10 Best Micro Atx Motherboards 2026 in the United States
#1
Winner
ASUS Prime B550M-A WiFi II AMD Micro ATX Motherboard with PCIe 4.0, WiFi 6, ECC Memory, HDMI 2.1, RGB Header
The ASUS Prime B550M-A WiFi II is a solid choice for those looking to build a compact, high-performance PC using AMD Ryzen 3rd Gen processors. It features the AMD B550 chipset and an AM4 socket, which are well-suited for these CPUs. The motherboard supports DDR4 RAM with a maximum capacity of 128 GB, ensuring robust performance for multitasking and gaming.
Rating
10.0
Chosen by1,244
Chipset
CPU Socket
Expansion Slots
Most important from
986 reviews
#2
ASUS TUF Gaming A520M-PLUS (WiFi) AMD AM4 (3rd Gen Ryzen™) microATX Gaming Motherboard (M.2 Support, 802.11ac Wi-Fi, DisplayPort, HDMI, D-Sub, USB 3.2 Gen 1 Type-A and Aura Addressable Gen 2 headers)
The ASUS TUF Gaming A520M-PLUS (WiFi) microATX motherboard is designed for gamers and casual users with its robust features. It supports AMD AM4 socket, making it compatible with Ryzen 5000, 4000 G-Series, and 3000 series processors, which ensures good performance for a variety of applications. The inclusion of comprehensive cooling solutions like the large VRM heatsink and Fan Xpert 2+ enhances system stability and longevity particularly under heavy loads.
Rating
10.0
BIOS/UEFI
Most important from
1377 reviews
#3
MSI B550M PRO-VDH WiFi ProSeries Motherboard (AMD Ryzen 5000, AM4, DDR4, PCIe 4.0, SATA 6Gb/s, M.2, USB 3.2 Gen 1, Wi-Fi, Bluetooth, D-SUB/HDMI/DP, Micro-ATX)
The MSI B550M PRO-VDH WiFi ProSeries Motherboard is a solid choice for those looking to build a PC with AMD Ryzen processors. It supports 3rd Gen AMD Ryzen CPUs and is prepared for future Ryzen processors with appropriate BIOS updates. This motherboard comes with four RAM slots, supporting up to 128 GB of DDR4 memory, which is great for handling multiple tasks and applications simultaneously. The memory speed can reach up to 4400 MHz, providing fast and efficient performance.
Rating
9.7
CPU Socket
Connectivity
BIOS/UEFI
Most important from
4705 reviews
Top 10 Best Micro Atx Motherboards 2026 in the United States
#1
Winner
ASUS Prime B550M-A WiFi II AMD Micro ATX Motherboard with PCIe 4.0, WiFi 6, ECC Memory, HDMI 2.1, RGB Header
ASUS Prime B550M-A WiFi II AMD Micro ATX Motherboard with PCIe 4.0, WiFi 6, ECC Memory, HDMI 2.1, RGB Header
Chipset: AMD B550
CPU Socket: Socket AM4
Expansion Slots: PCIe 4.0 slots
Storage Options: dual M.2 slots
Connectivity: WiFi 6, USB, HDMI 2.1
Chosen by 1244 this week
ASUS TUF Gaming A520M-PLUS (WiFi) AMD AM4 (3rd Gen Ryzen™) microATX Gaming Motherboard (M.2 Support, 802.11ac Wi-Fi, DisplayPort, HDMI, D-Sub, USB 3.2 Gen 1 Type-A and Aura Addressable Gen 2 headers)
