£103.97 as of 20 Sep, 02:41 7% less £96.89 Amazon £89.99 as of 20 Sep, 02:41 — 5% under its 90-day usual — Amazon £79.99 as of 20 Sep, 02:41 — — Amazon £109.99 as of 20 Sep, 02:41 14% less £94.99 Amazon £139.00 as of 20 Sep, 02:43 — — Amazon £127.14 as of 20 Sep, 02:43 — — Amazon MSI B550 GAMING Motherboard 30-day low AM4 · B550 · ATX · DDR4 · first available Jun 2026 (2 mo old) · RRP £109.99 2× M.2 · 4 RAM slots · USB-C 10Gbps £109.99 as of 20 Sep, 02:43 — — Amazon £134.99 as of 20 Sep, 02:41 — — Amazon £79.99 as of 20 Sep, 02:41 — — Amazon £161.20 as of 20 Sep, 02:41 — — Amazon £86.99 as of 20 Sep, 02:41 3% less 3% under its 90-day usual — Amazon £94.97 as of 20 Sep, 02:43 — — Amazon £99.95 as of 20 Sep, 02:43 17% less £82.66 Amazon £96.95 as of 20 Sep, 02:43 — — Amazon ASUS PRIME B550M-A AM4 · B550 · Micro-ATX · DDR4 · first available Jan 2022 (4 yr 8 mo old) · RRP £93.86 2× M.2 £89.99 as of 20 Sep, 02:41 — 10% under its 90-day usual — Amazon £126.98 as of 20 Sep, 02:41 17% less £105.27 Amazon ASUS Prime B550M-K AMD B550 AM4 · B550 · Micro-ATX · DDR4 · WiFi · first available Jan 2022 (4 yr 8 mo old) · RRP £134.99 WiFi 6 · 2× M.2 £85.22 as of 20 Sep, 02:41 4% less 5% under its 90-day usual — Amazon ASUS PRIME B550-PLUS 90-day low AM4 · B550 · ATX · DDR4 · first available Jan 2022 (4 yr 8 mo old) · RRP £124.56 2× M.2 · USB-C 10Gbps £92.66 as of 20 Sep, 02:41 3% less 3% under its 90-day usual — Amazon £114.99 as of 20 Sep, 02:41 — — Amazon ASUS PRIME B550M-A WIFI II AM4 · B550 · Micro-ATX · DDR4 · WiFi · first available Dec 2021 (4 yr 9 mo old) · RRP £130.99 WiFi 6 · 2× M.2 · 4 RAM slots £87.99 as of 20 Sep, 02:41 — 2% under its 90-day usual — Amazon ASUS PRIME B550M-K WIFI Lowest we've recorded AM4 · B550 · Micro-ATX · DDR4 · WiFi · first available Jun 2026 (3 mo old) WiFi 6 £150.13 as of 20 Sep, 02:43 — 12% under its 90-day usual — Amazon ASUS TUF Gaming B550-PLUS AM4 · B550 · ATX · DDR4 · WiFi · first available Jan 2022 (4 yr 8 mo old) · RRP £194.25 WiFi 6 · 2.5GbE · 2× M.2 · BIOS flashback · USB-C 10Gbps £116.19 as of 20 Sep, 02:41 — — Amazon £139.99 as of 20 Sep, 02:41 12% less 10% under its 90-day usual £123.80 Amazon £89.99 as of 20 Sep, 02:41 — — Amazon £79.99 as of 20 Sep, 02:43 — — Amazon £89.99 as of 20 Sep, 02:43 — — Amazon £289.99 as of 20 Sep, 02:42 — — Amazon £89.64 as of 20 Sep, 02:41 — 13% under its 90-day usual — Amazon £353.17 as of 20 Sep, 02:41 — 31% under its 90-day usual — Amazon ASUS TUF GAMING B550-PLUS AM4 · B550 · ATX · DDR4 · WiFi · first available Oct 2021 (4 yr 11 mo old) · RRP £174.99 WiFi 6 · 2.5GbE · 2× M.2 · 4 RAM slots · USB-C 10Gbps £147.03 as of 20 Sep, 02:41 11% less 3% under its 90-day usual — Amazon £154.66 as of 20 Sep, 02:41 — 1% under its 90-day usual — Amazon Gigabyte B550 UD AC 90-day low AM4 · B550 · ATX · DDR4 · WiFi · first available Feb 2023 (3 yr 7 mo old) 2× M.2 · 4 RAM slots · BIOS flashback £102.38 as of 20 Sep, 02:41 — 18% under its 90-day usual — Amazon £424.99 as of 20 Sep, 02:40 — — Amazon £349.99 as of 20 Sep, 02:40 — — Amazon £299.99 as of 20 Sep, 02:40 — — Amazon £364.99 as of 20 Sep, 02:40 — — Amazon £314.99 as of 20 Sep, 02:40 — — Amazon £309.99 as of 20 Sep, 02:40 — — Amazon £329.99 as of 20 Sep, 02:40 — — Amazon £334.99 as of 20 Sep, 02:40 — — Amazon