Sold as 1 Each. Nano docking station provides the ultimate plug-and-play solution to connect up to three additional Thunderbolt devices with up to dual 4K video output. Lets you extend visual productivity with the crisp resolution, contrast, and color depth of Ultra HD (single 8K at 30Hz or dual 4K at 60Hz). Connection technology: Thunderbolt 3. 60W Power Delivery allows you to quickly and easily charge any compatible laptop. Includes a Thunderbolt 3 cable for quick and powerful plug-and-play experience. 3-year manufacturer limited warranty. Offers 2 x Thunderbolt 3, 2 x DisplayPort 1.4, 3 x USB Type-A port, 1 x Gigabit Ethernet, 1 x audio combo jack; 1 x UHS-I SD 3.0 card reader.