Operating System Requirements: Windows 10, Windows 11, Windows Server 2019, Windows Server 2022 Description: This is the unified Windows driver for the Sonnet TWIN25G and TWIN10G SFP28 Thunderbolt Adapters, and TWIN25G and TWIN10G SFP28 PCIe Cards.
The TWIN25G driver kit extension will not show in System Information>Software>Extensions.
To check whether the driver is installed, go to System Information>Hardware>Ethernet Cards. Click on one of the TWIN25G's ports and it should say Driver: com.sonnettech.sntmlx5e.