The Magma ExpressBox 3T is a Thunderbolt 2 expansion chassis designed for adding up to 3 PCIe slots to your computer. With compatibility for PCI Express 2.0 ports, this device allows you to expand your system's capabilities with a variety of external interfaces including Thunderbolt 2 and SFP. Made by Magma, this expansion chassis is ideal for professionals looking to enhance their setup with additional hardware and ports. Built in China, this product offers a reliable and high-quality solution for expanding your computer's interface options.Comes With Thunderbolt Cable and Apple Thunderbolt 3 adapter and AC Cable