ASUS TUF Gaming A520M-PLUS (WiFi) AMD AM4 (3rd Gen Ryzen™) microATX Gaming Motherboard (M.2 Support, 802.11ac Wi-Fi, DisplayPort, HDMI, D-Sub, USB 3.2 Gen 1 Type-A and Aura Addressable Gen 2 headers)
Chipset: AMD 785E
CPU Socket: Socket AM4
RAM Slots and Maximum Capacity: 32GB DDR4
Expansion Slots: PCIe slots, M.2 slot
Storage Options: M.2 slot
Connectivity: 802.11ac Wi-Fi, USB 3.2, DisplayPort
BIOS/UEFI: BIOS FlashBack button
MSI B550M PRO-VDH WiFi ProSeries Motherboard (AMD Ryzen 5000, AM4, DDR4, PCIe 4.0, SATA 6Gb/s, M.2, USB 3.2 Gen 1, Wi-Fi, Bluetooth, D-SUB/HDMI/DP, Micro-ATX)
MSI B550M PRO-VDH WiFi ProSeries Motherboard (AMD Ryzen 5000, AM4, DDR4, PCIe 4.0, SATA 6Gb/s, M.2, USB 3.2 Gen 1, Wi-Fi, Bluetooth, D-SUB/HDMI/DP, Micro-ATX)
Chipset: AMD B550
CPU Socket: Socket AM4
RAM Slots and Maximum Capacity: 4 slots, 128 GB
Expansion Slots: PCIe 4.0, Gen 4 M.2
Storage Options: Gen 4 M.2, SATA 6Gb/s
Connectivity: USB 3.2, Wi-Fi, Bluetooth, HDMI
Audio: AUDIO BOOST
BIOS/UEFI: Flash BIOS Button
ASUS TUF GAMING B550M-PLUS WiFi II AMD AM4 (3rd Gen Ryzen) microATX gaming motherboard (PCIe 4.0, WiFi 6 2.5Gb LAN, BIOS FlashBack, HDMI 2.1, USB 3.2 Gen 2, Addressable Gen 2 RGB header and AURA Sync)
ASUS TUF GAMING B550M-PLUS WiFi II AMD AM4 (3rd Gen Ryzen) microATX gaming motherboard (PCIe 4.0, WiFi 6 2.5Gb LAN, BIOS FlashBack, HDMI 2.1, USB 3.2 Gen 2, Addressable Gen 2 RGB header and AURA Sync)
Chipset: AMD B550
CPU Socket: Socket AM4
RAM Slots and Maximum Capacity: 4 slots, DDR4 up to 4400 MHz
Storage Options: Dual M.2 slots, PCIe 4.0 x4
Connectivity: WiFi 6, 2.5 Gb LAN, USB 3.2
Audio: SupremeFX S1220A, AI Noise Cancelling
BIOS/UEFI: BIOS FlashBack
GIGABYTE B550M AORUS Elite AX (rev 1.3) AMD AM4 mATX Motherboard, Supports Ryzen 5000/4000/3000 Processors, DDR4, 5+3 Power Phase, 2X M.2, PCIe 4.0, USB 3.2, WIFI6E, GbE LAN, Q-Flash Plus, RGB Fusion
GIGABYTE B550M AORUS Elite AX (rev 1.3) AMD AM4 mATX Motherboard, Supports Ryzen 5000/4000/3000 Processors, DDR4, 5+3 Power Phase, 2X M.2, PCIe 4.0, USB 3.2, WIFI6E, GbE LAN, Q-Flash Plus, RGB Fusion
Chipset: AMD B550
CPU Socket: Socket AM4
RAM Slots and Maximum Capacity: 4 slots, 128 GB
Expansion Slots: PCIe 4.0 x16, dual NVMe
Storage Options: dual NVMe PCIe 4.0/3.0 x4
Connectivity: Realtek GbE LAN, several USB ports
BIOS/UEFI: Q-Flash Plus
Related Products
Up to 21% off
GIGABYTE B550M K AMD AM4 Micro-ATX Motherboard, Supports Ryzen 5000/4000/3000 Series Processors, DDR4, 3+3 Power Phase, 2X M.2, PCIe 4.0, USB 3.2 Gen 1, GbE LAN, Q-Flash
GIGABYTE B550M K AMD AM4 Micro-ATX Motherboard, Supports Ryzen 5000/4000/3000 Series Processors, DDR4, 3+3 Power Phase, 2X M.2, PCIe 4.0, USB 3.2 Gen 1, GbE LAN, Q-Flash
