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
£72.89lowest we have seen
£150.82highest
£89.90usual price, last 90 days
8 Nov 2025tracked since
Price changes as a table
From
New price
31 Oct 2026, 06:22
£89.54
30 Oct 2026, 06:22
£79.18
28 Oct 2026, 06:22
£86.09
25 Oct 2026, 18:22
£81.83
19 Oct 2026, 00:22
£87.17
17 Oct 2026, 00:22
£83.70
10 Oct 2026, 06:22
£90.43
9 Oct 2026, 06:22
£89.10
7 Oct 2026, 06:22
£83.60
3 Oct 2026, 12:22
£81.65
2 Oct 2026, 12:22
£77.93
2 Oct 2026, 06:22
£72.89
30 Sep 2026, 06:22
£80.06
26 Sep 2026, 18:22
£88.04
26 Sep 2026, 00:22
£84.34
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
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