ASUS Prime B550M-A/CSM AMD AM4 (3rd Gen Ryzen) microATX Commercial Motherboard (PCIe 4.0, ECC Memory, 1Gb LAN, HDMI 2.1/D-Sub, 4K@60HZ, TPM, ASUS Control Center Express)
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
AMD AM4 Socket and PCIe 4. 0: The perfect pairing for 3rd Gen AMD Ryzen CPUs
First PCIe 4. 0 CSM motherboard: ASUS Corporate Stable Model with up to 36-month supply, EOL notice, and ECN control
5X Protection III: all-round protection with LANGuard, DRAM overcurrent protection, overvoltage protection, SafeSlot Core safeguards and stainless-steel back I/O.Please ensure your BIOS is up to date if installing a compatible Ryzen 5000 series CPU. Visit ASUS site search by motherboard model name, click on Support" tab, Drivers and Tools, then BIOS & Firmware to download the latest BIOS.
The seller’s own description, as shown on Amazon.co.uk. We have not checked these claims.
Price history
£81.74lowest we have seen
£171.05highest
£101.18usual price, last 90 days
23 Sep 2025tracked since
Price changes as a table
From
New price
22 Sep 2026, 15:22
£81.74
18 Sep 2026, 21:06
£81.74
16 Sep 2026, 01:44
£89.90
4 Sep 2026, 14:28
£96.85
28 Aug 2026, 05:46
£92.98
13 Aug 2026, 15:20
£102.37
7 Aug 2026, 02:35
£102.20
28 Jul 2026, 01:28
£98.54
25 Jul 2026, 04:52
£104.10
24 Jul 2026, 11:56
£100.62
23 Jul 2026, 01:52
£101.18
17 Jul 2026, 07:28
no offer
10 Jul 2026, 03:36
£101.18
7 Jul 2026, 09:36
£107.86
3 Jul 2026, 11:04
£108.84
27 Jun 2026, 12:58
£108.31
12 Jun 2026, 12:50
£109.16
9 Jun 2026, 17:22
£121.61
9 Jun 2026, 06:56
£100.94
5 Jun 2026, 18:44
£110.02
3 Jun 2026, 02:32
£109.39
26 May 2026, 12:24
£118.06
24 May 2026, 02:38
£113.71
21 May 2026, 03:04
£111.43
12 May 2026, 14:28
£121.43
5 May 2026, 09:28
£120.31
24 Apr 2026, 03:08
£118.49
12 Apr 2026, 16:04
£120.79
21 Mar 2026, 05:24
£121.48
20 Feb 2026, 00:52
£121.51
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