Peripheral connections and power for your computer with just one cable. Sonnet's Echo 11 Thunderbolt 3 Dock connects your peripherals to your computer with a single cable. Simply connect your devices such as a printer, keyboard, mouse, modem cable, hard disks, optical disks, software dongles, headphones or amplified speakers, a telephone, a tablet and up to to two 4K displays, all on the device, with their supplied cables and then connect your computer with the included Thunderbolt 3 (40Gbps) cable. When you want to pick up your computer and go with it, just disconnect the Thunderbolt cable. One cable does it all! Thunderbolt Certified for Mac® and Windows® The Echo 11 Thunderbolt 3 Dock is compatible with Mac and Windows computers equipped with Thunderbolt 3 ports. Leave your charger in the backpack. For users whose laptops and notebooks accept charging via Thunderbolt, the Echo 11 dock also provides up to 87W of power through the included Thunderbolt 3 cable between the dock and the computer. These computers fall into 4 charging power categories: 30W (example: Dell XPS 12), 45W (example: Dell XPS 13), 60W (example: 13-inch MacBook Pro®) and 87W (example: 15-inch MacBook Pro) —the Echo 11 charges them at the maximum power they accept, so you can leave your AC power idle!