Chipset: AMD AM4
CPU Socket: Socket AM4
RAM Slots and Maximum Capacity: 4 slots, 128 GB
Expansion Slots: PCIe 4.0 x16
Storage Options: Dual M.2 slots
Connectivity: Realtek GbE LAN, USB 3.2
MSI MAG B760M Mortar WiFi II Gaming Motherboard (Supports 12th/13th/14th Gen Intel Processors, LGA 1700, DDR5, PCIe 5.0, M.2, 2.5Gbps LAN, USB 3.2 Gen2, HDMI/DP, Wi-Fi 6E, Bluetooth 5.3, mATX)
MSI MAG B760M Mortar WiFi II Gaming Motherboard (Supports 12th/13th/14th Gen Intel Processors, LGA 1700, DDR5, PCIe 5.0, M.2, 2.5Gbps LAN, USB 3.2 Gen2, HDMI/DP, Wi-Fi 6E, Bluetooth 5.3, mATX)
Chipset: Intel B760
CPU Socket: LGA 1700
RAM Slots and Maximum Capacity: DDR5, 7800 MHz
Expansion Slots: PCIe 5.0
Storage Options: Gen 4 x4 M.2 slots
Connectivity: 2.5Gbps LAN, Wi-Fi 6E, Bluetooth
MSI MPG B760M Edge TI WIFI Gaming Motherboard (Support 14th/13th/12th Gen Intel Processors, LGA 1700, DDR5, PCIe 5.0, M.2 Slots, 2.5Gbps LAN, USB 3.2 Gen2, Wi-Fi 6E, mATX)
MSI MPG B760M Edge TI WIFI Gaming Motherboard (Support 14th/13th/12th Gen Intel Processors, LGA 1700, DDR5, PCIe 5.0, M.2 Slots, 2.5Gbps LAN, USB 3.2 Gen2, Wi-Fi 6E, mATX)
Chipset: Intel B760
CPU Socket: LGA 1700
RAM Slots and Maximum Capacity: DDR5, 7800 MHz
Expansion Slots: PCIe 5.0
Storage Options: Multiple M.2 slots
Connectivity: 2.5Gbps LAN, Wi-Fi 6E
ASUS TUF GAMING B650M-PLUS WIFI Socket AM5 (LGA 1718) Ryzen 7000 mATX gaming motherboard(14 power stages, PCIe® 5.0 M.2 support, DDR5 memory, 2.5 Gb Ethernet, WiFi 6, USB4® support and Aura Sync)
ASUS TUF GAMING B650M-PLUS WIFI Socket AM5 (LGA 1718) Ryzen 7000 mATX gaming motherboard(14 power stages, PCIe® 5.0 M.2 support, DDR5 memory, 2.5 Gb Ethernet, WiFi 6, USB4® support and Aura Sync)
Chipset: AMD B650
CPU Socket: Socket AM5
RAM Slots and Maximum Capacity: DDR5, 128 GB
Expansion Slots: PCIe 5.0 M.2
Storage Options: PCIe 5.0 M.2
Connectivity: USB4, 2.5 Gb Ethernet, WiFi 6
Audio: Two-way AI noise cancellation
#10
ASUS TUF Gaming A620M-PLUS(WiFi) AMD AM5 (Ryzen 7000) microATX Gaming Motherboard(DDR5,PCIe 4.0,2xM.2 Slots,2.5Gb LAN,Wi-Fi6,2xDisplayPort,HDMI,Front USB 3.2 Gen 1 Type-C,BIOS Flashback,M.2 Q-Latch)
ASUS TUF Gaming A620M-PLUS(WiFi) AMD AM5 (Ryzen 7000) microATX Gaming Motherboard(DDR5,PCIe 4.0,2xM.2 Slots,2.5Gb LAN,Wi-Fi6,2xDisplayPort,HDMI,Front USB 3.2 Gen 1 Type-C,BIOS Flashback,M.2 Q-Latch)
Chipset: AMD A620
CPU Socket: Socket AM5
RAM Slots and Maximum Capacity: DDR5, 128 GB
Expansion Slots: PCIe 4.0
Storage Options: Two M.2 slots
Connectivity: 2.5Gb LAN, Wi-Fi 6, USB 3.2
Audio: Two-way AI noise-cancellation
BIOS/UEFI: BIOS Flashback, M.2 Q-Latch
Recommended lists
Top rated
Motherboards
How do we rank products for you?
