Adds High-performance 10GbE Fiber Connectivity: Simply powerful way to add dual 10GbE fibre connections to your computer with Thunderbolt ports. | Mac, Windows, and Linux Compatible & SFP28 Transceivers Included: High-performance adapter includes two short range (300m) SFP28 transceivers. Mac, Windows, and Linux Compatible. | Increased Throughput: By utilizing two network connections to SMB Servers, the bandwidth of each port can be combined to deliver twice the data transfer rate. | Compact. Rugged. Nearly Noiseless. Adapter is rugged and small enough to sit on most any work surface, and quiet enough for use in noise-sensitive environments. | Thunderbolt to PCIe Device: Enough PCIe bandwidth to support two 10Gb ports at full speed.