Asus: 21.5" Full HD Monitor vs PRO B550M
Two tech & gaming deals from Asus, side by side · prices checked 30 Oct 2026
Asus−36%
ASUS PRO B550M-C/CSM AMD B550 Socket AM4 micro ATX
£136.99£213.04
at Back to the OfficeView deal →| 21.5" Full HD Monitor | PRO B550M | |
|---|---|---|
| Price today | £150.99 | £136.99 |
| Previous price | £264.93 (Amazon price) | £213.04 (Amazon price) |
| Discount | 43% | 36% |
| You save | £113.94 | £76.05 |
| Retailer | Back to the Office | Back to the Office |
The short version: the PRO B550M is the cheaper of the two at £136.99 (£14 less than the 21.5" Full HD Monitor). The bigger discount is on the 21.5" Full HD Monitor at 43% off its amazon price. So it depends whether you want the lower price or the larger saving against list. Both prices were checked this morning and link straight to the retailer.