| BIOS update download | |||||
| Model VER：V1 | |||||
| BIOS version | date | info | name | add.1 | add.2 |
| B1.4G | 10/23/2025 | 1. Update AgesaPI to 1.2.0.3g 2. Upgrade UEFI PXE to 2.075 3. Optimize memory compatibility |
MSChallengerB650MK14.zip | DOWN | DOWN |
| B1.3G | 09/16/2025 | 1.Original Version。 | MSChallengerB650MK13.zip | DOWN | DOWN |
| Drivers download | ||||
| Type | Description | add.1 | add.2 | |
| chipset | for Win10/11-64 | DOWN | DOWN | |
| Graphics | for Win10/11-64 | DOWN | DOWN | |
| Audio | for Win10/11-64 Realtek_ALC1220/897 | DOWN | DOWN | |
| Win10 LAN | for Realtek_LAN_Win10-64 | DOWN | DOWN | |
| Win11 LAN | for Realtek_LAN_Win11-64 | DOWN | DOWN | |
| AM5 RAID | for Win10/11-64 AM5_RAID | DOWN | DOWN | |
| RGB Driver | for Win10/11-64 STC_LED_Controller.zip | DOWN | DOWN | |
| Download related motherboard application software | ||||
| Name | Description | Add.1 | Add.2 | |
| RGB control software | Suitable for motherboards with ARGB and NRGB pins | DOWN | DOWN | |
| Manual | ||||
| VER | Description | add.1 | add.2 | |
| A1.0 | MS-Challenger B650M-K MOdel VER:V1 motherboard manual | |||
| V1.0 | AMD DDR5 Memory support list（Update at any time） | DOWN | DOWN | |
| V1.0 | AMD_AM5 Motherboard CPU support list（Update at any time） | DOWN | DOWN | |
