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 £146.86
£125.50
-3.8%
ASUS PRIME B840M-A CSM AMD B840 mATX motherboard has dropped 3.8% over the last 30 days, currently at £125.50.
Price last checked:
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 £125.50, ASUS PRIME B840M-A CSM AMD B840 mATX motherboard is at or near its lowest tracked price of £125.50. The 30-day average is £131.29, making this a good time to buy if you've been waiting for a deal.
Price History
Current Price£125.50
Average Price£131.29
Lowest Price£125.50
Highest Price£146.86
Price Trend (30d)
-3.8%
Historical Prices
| Date | Price | Change |
|---|---|---|
| 23 Jun 2026, 05:28 | £125.50 | No change |
| 16 Jun 2026, 05:41 | £125.50 | -£4.99 (-3.8%) |
| 9 Jun 2026, 06:03 | £130.49 | -£16.37 (-11.1%) |
| 1 Jun 2026, 05:00 | £146.86 | +£16.37 (+12.5%) |
| 31 May 2026, 17:00 | £130.49 | No change |
| 30 May 2026, 17:05 | £130.49 | No change |
| 29 May 2026, 17:06 | £130.49 | No change |
| 28 May 2026, 17:05 | £130.49 | No change |
