Sonnet Thunderbolt Firmware Updater
October 1, 2026

Description:
The Sonnet Thunderbolt Firmware Update Tool updates Sonnet Technologies Thunderbolt 5 devices.
Run Sonnettech_Thunderbolt_Firmware_Update_Tool_2.1.exe and follow instructions.

Thunderbolt 5 PCIe Expansion Thunderbolt Firmware Version 69.1
Echo 13 Thunderbolt 5 SSD Dock Thunderbolt Firmware Version 69.1
Echo 20 Thunderbolt 5 SecureDock Thunderbolt Firmware Version 69.69
Echo 21 Thunderbolt 5 SuperDock Thunderbolt Firmware Version 69.69
Breakaway Box 850T5 Thunderbolt Firmware Version 69.1

OS Requirement:
Windows 11
