i-tec U3GL3SLIM USB-A hub with Gigabit Ethernet review

A straightforward way to add Ethernet to a USB-A computer

The i-tec U3GL3SLIM combines two common needs in a small accessory: more USB-A sockets and a wired network connection. Its integrated USB-A cable connects to the computer, leaving three USB-A data ports and one RJ-45 Ethernet socket available. It is a practical layout for a notebook that still has USB-A but lacks Ethernet, especially when a network cable, mouse and removable drive would otherwise compete for the same small collection of ports.

The important distinction is that this is a data and networking hub. It has no display output, memory-card reader or USB-C laptop-charging function. If your goal is to connect a monitor and charge the computer through one cable, the U3GL3SLIM does not replace a video dock.

Three fast accessory ports share the computer connection

The current manufacturer datasheet rates all three downstream USB-A ports at USB 3.2 Gen 1, or 5 Gbps. The original quick-start guide describes the same interface as USB 3.0. Those names describe the same advertised speed class here; they do not indicate three separate 5 Gbps connections back to the computer.

Ethernet and USB devices share the upstream link. A large file transfer to an external drive can therefore share resources with a busy wired network. The advertised rates identify interface capabilities rather than a measured combined workload. For ordinary peripherals this arrangement is convenient; for sustained transfers across several demanding devices, plan the upstream connection and power requirements rather than simply counting sockets.

Ethernet drivers deserve attention before purchase

The network controller is identified as an ASIX AX88179, with support for 10, 100 and 1000 Mbps Ethernet links. Your router or switch, cable and network connection still determine the link and internet speed you actually obtain. Adding a Gigabit socket cannot make a slower internet service run at Gigabit speed.

Installation guidance differs between the current datasheet and the older quick-start instructions. The dated datasheet names Windows 10 and 11 and describes automatic Windows 10 OS-driver installation; it says other systems use manual installation. The English quick-start guide tells Windows and Mac users to install an Ethernet driver before connecting the device. We therefore do not treat the hub as a universal no-driver networking recommendation.

The older guide also explicitly excludes macOS 11.0–11.2. Its general Mac compatibility wording does not establish support for every later Apple chip. On a managed office computer, confirm that the necessary Ethernet driver can be installed and that the manufacturer supports your particular OS version. USB accessories and Ethernet may have different installation requirements: the guide says the USB ports are automatically detected, while separately addressing the network driver.

Portable power and an attached cable

The hub takes power from the computer and does not require a separate external supply for its normal documented operation. Its package lists the hub with an integrated 16 cm cable and a quick installation guide. The current datasheet gives the product weight as 50 g, distinct from the heavier packaged weight.

An attached short cable keeps the accessory compact but restricts where it can sit. Check that the hub can rest on the desk beside the laptop instead of hanging from a side port. A detachable cable would be easier to replace or lengthen, but that is not the arrangement supplied here. The USB-A plug is also the actual included host connection; a generic compatibility list mentioning USB-C or Thunderbolt does not supply a converter.

Which setup suits it?

Choose the U3GL3SLIM when a wired network and three USB-A accessories are the actual missing pieces, and you can satisfy its OS and driver requirements. The lack of an external brick is useful for travel and temporary desks. Keep the computer's own charger and display connection separate.

Choose another hub if you need native USB-C accessories, a built-in card reader, a monitor connection or laptop charging. The manufacturer documents the core data and Ethernet functions clearly; the deciding question is whether those specific functions solve your setup without introducing a driver problem.