| BIOS update download | |||||
| BIOS version | date | info | name | add.1 | add.2 |
| B4.3G | 03/21/2023 | 1. Optimize UUID writing. | MSTXB550M43.zip | DOWN | DOWN |
| B4.2G | 12/02/2022 | 1. The TPM is turned on by default. | MSTXB550M42.RAR | DOWN | DOWN |
| Drivers download | ||||
| Type | Description | add.1 | add.2 | |
| chipset | for Win10/11-64 AMD_Chipset_AM4_5.01.29.2026 | DOWN | DOWN | |
| Graphics | for Win10/11-64 AMD_Graphics_22.40.02 | DOWN | DOWN | |
| Sound card | for Win10/11-64 Realtek_ALC897_6.0.9239.1 | DOWN | DOWN | |
| Win10 LAN | for Win10-64 Realtek_LAN_W10_10.62.824.2022 | DOWN | DOWN | |
| Win11 LAN | for Win11-64 Realtek_LAN_W11_11.10.720.2022 | DOWN | DOWN | |
| AMD RAID | for Win10/11-64 AM4_RAID_W10_W11_9.3.0.296 | DOWN | DOWN | |
| Manual | ||||
| VER | Description | add.1 | add.2 | |
| V1.0 | MS-TERMINATOR B550M V2 motherboard manual | DOWN | DOWN | |
| V1.0 | AMD DDR4 Memory support list（Update at any time） | DOWN | DOWN | |
| V1.0 | AMD_B550 Motherboard CPU support list（Update at any time） | DOWN | DOWN | |
