| BIOS update download | |||||
| BIOS version | date | info | name | add.1 | add.2 |
| B5.9G | 2025/10/21 | 1. update CRB CODE to 1.2.0.F 2 update TPM firmware to 3.92.2.5 3. update UEFI version to 2.075 |
MSTXB550M59.zip | DOWN | DOWN |
| B5.7G | 09/13/2025 | 1. optimize memory compatibility 2. add IOMMU and DMA Protection options 3. modify the default value of SYS_FAN to System 4. turn off write protection by default 5. upgrade UEFI PXE version to 2.073 |
MSTXB550M57.zip | DOWN | DOWN |
| B5.5G | 04/08/2025 | 1. update CRB CODE to 1.2.0.E 2 modify the default value of SystemFan 3. upgrade the network card UEFI PXE to 2.071 |
MSTXB550M55.zip | DOWN | DOWN |
| B5.4G | 12/28/2024 | 1. Turn on the Re-Size Bar function by default; | MSTXB550M54.zip | DOWN | DOWN |
| B5.3G | 11/27/2024 | 1. Optimize Manual option adjustment of BIOS 2. Update PXE version to 2.70 and UEFI PXE version to 2.068; |
MSTXB550M53.zip | DOWN | DOWN |
| B5.1G | 04/07/2024 | 1. The position of BIOS homepage displays UUID information; | MSTXB550M51.zip | DOWN | DOWN |
| B4.9G | 01/29/2024 | 1.The CRB Code has been updated from 1.2.0.7 to 1.2.0. B; 2.Support CPU for Ry zen 1xxx to 5xxx； |
MSTXB550M49.zip | DOWN | DOWN |
| B4.8G | 07/26/2023 | 1.Patch Kingbank Changxin Granule XMP3200 memory; | MSTXB550M48.zip | DOWN | DOWN |
| B4.7G | 07/19/2023 | 1.Update Agesa PI 1.2.0. A; 2.Optimize the memory compatibility of Changxin granules; 3.Support modifying memory Timing values in XMP mode; 4.Update 1G Legacy Pxe to version 2.69 and Uefi Pxe to version 2.061; |
MSTXB550M47.zip | DOWN | DOWN |
| B4.5G | 05/19/2023 | 1.Optimize the compatibility performance of the USB3.0 interface on the motherboard; | MSTXB550M45.zip | DOWN | DOWN |
| 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 | |
| Audio | for Win10/11-64 Realtek_ALC662_6.0.18210 | 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 | |
| A1.0 | MS-TERMINATOR B550M 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 | |
