Unfortunately, the Huawei MateBook X Pro only supports one external monitor. Like many earlier Thunderbolt 3 implementations, it is only 20Gbps.
Thunderbolt 3 (whether 40/20/10Gbps) must share that bandwidth with all the devices it connects to.
For example, the 2x USB-A and 1 x USB-C are 3.1 Gen 1 and deliver a maximum of 5Gbps and 5V/2.4A each – enough for most USB peripherals and iPhones. So 15Gbps (of the 40Gbps) is allocated to these
We attached a Samsung T5 SSD (SATA 6) via the USB-C port, and it reached 400MBps (maximum theoretical rate 450Mbps). Changing it to the USB-A port also achieved the same rate – excellent.
We attached a Samsung X3 external Thunderbolt SSD, and it achieved 2,700MBps sequential read. When directly connected, it was 3000MBps. The total theoretical speed is 5000MBps, and the dock was driving two screens so its allocating 5Gbps (from the 40).
Summary: No speed significant degradation in connecting USB or Thunderbolt 3 devices to the dock.
GadgetGuy’s take – ATEN UH7230 is terrific value and does it all
Having tested so many Thunderbolt and USB-C docks this it is the equal or better of all tested. And it supports USB-C 3.1 Gen 2 ports.
At $359 it is keenly priced.
But one of the significant advantages is that it frees up your laptop power adaptor and makes it easy to pack and run! It is also terrific for hot-desking laptops with USB-C 3.1 gen 1 or Thunderbolt 3.
Who buys it?
- Anyone with a Mac or PC, Thunderbolt 3 laptop – mandatory
- If you want dual external monitors
- Hot-desk and work share spaces – simple one cable connect