Best Computer Motherboards Under $100 (2026)
We ranked motherboards under $100 by a value score combining chipset and socket relevance, I/O and expansion features (M.2/PCIe), memory support, and aggregated user ratings
This roundup highlights value-focused computer motherboards under $100 suitable for compact builds, legacy upgrades, and budget-friendly Ryzen systems. Picks were chosen by comparing features such as chipset, socket compatibility, expansion options (M.2/PCIe), memory support, and user ratings to prioritize overall value
Top Picks
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1
Raspberry Pi 3 B+ motherboard
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
MSI MPG B550 Gaming Plus V1 Motherboard
ATX motherboard supporting 3rd Gen Ryzen with PCIe 4.0, DDR4 up to 128 GB, and M.2 Shield Frozr. 16.8M color MYSTIC LIGHT RGB and USB 3.2 Gen 2. One customer notes good build quality and value for money
- PCIe 4.0 support
- M.2 Shield Frozr
- MYSTIC LIGHT RGB
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3
GIGABYTE B550M K motherboard for AMD AM4 Ryzen
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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4
ASUS M5A78L-M LX3 AM3+ motherboard
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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5
MSI A520M-A PRO V1 Gaming Motherboard
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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6
MSI PRO H610M-G DDR4 Micro ATX Motherboard
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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7
ASRock Micro ATX DDR3 J1800 motherboard
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
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8
Gigabyte A520M S2H Motherboard
MicroATX motherboard for AMD AM4 CPUs with 4+3 phase digital PWM and PCIe 3.0 x4 M.2. Noted for ease of installation and reliable performance in office builds. Some users report mixed compatibility and stability opinions
- AM4 socket support with Ryzen compatibility
- PCIe 3.0 x16 and NVMe M.2
- RGB Fusion 2.0 and Q-Flash Plus features
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9
ASRock A520M-HDV motherboard for AMD AM4 Ryzen
ASRock A520M-HDV motherboard supports 3rd to 5th Gen Ryzen processors with DDR4 memory. Solid build and budget value noted by customers, though some report compatibility and functionality issues
- amd am4 socket support
- ddr4 4733+ oc
- 6 phase power design
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10
ASRock Micro ATX 970M PRO3 motherboard
Micro ATX motherboard with AMD 970/ SB950 chipset, supports DDR3 memory up to 2400 OC. Includes built-in overclocking tools and easy installation, per customer insights
- AMD 970 chipset compatibility
- DDR3-2400+(OC) support
- microATX, easy installation