This certified Thunderbolt™ 3 docking station is a compact mini dock, delivering essential connections for productivity. The bus-powered dock connects dual 4K HDMI displays, Gigabit Ethernet, and two USB-A (USB 3.2 / 2.0) ports and for flexible set up, the attached Thunderbolt 3 cable has an extended length of (11 in./ 28 cm). Create a Dual-4K 60Hz Workstation Great for editing 4K video or other Ultra HD tasks, this portable Thunderbolt™ 3 to HDMI dock supports 40 Gbps of throughput and 4K resolution at 60Hz on dual HDMI monitors, through a single Thunderbolt™ 3 port. Run resource-demanding applications on two independent displays without draining system resources. Connect your laptop to: 2x 4K HDMI displays (up to 4096 x 2160p @ 60Hz) Compact Size & 11-Inch Attached Host Cable At just 2.4" x 4.9" (6.1 cm x 12.4 cm), this dock takes up minimal room on your desk and in your laptop case. The dock's 28 cm (11 inches) attached cable provides extended reach to reduce port/connector strain on MacBooks and laptops on riser stands, or if needed, offers the flexibility to position dock further away from the laptop on your desk. The Ports You Need Most 1x USB 3.2 Gen 1 Type-A port (5Gbps) 1x USB 2.0 Type-A port 1x Gigabit Ethernet port (with PXE Boot and Wake-on-LAN support) Ideal for Power-Demanding Workstation Setups As many high powered, later generation laptops optimally require more than 100W of power to stay charged, some users prefer to use their laptop's power adapter vs. using their docking stations to keep laptops charged. This bus-powered TB3 mini dock is ideally suited for those users, providing full Thunderbolt™ 3 docking station performance and functionality, while their workstation laptops are separately charged. The TB3DKM2HDL is Thunderbolt Certified and backed by a StarTech.com 3-year warranty and free lifetime technical support.