MSI
MSI B450I GAMING PLUS AC Mini ITX AM4 Motherboard
Best compact foundation for reliable small form factor gaming builds.
This MSI B450I GAMING PLUS AC motherboard is a compact Mini ITX solution designed for the AM4 socket. It features the AMD B450 chipset and supports DDR4 memory up to 64GB across two slots, with speeds ranging from DDR4-1866 to DDR4-3466. The board includes one PCIe x16 slot, two M.2 slots for storage, and four SATA 6.0 Gb/s ports. For connectivity, it offers onboard Ethernet with 1 Gb/s speeds, Wi-Fi 5, and Bluetooth. It also provides USB 2.0 and USB 3.2 Gen 1 headers for internal expansion.
$139.89
Owner Satisfaction
4.4
/ 5
Category Rank
441
/ 1130
#441 in Motherboards
Price vs Category Average
-58%
Below average
CPU Socket
4
/ AM
Who it's for
- Builders prioritizing space-saving and minimalist PC setups.
- Users seeking cable-free convenience and immediate wireless functionality.
- Gamers and budget-conscious builders seeking reliable Ryzen performance.
Who should skip it
- Enthusiasts planning extensive multi-card setups or numerous storage drives.
- Overclockers pushing high-core-count Ryzen CPUs to their limits.
- Users who anticipate needing more than 32GB or 64GB of RAM.
Key Specs
CPU Socket
AM4
Chipset
AMD B450
Form Factor
Mini ITX
Memory Type
DDR4
Max Memory Capacity
64 GB
Memory Slots
2
PCIe x16 Slots
1
M.2 Slots
2
Features
- Compact Mini ITX Form Factor
- Integrated Wi-Fi 5 and Bluetooth
- Supports DDR4 Memory up to 64GB
- Multiple Storage Options with M.2 and SATA
- AM4 Socket Compatibility
- RAID Support for Data Redundancy
What customers say
Customers consistently praise this motherboard for its exceptional reliability and strong value proposition within the mini ITX segment. Many highlight its stable performance, even when paired with more demanding processors, making it a dependable choice for compact gaming or productivity systems. The integrated WiFi AC is frequently cited as a convenient and well performing feature. Users appreciate that it delivers robust functionality without a premium price tag, making it an excellent foundation for small form factor builds seeking consistent operation and good connectivity.
Know before you buy
Yes, the Mini ITX form factor is compatible with almost any ATX or Micro-ATX case. However, keep in mind that it is physically smaller than standard boards, so it will leave extra space inside larger chassis.
This board supports DDR4 memory speeds up to 3466 MHz. While it handles high-performance RAM well, ensure your specific memory kit is on the motherboard's qualified vendor list (QVL) to guarantee stability at those higher speeds.
No, it comes with integrated Wi-Fi 5 and Bluetooth connectivity. You will find the necessary antenna ports on the rear I/O panel, so you can connect to wireless networks right out of the box.
You have excellent flexibility for a small board, with two M.2 slots for high-speed NVMe SSDs and four SATA 6.0 Gb/s ports for traditional hard drives or 2.5-inch SSDs.
This board uses the AM4 socket and B450 chipset, which supports a wide range of Ryzen processors. Depending on the specific CPU generation you plan to use, you may need to perform a BIOS update to ensure full compatibility.
Yes, the MSI B450I GAMING PLUS AC supports RAID 0, 1, and 10 configurations. This is a great feature if you want to set up data redundancy or improve storage performance using your connected SATA or M.2 drives.
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