Adds 10GbE Connectivity to Mac Pro Towers, Windows PCs, and Linux ServersPowerfully simple way to add high-performance 10GbE connectivity to your computer with PCIe slots ^^ Optimized for ThunderboltIdeal for use in Sonnet's Echo Express and xMac Thunderbolt-to-PCIe card expansion systems ^^ Cost EffectiveConnects to 10GbE infrastructure via inexpensive CAT-6 or CAT-6A cables at distances up to 55 or 100 meters, respectively ^^ Simple SetupLow-profile x8 PCI Express card installs into an available slot, and after a simple driver installation, configures through OS X Network control panel or Windows Device Manager ^^ Supports Transparent FailoverKeeps your computer connected in case a single cable is disconnected or one of the ports fails