MSI Motherboards under $100

AM4, mATX, DDR4, AMD A520

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MSI A520M-A PRO Gaming Motherboard (AMD Ryzen 5000, AM4, DDR4, PCIe 3.0, SATA 6Gb/s, M.2, USB 3.2 Gen 1, DVI/HDMI,

$69.88as of 11/04/2026 18:06 PST - Details

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Pros

+AM4 socket supports Ryzen 5000 series processors

+Compact micro-ATX form factor

+Includes M.2 slot for NVMe storage

+Includes HDMI and DVI display outputs

Cons

−Uses older DDR4 memory rather than DDR5

−Only the basic A520 chipset, with limited overclocking support

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AM4, mATX, DDR4, 128GB

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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,

$89.99as of 11/04/2026 18:06 PST - Details

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Pros

+Supports up to 128GB of memory

+PCIe 4.0 support for newer graphics cards and storage

+Micro-ATX form factor fits smaller builds

+AM4 socket supports Ryzen 5000 series processors

Cons

−Uses older DDR4 memory rather than DDR5

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LGA1700, mATX, DDR4, 1G

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MSI PRO H610M-A DDR4 Motherboard (12th/13th/14th Gen Intel Core, LGA 1700 Socket, DDR4, PCIe 4, SATA 6Gb/s, 1Gbps LAN,

$84.99as of 11/04/2026 18:07 PST - Details

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Pros

+LGA 1700 socket supports 12th, 13th and 14th Gen Intel Core processors

+DDR4 memory support for lower-cost DDR4 kits

+PCIe 4 and SATA 6Gb/s connectivity

+Compact mATX form factor for smaller builds

Cons

−H610 chipset offers no overclocking support

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AM4, mATX, DDR4, 4 Memory slots

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MSI PRO B550M-P Motherboard, mATX - Supports AMD Ryzen 5000/5000 G-Series, 4000 G-Series, 3000 G-Series Desktop

$89.99as of 11/04/2026 18:07 PST - Details

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Pros

+Compact mATX form factor

+Four RAM slots for DDR4 memory

+AM4 socket supports AMD Ryzen 5000 and older series processors

Cons

−Only 1G LAN for wired networking

−Uses DDR4 memory rather than newer DDR5

−Single M.2 slot limits fast storage expansion

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LGA1700, mATX, DDR5, 2 Memory slots

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MSI PRO H610M-G WiFi Motherboard, Micro-ATX - Supports Intel Core 14th, 13th and 12th Gen Processors, LGA 1700 - DDR5

$81.11as of 11/04/2026 18:07 PST - Details

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