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MSI B840 Gaming Plus WiFi Motherboard, ATX - Supports AMD Ryzen 9000/8000 / 7000 Processors, AM5 - DDR5 Memory Boost 8000+ MT/s (OC), PCIe 4.0 x16, M.2 Gen4, Wi-Fi 7, 2.5G LAN

MSI B840 Gaming Plus WiFi Motherboard
£147.28

New, on Amazon.co.uk · as of

  • £122.63lowest we have recorded, 12 Aug 2026
  • £147.2830-day low
  • £122.6390-day low
  • £147.28typical price, last 90 days
  • 411 dayswe have checked this price for

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Specification

ModelB840 Gaming Plus WiFi
BrandMSI
SocketAM5
ChipsetB840
Form factorATX
MemoryDDR5
WiFiYes
First available on AmazonJan 2025 (1 yr 9 mo old)
Amazon ASINB0DQB3RC4H
Amazon sales rank#292,517 (lower sells more)

Read from the Amazon listing title. Confirm the details and the CPU support list on the maker’s website before you buy.

Guides: AMD B840 chipset guide · AMD AM5 socket guide

Stated in the Amazon listing

RAM slots4
Fastest RAM speed stated8,000 MT/s
M.2 slots2
Newest PCIe generation statedPCIe 4.0
WiFi generationWiFi 7
Bluetooth5.4
Wired LAN2.5GbE
Fastest USB-C port10 Gbps

Read automatically from the listing’s title and feature bullets. A feature that is missing here is simply not mentioned in the listing; the board may still have it.

From the Amazon listing

The seller’s own description, as shown on Amazon.co.uk. We have not checked these claims.

Price history

£100£200£300£251.33 from 16 Dec 2025£251.17 from 5 Jan 2026£297.55 from 18 Jan 2026£297.03 from 1 Feb 2026£221.81 from 4 Feb 2026£239.83 from 16 Feb 2026£241.20 from 26 Feb 2026£242.70 from 3 Mar 2026£185.98 from 10 Mar 2026£241.61 from 13 Mar 2026£185.64 from 18 Mar 2026£184.30 from 25 Mar 2026£249.80 from 31 Mar 2026£184.30 from 1 Apr 2026£196.82 from 23 Apr 2026£206.26 from 30 Apr 2026£218.70 from 4 May 2026£241.06 from 13 May 2026£143.33 from 15 May 2026£144.15 from 18 May 2026£146.22 from 25 May 2026£145.40 from 7 Jun 2026£145.66 from 15 Jun 2026£147.82 from 29 Jun 2026£146.20 from 6 Jul 2026£145.40 from 13 Jul 2026£142.92 from 26 Jul 2026£145.40 from 26 Jul 2026£146.76 from 27 Jul 2026£145.40 from 3 Aug 2026£144.62 from 10 Aug 2026£122.63 from 12 Aug 2026£144.62 from 13 Aug 2026£144.10 from 17 Aug 2026£221.40 from 8 Sep 2026£130.10 from 10 Sep 2026£144.62 from 11 Sep 2026£221.40 from 18 Sep 2026£221.40 from 19 Sep 2026£216.12 from 22 Sep 2026£209.67 from 22 Sep 2026£211.18 from 24 Sep 2026£204.09 from 25 Sep 2026£242.22 from 29 Sep 2026£145.38 from 30 Sep 2026£147.28 from 1 Oct 202616 Dec 2025May 20265 Nov 2026
  • £122.63lowest we have seen
  • £297.55highest
  • £147.28usual price, last 90 days
  • 16 Dec 2025tracked since
Price changes as a table
FromNew price
1 Oct 2026, 12:20£147.28
30 Sep 2026, 18:20£145.38
29 Sep 2026, 12:20£242.22
25 Sep 2026, 18:20£204.09
24 Sep 2026, 00:20£211.18
22 Sep 2026, 18:20£209.67
22 Sep 2026, 00:20£216.12
19 Sep 2026, 23:06£221.40
18 Sep 2026, 16:16£221.40
11 Sep 2026, 06:36£144.62
10 Sep 2026, 22:02£130.10
9 Sep 2026, 08:00no offer
8 Sep 2026, 16:23£221.40
17 Aug 2026, 17:43no offer
17 Aug 2026, 10:49£144.10
13 Aug 2026, 03:08£144.62
12 Aug 2026, 14:55£122.63
11 Aug 2026, 14:21no offer
10 Aug 2026, 13:43£144.62
3 Aug 2026, 18:32£145.40
27 Jul 2026, 14:12£146.76
26 Jul 2026, 12:46£145.40
26 Jul 2026, 00:32£142.92
13 Jul 2026, 18:12£145.40
6 Jul 2026, 15:32£146.20
29 Jun 2026, 13:44£147.82
15 Jun 2026, 14:54£145.66
7 Jun 2026, 13:44£145.40
25 May 2026, 15:32£146.22
18 May 2026, 22:44£144.15

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