The Sabrent 10G Ethernet Adapter Thunderbolt 3 Type-C 10Gbps Multi-Gig RJ45 TH-S3EA is a high-speed network card designed for computers and tablets. With a maximum data rate of 10 Gbps, this adapter provides fast and reliable network connectivity. The Thunderbolt 3 interface allows for easy connection to Mac and Windows laptops, while the RJ-45 external interface ensures compatibility with a wide range of wired network connections. This unit from Sabrent is a versatile and essential addition to any computer setup looking to boost network performance.