This compact Thunderbolt 3 dock is built for productivity, transforming your Thunderbolt 3 MacBook Pro or Windows laptop into a dual-4K workstation with up to 40Gbps of throughput. The high- performance dock features a PCIe M.2 SSD slot for enhanced data storage, three USB ports, an SD card reader, a Gigabit Ethernet port, a downstream Thunderbolt 3 port for daisy-chaining, plus 85W Power Delivery. Great for Ultra HD tasks, the dual-4K docking station supports 4K resolution on two monitors: 1x DisplayPort and 1x Thunderbolt 3 USB-C display (4096 x 2160p @60Hz) (USB-C to DP cable or USB-C video adapter may be required). Connect to a single 5K monitor at 60Hz. The Thunderbolt 3 dock\'s built-in PCIe M.2 SSD enclosure supports transfer speeds up to 1500MB/s with the addition of a PCIe M.2 SSD for ultra-fast data access, enhanced storage, and application buffering and caching. Transfer photos or videos from your SD cards to your Thunderbolt 3 laptop. The dock\'s SD slot supports SD 4.0 and UHS-II with transfer speeds up to 270MB/s. Connect peripherals with three USB ports - one USB-C port (10G) with up to 3A charging and two USB-A ports (5G) with Fast-Charge and Sync. The GbE port (with PXE Boot and WoL support) provides reliable wired network access. Using a single cable, the Thunderbolt 3 dock provides up to 85W of Power Delivery charging.