StarTech.com 4-Port USB Hub - USB 3.0 5Gbps, Bus Powered, USB-A to 4x USB-A Hub w/ Optional Auxiliary Power Input - Portable Desktop/Laptop USB Hub, 1ft/30cm Cable, USB Expansion Hub

4 PORT USB HUB: Bus-powered USB 3.2 Gen 1 (5Gbps) expansion hub features a USB-A host connector and 4x USB-A ports, Overcurrent Protection (OCP) & Wake on USB - 4.5W of bus power dynamically shared between 4 downstream ports, with max 4.5W per port. AUXILIARY POWER INPUT: The USB hub features a Micro USB power input (cable sold separately) to add 4.5W (5V/0.9A) of power to the hub for applications where additional power may be required, such as connecting high power USB devices like SSD drives. COMPATIBILITY: OS independent - Supports all operating systems, including Windows, macOS, Linux, ChromeOS, Android - Compatible with USB Type-A host devices such as Lenovo X1 Carbon, Dell XPS, Microsoft Surface - Works w/USB 2.0 devices. EXTRA LONG CABLE: Bus-powered USB dongle with compact housing, ideal for travel - Attached extra-long 1ft. (30cm) host cable for easy setup and to reduce connector strain on 2-in-1 devices, such as Surface Pro 7 and laptops on riser stands. APPLICATIONS: Add 4x