Expand the connectivity of your Thunderbolt™ 3/USB-C™ port enabled laptop. Compatible with Mac and Windows, this universal USB-C multiport adapter lets you turn your laptop into a powerful workstation, anywhere you go. The USB-C adapter provides a 4K Ultra HD HDMI® video output, an ultra high-speed SD™ 4.0 card reader (with UHS-II support), a USB 3.0 Type-A port and one Gigabit Ethernet port, through your laptop''s USB-C port.The adapter provides up to 100W charging power with USB Power Delivery 2.0, so you can power the adapter and your laptop at the same time using a USB Type-C™ power adapter.Connect a 4K Ultra HD monitorThe USB-C multiport adapter offers a 4K Ultra HD HDMI port (with audio), so you can easily connect a high-resolution monitor (4096 x 2160p @ 24Hz or 3840 x 2160p @ 30Hz).Fast SD card accessThe USB-C multiport adapter features a memory card slot, providing fast read and write access for SD and microSD™ (with adapter) memory cards through USB 3.0. The card reader offers SD 4.0 and UHS-II support, allowing high-speed file transfers at up to 312MB/s. It''s ideal for transferring photos or videos from your SD cards to your USB-C enabled laptop or tablet.The ports you need mostThe Gigabit Ethernet port on the multiport adapter ensures reliable wired network access. Plus, an additional USB 3.0 port (USB Type-A) lets you connect a peripheral device like your mouse or flash drive.The DKT3CHSD4GPD is backed by a StarTech.com 3-year warranty and free lifetime technical support.