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The ASUS Prime B550M-K is a micro-ATX AM4 motherboard for Ryzen 3000, 4000G and 5000 series CPUs. It covers the basics well: one PCIe 4.0 x16 slot, an M.2 slot, four SATA ports, HDMI and a Realtek gigabit LAN port. It has no Wi-Fi, no USB-C and only two memory slots, so it sits below boards like the B550M-A or MSI B550M Pro-VDH on connectivity. It suits budget builds and office or family PCs where a single GPU and one or two drives are enough.
In stock
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Lowest price we've seen: $106.00 on Nov 10 at Newegg. Tracked across 1 store since Nov 10.
Owners rate it highly for stable everyday performance and an easy build. Most criticism centers on the stripped-down connectivity rather than reliability.
