Deal from Amazon. This hub comes with 4 USB 3.0 ports, and supports thunderbolt 3.
From Amazon:
This USB-C hub, adds four USB 3.1 Type A female ports, it is designed for connecting your USB-C PCs to multiple USB Type A peripheral device such as flash drives, hard drives, wired keyboards, wired mouses, printers and more. Indispensable companion for your USB-C laptop expansion and support multitasking.
▶USB 3.1 Type A ports: Support a super fast data transmitting rate up to 10Gbps, which transfers the large files or stream 1080p movies in seconds. Backwards compatible with USB 3.0/ 2.0/ 1.1. USB 3.1 Type A ports support data transferring and USB-A device charging. Special designed for copper foil inside the product which can prevent the signal interference effectively.
▶Practical and High compatibility: Work well with iMac 2017, MacBook Pro 2017 & 2016, MacBook 2016 & 2015, New Chromebook Pixel, Surface Book 2, Yoga 920 an other USB-C or Thunderbolt 3 laptop/PC. Compatible with Windows 10 and MacOS 10.11, MacOS 10.12, MacOS 10.13 and Chrome OS etc.
▶NOTE: We suggest you to connect one USB-A portable hard-drive at a time. Max 900mA per port (only one port is connected), when two or more ports are connected at the same time, the total max output depends on the host PC (Such as, Max 900mA on Chromebook, 1.5A on MacBook). For enjoying the maximum 10Gbps data rate, please make sure that your host PC USB-C is Gen 2.
▶This product is backed with 24 months product warranty as well as friendly lifetime technical support. No power required, plug and play, easy to carry and use, convenient for storage in your laptop bag when traveling. We hope you will enjoy the product.