Good size to carry in your computer bag. I tested all the ports, all work. Good gadget at a good price.
· Expand by connecting up to 4 USB 3.0, 2.0, or 1.1 devices to any USB 3.0 or 2.0 capable computer
· Compatible with all Windows/Mac/Linux systems.
· Supports USB 3.0 transfer rates up to 5Gbps. Backwards compatible with all USB 2.0/1.1 devices and hosts
If reviewing a product, it may have been received free of charge. That will NEVER have a bearing on my recommendations.