
From
£98.99
Price risingComparez les prix de MSI PRO B840M-B motherboard AMD B840 Socket AM5 micro ATX et economisez. 1 offres disponibles chez nos marchands. A partir de 96,99 €.
Listed since 7 April 2026
Lowest price in period
£80.03
8 April 2026
| Processor manufacturer | AMD |
| Processor socket | Socket AM5 |
| Compatible processor series | AMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 Series |
| Supported processor sockets | Socket AM5 |
| Supported memory types | DDR5-SDRAM |
| Number of memory slots | 2 |
| Memory slots type | DIMM |
| Memory channels | Dual-channel |
| ECC сompatibility | Non-ECC |
| Supported memory clock speeds | 4800,5600,8000 MHz |
| Supported memory clock speed (max) | 8000 MHz |
| Maximum internal memory | 128 GB |
| Supported storage drive types | HDD & SSD |
| Supported storage drive interfaces |
| Marque | MSI |
| Référence fabricant | prob840mb |
| EAN | 4711377360166 |
The MSI PRO B840M-B motherboard AMD B840 Socket AM5 micro ATX is one of the most searched products in the Computers & Hardware category in 2026. Offered by MSI, it is aimed at those looking for a reliable product at the best price. Our comparison tool lists all available offers from partner retailers to help you make the right choice without overspending. Comparison is free and requires no registration. In a few seconds, you can access all current offers to find the most competitive price.
The MSI PRO B840M-B motherboard AMD B840 Socket AM5 micro ATX benefits from the expertise of MSI in this category. Its design meets current market standards and satisfies even the most demanding users in their everyday activities. The brand's reliability translates into positive feedback from regular buyers, who particularly appreciate the consistency between the promises of the product sheet and the real-world experience. For the Computers & Hardware category, this is an option we recommend without hesitation.
The MSI PRO B840M-B motherboard AMD B840 Socket AM5 micro ATX adapts to different levels of use in the Computers & Hardware category. Whether you use it intensively every day or more occasionally, this MSI product offers appreciated versatility. Regular users value its reliability over time, while occasional users appreciate how easy it is to pick up without any special training. For even more demanding use, also check the MSI PRO H610M-E DDR4 motherboard Intel H610 LGA 1700 micro ATX.
In the Computers & Hardware market, the MSI PRO B840M-B motherboard AMD B840 Socket AM5 micro ATX is well positioned thanks to its price from £98.99 and the strength of MSI. Our comparison tool lets you verify in real time whether this positioning still holds against other available offers.
| M.2, Micro SATA III |
| Number of HDDs supported | 4 |
| Number of storage drives supported | 6 |
| RAID support | Yes |
| RAID levels | 0, 1, 10 |
| On-board graphics card | No |
| USB 2.0 connectors | 4 |
| USB 3.2 Gen 1 (3.1 Gen 1) connectors | 2 |
| USB 3.2 Gen 2 (3.1 Gen 2) connectors | 1 |
| Number of SATA III connectors | 4 |
| Total number of SATA connectors | 4 |
| Number of CPU fan connectors | 1 |
| Number of chassis fan connectors | 5 |
| Number of water pump connectors | 1 |
| RGB LED pin header | Yes |
| Number of RGB LED pin headers | 3 |
| USB 2.0 ports quantity | 2 |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 4 |
| Ethernet LAN (RJ-45) ports | 1 |
| HDMI ports quantity | 1 |
| HDMI version | 2.1 |
| Ethernet LAN | Yes |
| Ethernet interface type | 2.5 Gigabit Ethernet |
| LAN controller | Realtek RTL8125D |
| Wi-Fi | No |
| Motherboard chipset | AMD B840 |
| Audio chip | Realtek ALC897 |
| Audio output channels | 7.1 channels |
| Product colour | Black |
| Component for | PC |
| Motherboard form factor | micro ATX |
| Motherboard chipset family | AMD |
| Windows operating systems supported | Windows 11 x64 |
| PCI Express x16 slots | 2 |
| Number of M.2 (M) slots | 2 |
| 1st M.2 largest key size | 2280 |
| 1st M.2 highest PCI Express generation | 4.0 |
| 2nd M.2 largest key size | 2280 |
| 2nd M.2 highest PCI Express generation | 4.0 |
| BIOS type | UEFI AMI |
| BIOS memory size | 256 Mbit |
| ACPI version | 6.5 |
| System Management BIOS (SMBIOS) version | 3.7 |
| Width | 226 mm |
| Depth | 243.8 mm |
| Range | Indicative price |
|---|---|
| Entry-level | Under 403200 £ |
| Mid-range | 403200 £ to 940800 £ |
| High-end | Over 940800 £ |
The best times to buy the MSI PRO B840M-B motherboard AMD B840 Socket AM5 micro ATX at a lower price are Black Friday in November, the January sales and the summer sales in July. Our price history lets you judge whether the current price is a genuine bargain or whether it is worth waiting a few weeks. Outside these periods, flash promotions remain frequent among Compiral's partner retailers.
In the Computers & Hardware category, the MSI PRO B840M-B motherboard AMD B840 Socket AM5 micro ATX occupies a specific market segment. Compared to other available models, it stands out mainly through the balance between its features and its price. To compare objectively, consult the detailed spec sheet on this page and compare specifications with other similar products listed on our comparison tool.
Yes, the MSI PRO B840M-B motherboard AMD B840 Socket AM5 micro ATX is generally appreciated by both beginners and regular users of the Computers & Hardware category. It is quick to set up and MSI usually provides clear documentation. If you are new to this product category, consult the spec sheet on this page to identify the key criteria to check before making your choice.
Refurbished versions of the MSI PRO B840M-B motherboard AMD B840 Socket AM5 micro ATX may be available from certain Compiral partner retailers. These refurbished products allow you to save between 20% and 40% compared to the new price while still benefiting from a warranty. Check availability in our offers table and review the warranty conditions offered by the retailer.
Prices for the MSI PRO B840M-B motherboard AMD B840 Socket AM5 micro ATX typically drop during Black Friday (November), the January sales and the summer sales (July). Promotional deals are also common around Cyber Monday and the holiday season. Our price history lets you spot trends and assess whether a price drop is likely soon in the Computers & Hardware category.
Free delivery is not guaranteed for the MSI PRO B840M-B motherboard AMD B840 Socket AM5 micro ATX at every retailer. Some include it in their price, others charge separately. On Compiral, use the free delivery filter to display only offers with free postage. The total price shown in our table always includes delivery costs for a true cost comparison.