| PRIME B550-PLUS | 4 DDR4 DIMM slots | 64 GB | Upgradable | 66 |
| PRIME B550-PLUS AC-HES | 4 DDR4 DIMM slots | 32 GB | Upgradable | 6 |
| PRIME B550M-A | 4 DDR4 DIMM slots | 128 GB | Upgradable | 46 |
| PRIME B550M-A (WI-FI) | 4 DDR4 DIMM slots | 64 GB | Upgradable | 25 |
| PRIME B550M-A AC | 4 DDR4 DIMM slots | 32 GB | Upgradable | 10 |
| PRIME B550M-A WIFI II | 4 DDR4 DIMM slots | 64 GB | Upgradable | 15 |
| PRIME B550M-K | 4 DDR4 DIMM slots | 64 GB | Upgradable | 29 |
| PRIME B550M-K ARGB | 2 DDR4 DIMM slots | 16 GB | Upgradable | 4 |
| Pro B550M-C | 4 DDR4 DIMM slots | 16 GB | Upgradable | 4 |
| ProArt B550-CREATOR | 4 DDR4 DIMM slots | 64 GB | Upgradable | 11 |
| ROG STRIX B550-A GAMING | 4 DDR4 DIMM slots | 64 GB | Upgradable | 29 |
| ROG STRIX B550-E GAMING | 4 DDR4 DIMM slots | 128 GB | Upgradable | 36 |
| ROG STRIX B550-F GAMING | 4 DDR4 DIMM slots | 64 GB | Upgradable | 96 |
| ROG STRIX B550-F GAMING (WI-FI) | 4 DDR4 DIMM slots | 96 GB | Upgradable | 77 |
| ROG STRIX B550-F GAMING WIFI II | 4 DDR4 DIMM slots | 128 GB | Upgradable | 29 |
| ROG STRIX B550-I GAMING | 2 DDR4 DIMM slots | 64 GB | Upgradable | 61 |
| ROG STRIX B550-XE GAMING WIFI | 4 DDR4 DIMM slots | 64 GB | Upgradable | 5 |
| TUF GAMING B550-PLUS | 4 DDR4 DIMM slots | 64 GB | Upgradable | 111 |
| TUF GAMING B550-PLUS (WI-FI) | 4 DDR4 DIMM slots | 64 GB | Upgradable | 17 |
| TUF GAMING B550-PLUS WIFI II | 4 DDR4 DIMM slots | 64 GB | Upgradable | 24 |
| TUF GAMING B550-PRO | 4 DDR4 DIMM slots | 32 GB | Upgradable | 5 |
| TUF GAMING B550M-E | 4 DDR4 DIMM slots | 128 GB | Upgradable | 8 |
| TUF GAMING B550M-E WIFI | 4 DDR4 DIMM slots | 32 GB | Upgradable | 12 |
| TUF GAMING B550M-PLUS | 4 DDR4 DIMM slots | 64 GB | Upgradable | 65 |
| TUF GAMING B550M-PLUS (WI-FI) | 4 DDR4 DIMM slots | 128 GB | Upgradable | 46 |
| TUF GAMING B550M-PLUS WIFI II | 4 DDR4 DIMM slots | 64 GB | Upgradable | 22 |
| TUF GAMING B550M-ZAKU (WI-FI) | 4 DDR4 DIMM slots | 32 GB | Upgradable | 2 |