Compared across 2 stores. Prices are checked against each store and labelled with when. Store links may earn us a commission. Price via Klarna.
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The ASUS Prime B550M-A is a micro-ATX motherboard for AMD Socket AM4 Ryzen CPUs, built on the B550 chipset. It covers the essentials for a compact build: four DDR4 slots, two M.2 slots, PCIe 4.0 on the main x16 slot and the primary M.2, plus HDMI 2.1 and DVI outputs for CPUs with integrated graphics. It sits in the budget-to-mid range of B550 boards, where rivals often add more fan headers, USB ports or a second full-length PCIe slot. Reviewers treat it as a dependable no-frills board for office, media and light gaming builds, not a board for heavy overclocking or big expansion plans.
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Lowest price we've seen: $111.55 on Nov 10 at Newegg. Tracked across 2 stores since Nov 10.
Owners describe the Prime B550M-A as a solid, affordable board that boots reliably and handles Ryzen 5000 chips without fuss. Praise centers on the dual M.2 slots and easy setup; complaints focus on the sparse fan headers and the lack of a front USB-C header.
