ASUS Prime B850-Plus-CSM AMD AMD ATX Socket
Best price now
$212.56at AsusChecked Nov 10
Prices are checked against each store and labelled with when. Store links may earn us a commission. Price via Klarna.
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 Prime B850-Plus-CSM is an ATX AM5 motherboard for AMD Ryzen 7000, 8000 and 9000 chips, built on the B850 chipset. It covers the basics well: four DIMM slots, two USB-C ports, PCIe x16 for a graphics card, multiple M.2 slots and RAID support. It sits below Asus's TUF and ROG boards, so it trades overclocking extras and premium cooling for a plain, stable layout. It suits builders who want a no-frills AM5 board for a gaming or work PC and do not need Wi-Fi or heavy RGB.
In stock
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Lowest price we've seen: $212.56 on Nov 10 at Asus. Tracked across 1 store since Nov 10.
Owner feedback on Asus Prime B850 boards is generally positive on stability and layout, with complaints centered on the sparse accessory bundle and the lack of wireless networking.
