| £105.67as of | —5% under its 90-day usual | — | Amazon |
 Gigabyte B550 Gaming X V2AM4 · B550 · ATX · DDR4 · first available Oct 2020 (5 yr 11 mo old) · RRP £149.992× M.2 · 4 RAM slots | £117.96as of | — | — | Amazon |
| £304.99as of | — | — | Amazon |
| £364.99as of | — | — | Amazon |
| £374.99as of | — | — | Amazon |
| £234.99as of | — | — | Amazon |
| £259.99as of | — | — | Amazon |
| £132.46as of | — | — | Amazon |
| £145.38as of | — | — | Amazon |
| £279.99as of | — | — | Amazon |
| £389.99as of | — | — | Amazon |
| £329.99as of | — | — | Amazon |
| £379.99as of | — | — | Amazon |
| £61.00as of | — | — | Amazon |
| £201.61as of | —33% under its 90-day usual | — | Amazon |
| £220.42as of | —5% under its 90-day usual | — | Amazon |
| £110.89as of | —6% under its 90-day usual | — | Amazon |
| £138.70as of | — | — | Amazon |
| £49.99as of | — | — | Amazon |
| £73.04as of | —11% under its 90-day usual | — | Amazon |
| £210.35as of | — | — | Amazon |
| £106.88as of | — | — | Amazon |
| £242.51as of | —1% under its 90-day usual | — | Amazon |
| £134.95as of | — | — | Amazon |
| £92.47as of | —2% under its 90-day usual | — | Amazon |
 MSI PRO B550M-P Motherboard Lowest we've recordedAM4 · B550 · Micro-ATX · DDR4 · first available Jun 2026 (3 mo old)2× M.2 · 4 RAM slots | £72.10as of | —14% under its 90-day usual | — | Amazon |
| £81.89as of | —1% under its 90-day usual | — | Amazon |
| £123.72as of | 8% less7% under its 90-day usual | — | Amazon |
| £110.47as of | —3% under its 90-day usual | — | Amazon |
| £101.98as of | —3% under its 90-day usual | — | Amazon |
| £189.17as of | —25% under its 90-day usual | — | Amazon |
 Asus PRIME B550M-K ARGBAM4 · B550 · Micro-ATX · DDR4 · first available Jan 2023 (3 yr 8 mo old) · RRP £99.992× M.2 · 2 RAM slots · USB-C 5Gbps | £82.15as of | — | — | Amazon |
| £174.95as of | — | — | Amazon |
| £156.92as of | —12% under its 90-day usual | — | Amazon |
 ASUS TUF GAMING B550-PLUS 30-day lowAM4 · B550 · ATX · DDR4 · first available Jan 2022 (4 yr 8 mo old) · RRP £131.58USB-C 10Gbps | £122.55as of | 3% less1% under its 90-day usual | — | Amazon |
| £69.95as of | — | — | Amazon |
| £93.98as of | —9% under its 90-day usual | — | Amazon |
| £153.78as of | —1% under its 90-day usual | — | Amazon |
| £454.95as of | — | — | Amazon |
| £173.01as of | —6% under its 90-day usual | — | Amazon |