Best Computer Motherboards Under $100 (2026)
We ranked motherboards under $100 by a value score combining socket/chipset relevance, form factor, connectivity, memory support, and user-oriented features
The Verdict
- Best Overall: Raspberry Pi 3 B+ motherboard — Best for embedded projects: compact single-board design ideal for education and lightweight IoT tasks
Top Picks
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1
Best Overall Raspberry Pi 3 B+ motherboard
Best for embedded projects: compact single-board design ideal for education and lightweight IoT tasks
Raspberry Pi 3 B+ motherboard with 4GHz 64-bit quad-core CPU, 1 GB RAM, built-in WiFi and Bluetooth. Useful for OctoPrint, Pi-Star projects, and retro gaming setups
- built-in wireless and Bluetooth
- quad-core ARMv8 CPU
- compact SBC for projects
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2
ASUS Prime B550M-A WiFi II Micro ATX motherboard
Best for AM4 microATX builds: balanced connectivity and Wi‑Fi in a small‑form ATX layout for Ryzen systems
Compact AMD AM4 board with PCIe 4.0, WiFi 6, and dual M.2 slots. Notable for solid build and ease of installation, though WiFi and boot time feedback varies
- PCIe 4.0 x16 SafeSlot
- WiFi 6 (802.11ax)
- dual NVMe M.2 slots
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3
ASUS Prime B550-PLUS AC-HES AM4 motherboard
Best for PCIe 4.0 use: AM4 board offering modern expansion and solid onboard networking for midrange builds
AMD AM4 motherboard for 3rd Gen Ryzen with PCIe 4.0, dual M.2, WIFI 5, and USB 3.2 Gen 2. Customers note easy setup and good value for limited budgets
- PCIe 4.0 readiness
- Dual M.2 storage
- WIFI 5 connectivity
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4
GIGABYTE B550M K motherboard for AMD AM4 Ryzen
Best budget AM4 microATX option: compact layout with essential features for DDR4 Ryzen builds
Micro-ATX motherboard with AMD AM4 socket, support for Ryzen 5000/4000 series, and dual M.2. Good quality and value for money, though some report USB issues and limited fan headers
- Supports AMD AM4 Ryzen 5000/4000 series
- Dual M.2 NVMe connectors
- PCIe 4.0 x16 and DDR4 ECC/non-ECC support
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5
ASUS M5A78L-M LX3 AM3+ motherboard
Best for legacy AM3+ systems: basic feature set for older CPUs and lightweight desktop tasks
AM3+ motherboard from ASUS with voltage protection and system-level power management. Helps safeguard components and improve platform efficiency. Customer feedback notes mixed sentiment
- voltage protection
- real time power management
- energy-saving features
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6
MSI A520M-A PRO V1 Gaming Motherboard
Best mainstream AM4 motherboard: reliable micro‑ATX board aimed at steady performance for Ryzen users
Micro-ATX motherboard supporting 3rd Gen Ryzen and Ryzen 4000G, DDR4 memory, M.2, USB 3.2 Gen 1. Features include Audio Boost and Dragon Center software. Customers note easy installation and solid performance
- supports Ryzen 3rd/4th gen processors
- M.2 NVMe acceleration
- DDR4 up to high speeds
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7
ASUS TUF Gaming AMD AM4 MicroATX Motherboard (Wi‑Fi, 3rd Gen Ryzen)
Best for gaming microATX with Wi‑Fi: durable gaming focus and onboard wireless for compact gaming rigs
ASUS TUF Gaming AMD AM4 microATX motherboard with M.2, 802.11ac Wi‑Fi, DisplayPort, HDMI, D-Sub, USB 3.2 Gen 1, and Aura headers. Solid build with good value, though Wi‑Fi and porting feedback is mixed
- Wi‑Fi enabled
- AM4 socket for Ryzen 3000/4000/5000
- VRM and PCH cooling with Fan Xpert 2+
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8
MSI PRO H610M-G DDR4 Micro ATX Motherboard
Best for LGA1700 value builds: modern chipset support for 12th/13th Gen Intel processors in a compact board
DDR4 motherboard for 12th–14th Gen Intel Core with LGA 1700 socket and PCIe 4.0. Core Boost power design enhances performance and stability; memory boost supports pure data signals. One customer note highlights missing IO shield as a common issue
- LGA 1700 socket compatibility
- DDR4 with PCIe 4.0
- premium layout and digital power design
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9
Gigabyte B550 Gaming X V2 motherboard
Best AMD gaming value: B550 chipset with gaming‑oriented features and strong upgrade potential
AMD AM4 motherboard for Ryzen 5000/4000/3000. DDR4 memory support with EXPO and PCIe 4.0. Customers note solid build quality and ease of installation, with mixed feedback on WiFi and USB ports
- Enhanced power solution 10+3 phases
- Advanced thermal armor with heatsinks
- Pre-installed I/O armor
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10
ASRock Micro ATX DDR3 J1800 motherboard
Best for low‑power microATX systems: DDR3 board suited to basic desktops and small form factor builds
Compact ASRock motherboard with integrated J1800 CPU and DDR3 slots for small builds. Customers note quiet operation and suitable for daily tasks, with mixed speed feedback
- integrated CPU
- low-noise operation
- DDR3 memory support