Twin25G T5 Thunderbolt 5 Adapter
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Driver (1)
IDDownload TitleDownload LinkPost Date
1291 TWIN25G/TWIN10G SFP28 Thunderbolt Adapter driver [macOS 15] 4.2.2
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July 25, 2025
Operating System Requirements: macOS 15
File Name: dskcd-sonnet-network-4.2.2.dmg
File Size: 2.1 MB
Description: This is the application (Sonnet Network) that installs the driver to enable the use of Sonnet TWIN25G and TWIN10G Thunderbolt Adapters with Mac computers running macOS 15
• This application must be installed into your computer’s Applications folder to run. Do not delete the application after use; doing so will delete the Sonnet driver.


Important Notes:
• Support for macOS 26 will be released soon. Meanwhile use the Apple built-in driver.
 
 
Firmware (0)
Manual (1)
IDDownload TitleDownload LinkPost Date
1283 Twin25G T5 Thunderbolt 5 Adapter User's Guide [English/French]
Download Now
Jun-19-26
 
FAQ (3)
IDArticle TitlePost Date
1044 My 10G/25G adapter performance drops significantly on a laptop when battery level is low.Jun-19-26
1223 TWIN25G Teaming for Windows 11Aug-13-26
1226 TWIN25G macOS driver does not show in ExtensionsJun-01-26
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.