The ASUS Prime TRX40-Pro is an ASUS PRIME series mainstream motherboard supporting AMD Threadripper processors on the sTRX4 socket with DDR4 memory. It targets home office users and mainstream builders and provides a comprehensive feature set for its platform tier. BIOS updates deliver stability improvements, security patches, new processor compatibility, and platform optimizations.
Product released: November 1, 2019
Latest firmware version
Version 2502, released January 27, 2026
What's new in version 2502
Update fTPM firmware from TPM-A to TPM-B. Please back up your BitLocker recovery key and suspend BitLocker encryption in the operating system before updating the BIOS.
Before running the USB BIOS Flashback tool, please rename the BIOS file (PTRX40P.CAP) using BIOSRenamer.