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 £88.37 as of 20 Sep, 02:41 — — Amazon ASUS TUF Gaming B850I WIFI NEO AM5 · B850 · Mini-ITX · DDR5 · WiFi · first available Jan 2024 (2 yr 8 mo old) · RRP £195.99 WiFi 6E · 2.5GbE · 2× M.2 · PCIe 5.0 · USB-C 20Gbps £188.92 as of 20 Sep, 02:41 — — 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 £189.50 as of 20 Sep, 02:41 — 1% under its 90-day usual — Amazon £192.12 as of 20 Sep, 02:41 — — Amazon £131.97 as of 20 Sep, 02:41 5% less 5% under its 90-day usual — Amazon £205.99 as of 20 Sep, 02:41 — — Amazon £131.88 as of 20 Sep, 02:43 — 17% under its 90-day usual — Amazon £235.99 as of 20 Sep, 02:43 — — 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 £203.71 as of 20 Sep, 02:41 — — Amazon £201.27 as of 20 Sep, 02:41 5% less 3% under its 90-day usual — Amazon £246.98 as of 20 Sep, 02:42 3% less 4% under its 90-day usual — Amazon £258.00 as of 20 Sep, 02:42 — — Amazon £229.99 as of 20 Sep, 02:42 — — Amazon £170.00 as of 20 Sep, 02:41 — — Amazon £196.00 as of 20 Sep, 02:42 — 2% under its 90-day usual — Amazon £189.00 as of 20 Sep, 02:42 — 1% under its 90-day usual — Amazon ASUS TUF Gaming B850-E WiFi AM5 · B850 · ATX · DDR5 · WiFi · first available Mar 2025 (1 yr 6 mo old) · RRP £259.99 WiFi 6E · 2.5GbE · 3× M.2 · BIOS flashback · USB-C 20Gbps £174.95 as of 20 Sep, 02:43 24% less £132.92 Amazon £219.54 as of 20 Sep, 02:43 — 3% 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 £336.99 as of 20 Sep, 02:41 9% less 10% under its 90-day usual — Amazon £489.95 as of 20 Sep, 02:41 — — Amazon £401.76 as of 20 Sep, 02:41 — — Amazon £333.99 as of 20 Sep, 02:42 — — Amazon Asus TUF GAMING B650-E WIFI AM5 · B650 · ATX · DDR5 · WiFi · first available Jan 2024 (2 yr 8 mo old) · RRP £218.92 WiFi 6E · 2.5GbE · 3× M.2 · PCIe 5.0 · 4 RAM slots £139.99 as of 20 Sep, 02:42 — — Amazon £948.57 as of 20 Sep, 02:42 — — Amazon £229.97 as of 20 Sep, 02:42 — — Amazon £359.99 as of 20 Sep, 02:42 13% less £312.51 Amazon £299.99 as of 20 Sep, 02:42 — — Amazon £605.48 as of 20 Sep, 02:42 — — Amazon £359.99 as of 20 Sep, 02:42 — — Amazon £454.50 as of 20 Sep, 02:42 24% less 24% under its 90-day usual — Amazon £411.16 as of 20 Sep, 02:42 — — Amazon