This certified Thunderbolt™ 3 docking station is a compact mini dock, delivering essential connections for productivity. The bus-powered dock connects dual 4K Display Port displays, Gigabit Ethernet, & one USB (Universal Serial Bus)-A (USB 3.2) port & for flexible set up, the attached Thunderbolt 3 cable has an extended length of (11 in./ 28 cm). Create a Dual-4K 60 Hz Workstation Great for editing 4K video or other Ultra HD tasks, this portable Thunderbolt™ 3 to Display Port dock supports 40 Gbps of throughput & 4K resolution at 60 Hz on dual Display Port 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 Display Port (DP) displays (up to 4096 x 2160p @ 60 Hz) 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 & in your laptop case. The docks 28 cm (11 inches) attached cable provides extended reach to reduce port/connector strain on Mac Books & 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 (Universal Serial Bus) 3.2 Gen 1 Type-A port (5 Gbps) 1x Gigabit Ethernet port (with PXE Boot & 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 laptops 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 & functionality, while their workstation laptops are separately charged." The TB3DKM2DPL is Thunderbolt Certified & backed by a Star Tech.com 3-year warranty & free lifetime technical support.