Our technology thoroughly searches through the online shopping world, reviewing hundreds of sites. We then process and analyze this information, updating in real-time to bring you the latest top-rated products. This way, you always get the best and most current options available.
Buying Guide for the Best Micro Atx Motherboards
Choosing the right micro-ATX motherboard is crucial for building a compact yet powerful computer. Micro-ATX motherboards are smaller than standard ATX boards, making them ideal for smaller cases and setups. When selecting a motherboard, consider your specific needs, such as gaming, productivity, or general use, and ensure compatibility with other components like the CPU, RAM, and GPU. Here are some key specifications to consider when picking the best micro-ATX motherboard for you.ChipsetThe chipset is the backbone of the motherboard, determining its capabilities and compatibility with other components. It controls communication between the CPU, RAM, and other peripherals. Common chipsets include Intel's Z-series for high performance and B-series for budget builds, and AMD's X-series for enthusiasts and B-series for mainstream users. Choose a chipset that matches your CPU and desired performance level.
CPU SocketThe CPU socket is where the processor is installed on the motherboard. Different CPUs require different sockets, such as Intel's LGA or AMD's AM4. Ensure the motherboard's socket matches your chosen CPU to avoid compatibility issues. If you're planning to upgrade your CPU in the future, consider a socket that supports newer processors.
RAM SlotsRAM slots determine how much memory you can install on your motherboard. Micro-ATX boards typically have 2 to 4 slots. More slots allow for greater memory expansion, which is important for multitasking and running memory-intensive applications. Consider your current and future memory needs when choosing a motherboard with the appropriate number of RAM slots.
Expansion SlotsExpansion slots, such as PCIe slots, allow you to add additional components like graphics cards, sound cards, and network cards. Micro-ATX motherboards usually have fewer slots than ATX boards, so prioritize your needs. If you're a gamer, ensure there's a PCIe x16 slot for a graphics card. For other uses, consider the number and type of slots based on your expansion plans.
Storage OptionsStorage options include SATA ports for hard drives and SSDs, and M.2 slots for faster NVMe SSDs. Micro-ATX motherboards may have fewer ports, so check the number and type of storage connections available. If you need a lot of storage, ensure the motherboard can accommodate multiple drives. For faster performance, look for M.2 slots that support NVMe SSDs.
ConnectivityConnectivity options include USB ports, Ethernet ports, and audio jacks. Micro-ATX motherboards may have fewer ports, so consider your peripheral needs. Look for USB 3.0 or higher for faster data transfer, and ensure there's a reliable Ethernet port for internet connectivity. If you use multiple devices, ensure the motherboard has enough ports to accommodate them.
Form FactorThe form factor determines the size and shape of the motherboard. Micro-ATX boards are smaller than ATX but larger than mini-ITX, offering a balance between compact size and expandability. Ensure the motherboard fits in your chosen case and provides enough space for your components. If you need a compact build, micro-ATX is a good choice, but check the case compatibility.
BIOS/UEFIThe BIOS/UEFI is the firmware that initializes hardware during boot-up and provides system settings. A user-friendly BIOS/UEFI can simplify system configuration and troubleshooting. Look for motherboards with intuitive BIOS/UEFI interfaces, especially if you're new to building PCs. Advanced features like overclocking support can be beneficial for enthusiasts.