NVMe M.2 storage, allowing builders to create powerful compact systems with fast performance and upgrade potential. The board also includes Wi-Fi 6E and 2.5 Gb Ethernet, providing fast networking for gaming, streaming, and everyday productivity.
Because of its size and modern platform support, this motherboard works well for custom mini PC builds, compact gaming systems, or space-saving workstation setups while still allowing strong CPU and storage performance.
ASUS ROG Strix B850-I Gaming WiFi Mini-ITX AM5 Motherboard
A premium Mini-ITX motherboard built for AMD Ryzen 7000, 8000, and newer AM5 processors, designed for high-performance compact gaming systems. It supports DDR5 memory, PCIe 5.0 graphics, and dual M.2 NVMe SSD slots for extremely fast storage performance. With WiFi 7 and 2.5 Gb Ethernet, it provides ultra-fast networking for gaming and streaming. The 10+2+1 power stage design and AI overclocking features help deliver stable performance even during demanding workloads, making it an excellent foundation for powerful small-form-factor builds.
GIGABYTE Z890I AORUS Ultra Mini-ITX Motherboard
A high-performance Mini-ITX motherboard designed for Intel Core Ultra (Series 2) processors using the LGA 1851 socket, built for powerful compact gaming and workstation systems. It supports DDR5 memory, PCIe 5.0 graphics, and dual M.2 NVMe SSD slots for extremely fast storage performance. With Thunderbolt 4, WiFi 7, and 2.5 Gb Ethernet, it provides fast connectivity for external GPUs, high-speed peripherals, and modern networking. This board is ideal for builders looking to create a premium small-form-factor PC with strong performance and future-ready features.
GIGABYTE X870I AORUS PRO ICE Mini-ITX AM5 Motherboard
A premium Mini-ITX motherboard designed for AMD Ryzen 7000, 8000, and newer AM5 processors, built for powerful compact gaming and workstation systems. It supports DDR5 memory, PCIe 5.0 graphics, and dual M.2 NVMe SSD slots for ultra-fast storage performance. With WiFi 7, 2.5 Gb Ethernet, and high-speed USB-C connectivity, it offers modern networking and peripheral support for demanding setups. Its strong power design and compact layout make it ideal for building a high-performance small-form-factor gaming PC while keeping your system compact and upgradeable.
MSI MPG B650I Edge WiFi Mini-ITX AM5 Motherboard
A compact Mini-ITX gaming motherboard designed for AMD Ryzen 7000, 8000, and 9000 series processors using the AM5 socket, making it a strong foundation for modern small-form-factor builds. It supports DDR5 memory, PCIe 4.0 graphics, and high-speed M.2 NVMe storage, delivering fast performance for gaming and multitasking. The board also includes Wi-Fi 6E, Bluetooth 5.3, and 2.5 Gb Ethernet, providing reliable high-speed networking in a compact system.
MINISFORUM BD895i SE Mini PC Motherboard (Ryzen 9 8945HX)
A powerful Mini PC motherboard with an integrated AMD Ryzen 9 8945HX processor (16 cores / 32 threads) designed for high-performance compact builds. It includes two DDR5 SODIMM slots for upgradeable memory and dual PCIe 4.0 NVMe SSD slots for fast storage, giving builders flexibility when configuring their system. With HDMI, DisplayPort, and USB-C triple display outputs, this board is ideal for creating a compact gaming or workstation mini PC while allowing full customization of RAM, storage, and cooling.