MSI MAG B850 Gaming Plus WiFi PZ
Motherboards · MSI
Last checked
Latest Firmware
Version 7E75v1A42
Released
17.1 MB
Update track record
- releases tracked since 2025
- 10
- typical gap between releases
- ~3 weeks
- since the latest release
- 27 days
- security-related releases · latest 2025-07-18
- 1
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Get notified when new firmware is released for this device.
Firmware History
7E75v1A42
Latest- AGESA PI-1.3.0.1b Patch A updated. - TSME (Transparent Secure Memory Encryption) enabling with the Ryzen 9000 series CPU.
Download from MSI (opens in new tab)7E75v1A41
- AGESA PI-1.3.0.1b updated. - Optimized with AMD EXPO Technology: Featuring Ultra Low Latency.
Download from MSI (opens in new tab)
Why Keep Your Firmware Updated
Motherboard BIOS/UEFI firmware is essential for hardware initialization and CPU compatibility. Updates often include microcode patches for security vulnerabilities, support for newer processors and memory, and stability improvements. Always use a UPS or ensure stable power during BIOS updates — an interrupted flash can render the board unbootable.