IOGEAR's Thunderbolt 3 to eSATA and USB Adapter quickly connects your MacBook Pro to an external storage device. Backup and access your files in no time with the Adapter's ultra-high-speed data transfer rates reaching speeds to 40Gbps. Utilize the USB port on the Adapter to simultaneously attach other USB devices. Charge and synch your Smartphone or connect a USB hub for port expansion without experiencing any performance delays. • Attach an eSATA drive to your Thunderbolt 3 Mac • 6 Gbps eSATA connectivity for an external storage device • Add a USB-A 3.1 or USB peripheral via a second port • Ultra-high-speed data transfer rates up to 40Gbps • Plug-n-Play, no drivers or software to install • Connect (1) USB-A 3.1 or USB peripheral • Compatible with eSATA III, eSATA II & eSATA I • Supports USB 3.1 Gen1/Gen2 & USB 2.0/1.1 Requirements : • Thunderbolt 3 enabled system • Windows 10 • Mac OS X 10.7 +