Adds 10GBASE-T 10 Gigabit Ethernet connectivity to your computer with PCIe slots | Cost-Effective-Low-cost PCIe card connects to 10GbE infrastructure via inexpensive CAT 6 or CAT 6A cables at distances up to 55 or 100 meters, respectively | Advanced features include Audio Video Bridging (IEEE 802, 1Qav, AVB) | Optimized for Thunderbolt. Compatible with macOS 10.13.3+; Windows 10, 8, 7, and Linux 4.4, 4.2, 3.10, and 3.2 | 2-year warranty and free lifetime technical support since 1986

Adds 10GBASE-T 10GbE Connectivity: Adds an RJ45 10 Gigabit Ethernet port to your computer with Thunderbolt 3 ports. | Supports NBASE-T Standard: 5 Gb/s and 2.5 Gb/s speeds supported over inexpensive Cat 5e (or better) cabling at distances up to 100 meters when used with a multi-Gigabit switch or router. | Small, Silent, and Bus-Powered: Adapter is pocketable, has a rugged aluminum enclosure, and uses no fan | Cost-Effective: Low-cost adapter connects to 10GbE infrastructure via inexpensive Cat 6 or Cat 6A cables at distances up to 55 or 100 meters, respectively. | Advanced Features: Audio Video Bridging (IEEE 802.1Qav, AVB) and Energy-Efficient Ethernet (IEEE 802.3az) supported.