All electronics ship with US style plugs.You may need a voltage converter or a plug adapter.
Special Features
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.