# MSI PRO B840M-B motherboard AMD B840 Socket AM5 micro ATX

> Price comparison in United Kingdom (GBP). Lowest price right now: **£88.06** at PCHUB.UK, in stock. 1 offer from 1 shop. Checked 2026-10-10T21:02:38Z.

## Product
- Brand: MSI
- Category: [Computers & accessories](https://pricuro.com/uk/computers.md) > [PC components](https://pricuro.com/uk/computers/pc-components.md)
- EAN/GTIN: 4711377360166
- Page: https://pricuro.com/uk/p/msi-pro-b840m-b-motherboard-amd-b840-socket-am5-micro-atx-227601
- Image: https://pricuro.com/img/227601/800/msi-pro-b840m-b-motherboard-amd-b840-socket-am5-micro-atx.webp

## Offers (1, sorted by total price incl. delivery; used/refurbished last)

| # | Shop | Price | Delivery | Total | Availability | Condition | Buy |
|---|---|---|---|---|---|---|---|
| 1 | PCHUB.UK | £88.06 | see shop | – | in stock | new | https://pricuro.com/go/2308762 |

## Price history (lowest price per day in United Kingdom, tracked since 2026-10-03, 8 days)

- Lowest price today: £88.06
- Last 30 days: lowest £82.85, highest £88.06, average £83.57
- All-time low on Pricuro: £82.85 (2026-10-03)
- Note: the history is still short, so it does not yet show whether today's price is a good one.

| Date | Lowest price |
|---|---|
| 2026-10-03 | £82.85 |
| 2026-10-04 | £82.85 |
| 2026-10-05 | £82.85 |
| 2026-10-06 | £82.99 |
| 2026-10-07 | £82.99 |
| 2026-10-08 | £82.99 |
| 2026-10-09 | £82.99 |
| 2026-10-10 | £88.06 |

## Specifications

MSI PRO B840M-B. Processor manufacturer: AMD, Processor socket: Socket AM5, Compatible processor series: AMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 Series. Supported memory types: DDR5-SDRAM, Maximum internal memory: 128 GB, Memory slots type: DIMM. Supported storage drive interfaces: M.2, Micro SATA III, Supported storage drive types: HDD & SSD, RAID levels: 0, 1, 10. Ethernet interface type: 2.5 Gigabit Ethernet, LAN controller: Realtek RTL8125D. Component for: PC, Motherboard form factor: micro ATX, Motherboard chipset family: AMD

- 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: 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

## Other variants

- [MSI PRO B650M-P motherboard AMD B650 Socket AM5 micro ATX](https://pricuro.com/uk/p/msi-pro-b650m-p-motherboard-amd-b650-socket-am5-micro-atx-3971341.md) – from £1,279.99
- [MSI PRO B840M-P WIFI6E micro ATX AMD Socket AM5 DDR5 Motherboard](https://pricuro.com/uk/p/msi-pro-b840m-p-wifi6e-micro-atx-amd-socket-am5-ddr5-motherboard-650508.md) – from £118.05
- [MSI PRO B550M-B motherboard AMD B550 Socket AM4 micro ATX](https://pricuro.com/uk/p/msi-pro-b550m-b-motherboard-amd-b550-socket-am4-micro-atx-227736.md) – from £74.31
- [MSI PRO B850M-P WIFI motherboard AMD B850 Socket AM5 micro ATX](https://pricuro.com/uk/p/msi-pro-b850m-p-wifi-motherboard-amd-b850-socket-am5-micro-atx-650486.md) – from £109.62
- [MSI PRO A620AM-B EVO motherboard AMD A620A Socket AM5 micro ATX](https://pricuro.com/uk/p/msi-pro-a620am-b-evo-motherboard-amd-a620a-socket-am5-micro-atx-227661.md) – from £67.37
- [MSI A520M PRO motherboard AMD A520 Socket AM4 micro ATX](https://pricuro.com/uk/p/msi-a520m-pro-motherboard-amd-a520-socket-am4-micro-atx-658277.md) – from £66.51
- [MSI A520M-A PRO motherboard AMD A520 Socket AM4 micro ATX](https://pricuro.com/uk/p/msi-a520m-a-pro-motherboard-amd-a520-socket-am4-micro-atx-232949.md) – from £59.57
- [MSI B840M GAMING PLUS WIFI6E motherboard AMD B840 Socket AM5 micro ATX](https://pricuro.com/uk/p/msi-b840m-gaming-plus-wifi6e-motherboard-amd-b840-socket-am5-micro-atx-227572.md) – from £140.94
- [MSI B550M PRO-VDH motherboard AMD B550 Socket AM4 micro ATX](https://pricuro.com/uk/p/msi-b550m-pro-vdh-motherboard-amd-b550-socket-am4-micro-atx-232950.md) – from £82.48
- [MSI PRO B850-P WIFI motherboard AMD B850 Socket AM5 ATX](https://pricuro.com/uk/p/msi-pro-b850-p-wifi-motherboard-amd-b850-socket-am5-atx-650346.md) – from £153.41
- [MSI PRO B850-S WIFI6E motherboard AMD B850 Socket AM5 ATX](https://pricuro.com/uk/p/msi-pro-b850-s-wifi6e-motherboard-amd-b850-socket-am5-atx-227610.md) – from £107.81

## Similar products

- [ASUS PRIME B550M-K AMD B550 Socket AM4 micro ATX](https://pricuro.com/uk/p/asus-prime-b550m-k-amd-b550-socket-am4-micro-atx-16335883.md) – from £88.08, 2 shops
- [Black & Decker B D CHAINSAW 2000W 40CM](https://pricuro.com/uk/p/black-decker-b-d-chainsaw-2000w-40cm-16338705.md) – from £88.02, 2 shops
- [MSI GT 1030 2GB 2GHD4 LP OC W/lp](https://pricuro.com/uk/p/msi-gt-1030-2gb-2ghd4-lp-oc-w-lp-658259.md) – from £88.57, 2 shops
- [GIGABYTE A520I AC Motherboard](https://pricuro.com/uk/p/gigabyte-a520i-ac-motherboard-233103.md) – from £87.52, 2 shops
- [BeQuiet Light Loop 360mm Liquid CPU Cooler in Black](https://pricuro.com/uk/p/bequiet-light-loop-360mm-liquid-cpu-cooler-in-black-214210.md) – from £89.08, 2 shops
- [ASUS Prime LC 360 ARGB White Edition Intel&AMD AIO Liquid CPU Cooler](https://pricuro.com/uk/p/asus-prime-lc-360-argb-white-edition-intel-amd-aio-liquid-cpu-cooler-651292.md) – from £86.72, 2 shops

---
Source: Pricuro (https://pricuro.com), an independent price comparison for United Kingdom. Canonical page: https://pricuro.com/uk/p/msi-pro-b840m-b-motherboard-amd-b840-socket-am5-micro-atx-227601
Prices include VAT and were checked at the time stated above; they can change at any moment, the shop's price at checkout applies. Links marked "Buy" lead to the shop; Pricuro may earn a commission, which never affects the order of offers (sorted by total price).
When citing, please link the canonical page. Overview of the site for assistants: https://pricuro.com/llms.txt