Adds High-performance 25GbE Connectivity: Simply powerful way to add dual optical 25GbE connections to any computer with Thunderbolt 4 or Thunderbolt 3 ports. Mac, Windows and Linux Compatible Not compatible with macOS 15.3.1 or 15.4. Apple update pending SFP28 Transceivers Included: High-performance adapter includes two 25GBASE SFP28 transceivers. Backward Compatible: Adapter also supports 10GbE — enables you to integrate with 10GbE infrastructure now and upgrade your switch or shared storage system to 25GbE later. Two Thunderbolt Ports: One port connects to computer; second port provides 15W for a Thunderbolt or USB 3 device; or to connect up to an 8K display. The Twin25G is a 25 Gigabit Ethernet Thunderbolt Adapter with Two SFP28 Transceivers for computers with Thunderbolt 4 or Thunderbolt 3 ports. Incredible 25GbE Connectivity Over Thunderbolt! Many post-production shared storage workgroups and other bandwidth-intensive workflows have reached a point where 10Gb Ethernet (10GbE) does not provide enough bandwidth and speed for optimum performance. Stepping up to 25Gb Ethernet (25GbE) makes a lot of sense — it offers greater performance and often works with the same optical network infrastructure as 10GbE. For these workgroups, there is now a cost-effective 25GbE interface for your Mac, Windows, or Linux computer with Thunderbolt 4 or Thunderbolt 3 ports — Sonnet’s Twin25G, an affordable yet powerful solution for adding incredibly-fast fiber optic 25GbE network connectivity.