Checking Out Dodocool DC30S USB type C Hub with USB 3.0 Ports, Power Delivery, HDMI Output, and Card Reader

I reviewed Vorke Z3 Android mini PC last month, the first mini PC I’ve received with a USB type C port capable of handling video output too. I could see support for dual HDMI displays in the firmware, but at the time I did not have a USB type C hub with HDMI output. But Dodocool sent me their DC30C USB type C hub so I’ve finally been able to give a try.

Dodocool DC30S Specifications

  • USB Input – 13 cm USB 3.1 Type-C cable
  • USB Outputs – 3x USB 3.0 type A ports up to 5 Gbps; 1x USB 3.1 Type-C PD charging port
  • Video Output – HDMI port
  • Storage – SD & Micro SD card reader

Dodocool DC30S Unboxing

First the package which gives basic info about the USB hub.

The device comes with a warranty registration card, and a multi-language user manual.

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One side comes with the SD and micro SD card slots with LED indicator, and two USB 3.0 ports…

… while the other side includes a USB Type C female charging port, HDMI output, and another USB 3.0 port.

Using Vorke Z3 USB Type C port with Dodocool DC30S USB Hub

I found a two USB flash drives, and a SD card that I connected to the USB hub, as well as an HDMI cable connect to a Full HD TV, and my phone’s charger.

I connected the USB Hub to Vorke Z3 mini PC, and extra cables to another 4K TV, and Ethernet switch, as well as a dongle for my air mouse.

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At first I did not connect the USB type C charger, and the storage devices would not show, and while my Full HD TV would detect something was connected via HDMI, it would show “No Signal”. I tried to connect the HDMI cable from the USB hub to the 4K TV, and I had the same problem.  So I connected the USB power supply, and I could see the power draw from Vorke Z3 drop by about 2 Watts, but I would still not be able to use anything connected to the USB hub. Later I tried to disconnect and reconnect the USB hub, and magically everything worked (almost) as expected. It looks like disconnecting the USB type C port supply and reconnecting it may have an effect too.

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We have the 4K TV on the left connected directly via Vorke Z3’s HDMI port, and the Full HD TV on the right connected via the USB type C port through DC30S’s HDMI port.  The option “Display different content for double screen” did not work for me, so I could just use it to mirror the display, but that’s related to Vorke Z3’s firmware, not Dodocool’s USB hub.

HDMI1 is the output for the USB type C port, and I set it to 1920×1080 @ 60 Hz. That’s the maximum resolution via Vorke Z3’s USB type C port according to GeekBuying.

Storage also worked fine, but all USB flash drive were boot drives, and not recognized the TV box, I had another random USB flash drive, and I could mount and navigate LIBREELEC partition, as well as copy files to it.

A final test was to connect my USB 3.0 drive, and first I would get no storage shown at all. I disconnected the power supply, and suddenly it was detected, and got mounted, but there seemed to be power issues with the HDMI port of the USB type C shown on and off in my TV. I reconnected the USB power adapter, and got everything to work again. I ran A1SD bench to check whether I could still get the same 90 MB/s read/write speeds I got when the hardware was directly connected to the USB 3.0 port of the mini PC, and that was the case. I don’t have hardware to test the 5 Gbps bandwidth.

I’d like to thank Dodocool for sending a review sample, and if you are interested, you can purchase DC30S USB type C Hub on Amazon US for $26.99. You may also want to check the product page.

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