
RRP £173.21
ASUS PRIME B840M-A CSM AMD B840 mATX motherboard, DDR5, PCIe 4.0 Ready, 3xM.2 slots, 2.5Gb Ethernet, DisplayPort, HDMI, rear and front USB 5Gbps Type-C support, BIOS FlashBack, Corporate Stable Model has dropped 3.7% over the last 30 days, currently at £139.16.
Price last checked: 12 May 2026, 04:58
The ASUS PRIME B840M-A CSM is a micro-ATX motherboard featuring DDR5 memory and the AMD B840M chipset. It offers a range of connectivity options, including 3x M.2 slots, 2.5Gb Ethernet, DisplayPort, and HDMI, as well as rear and front USB 5Gbps Type-C support. This motherboard is suitable for corporate and business users who require a stable and reliable platform for their systems, with features like BIOS FlashBack adding to its appeal.
Near its lowest price
At £139.16, ASUS PRIME B840M-A CSM AMD B840 mATX motherboard, DDR5, PCIe 4.0 Ready, 3xM.2 slots, 2.5Gb Ethernet, DisplayPort, HDMI, rear and front USB 5Gbps Type-C support, BIOS FlashBack, Corporate Stable Model is at or near its lowest tracked price of £138.28. The 30-day average is £142.10, making this a good time to buy if you've been waiting for a deal.

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