ASUS
Motherboard
In Stock
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
4.3(9)
RRP £173.21
£139.16
-3.7%
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
Socket: Socket AM5
Chipset: B840M
Form Factor: Micro-ATX
Memory Type: DDR5
- Corperate Stable Model: offers up to 36-month product lifecycle support and 6-month end-of-life notice, each purchase comes with ASUS Control Center Express server-grade IT management software
- Ready for Advanced AI PC: Designed for the future of AI computing, with the power and connectivity needed for demanding AI applications
- AMD AM5 Socket: Ready for AMD Socket AM5 for AMD Ryzen 9000 & 8000 & 7000 Series Desktop Processors
- Enhanced Power Solution: 6-layer PCB, alloy chokes and durable capacitors for stable power delivery
- Ultrafast Connectivity: PCIe 4.0 x16 slot, PCIe 4.0 M.2 slots, Realtek 2.5Gb Ethernet, rear USB 10Gbps Type-A ports, rear and front USB 5Gbps Type-C support
- Comprehensive Cooling: VRM and M.2 heatsinks, PCH heatsink, hybrid fan headers and Fan Xpert 2+
- DIY-Friendly Design: Pre-mounted I/O shield, BIOS FlashBack, M.2 heatsink, Q-Dashboard, Q-LED Core
- Unmatched Personalization: Three Addressable Gen 2 headers, all configurable with ASUS-exclusive Aura Sync RGB lighting
- Renowned Software: Armoury Crate, ASUS DriverHub, ASUS MyHotkey
About This Product
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.
Price History
Current Price£139.16
Average Price£142.10
Lowest Price£138.28
Highest Price£153.40
Price Trend (30d)
-3.7%
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