37

My computer only has one USB-C port and I want to connect multiple USB-C devices to it.

I have trawled through amazon but am amazed that I cannot find a single one. There are many hubs that have USB 3.1 USB-A ports but not USB-C ones.

Is there a limitation in the spec that prevents this being possible?

  • Go to shopping.google.com and search on "USB 3.1 Gen2" USB-C hub – K7AAY Dec 5 '18 at 23:11
  • The cable you've linked won't let me plug two USB-C thumbdrives or anything with a built in USB-C cable. I've done your google search also but nothing comes up (I think google reverted to shopping UK though, so perhaps not available in England?). Is it really supply/demand or is there a technical reason? I thinkI read that USB C is limited to 2 metres of cable length... – NibblyPig Dec 6 '18 at 10:02
  • That’s even easier: amazon.com/Electop-USB-3-0-Type-Converter/dp/B07B47V967 There’s tons of adapters available if you only need support for USB data (and not, say, DisplayPort or Thunderbolt). – Daniel B Dec 6 '18 at 12:22
  • 2
    It seems to defeat the point of USB-C peripherals if they all need to be used with an adapter (my pc only has one usb-c port, and it's located on the rear of the box which is a real pain), still my original question stands - why! It's like saying I'd like to use two usb 2 drives and being told to use a serial port converter or something to use an unintended socket... – NibblyPig Dec 6 '18 at 16:05
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The chips needed to produce one-to-many USB-C hubs essentially do not currently exist.

Some of the same complaints are outlined here:

https://mjtsai.com/blog/2017/10/14/the-impossible-dream-of-usb-c/

None of these USB-C “hubs” actually give you more USB-C ports.

There is supposedly news for 2019/2020 that suggests hub chips may be coming soon:

Update (2018-07-30): Accidental Tech Podcast reports on a rumor that next year Intel will finally ship the chip that’s needed for making a USB-C that adds additional type-C ports.

http://atp.fm/episodes/284

We've heard from an anonymous person that Intel is finally releasing a hub chip for USB-C next year. We may not see products based on it until 2020.

2

My search pulled up these, altho I haven't pulled the trigger:

  • 1
    These are all $300+ "docks", not simple USB-C hubs. And even then they only give you a single extra USB-C port. – pkamb Jul 25 at 17:40
  • I found this $50 guy aliexpress.com/item/32845466699.html (there are several similar items with just different labels). It is not actually split, you got 2 USB-C: one for power delivery, one for data. So this dock consumes one USB-C and provide one USB-C, plus some USB 3. – orcy Sep 3 at 4:04
1

One of the only shipping one-to-many USB-C hubs I've seen is in the LG UltraFine 5K Display, introduced by Apple alongside their USB-C / Thunderbolt 3 MacBook Pro in 2016.

A single Thunderbolt 3 cable (included) provides up to 85W of charging power to your MacBook Pro with Thunderbolt 3 (USB-C) ports. And three downstream USB-C ports (5 Gbps) offer additional connectivity and power to compatible devices and accessories.

It would be interesting to see if this part could be harvested from a damaged display and used independently.

four USB-C ports, one cable to the Mac

  • This is actually a Thunderbolt to USB-C hub. These are quite common. – Jason Jul 25 at 17:45
  • @Jason quite common? Please post any other Thunderbolt to USB-C hub that adds more than 1 extra port :) – pkamb Jul 25 at 18:28
  • 3
    The Elgato "Pro" dock has 3 (one with TB). The Dell WD19TB has 3 (one with TB, one with DP). – Jason Jul 25 at 19:24
  • @Jason those both seem to be recent 2019 products. Glad to see there are finally options. – pkamb Jul 25 at 19:44
  • 1
    Regardless if it's common or not, the fact it's over Thunderbolt protocol and not USB protocol makes it an invalid solution to OP's problem. – udlp Jul 31 at 17:35
1

I found the following product "USB C Hub, Wakio 12-in-1" on amazon that add two additional USB-C ports. However, both ports are USB C 2.0 and not 3.0; so, the speed will be magnitudes slower.

Product showing two USB C ports in addition to the third USB C for the main power source.

  • Is that even valid in the USB spec, giving USB2.0 speeds only, on USB-C connectors? – nyov Aug 31 at 3:20
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    Yes, it seems it's valid(up to spec) for a USB Type C connector to only support USB 2.1 speeds. As per Wikipedia "A device with a Type-C connector does not necessarily implement USB 3.1, USB Power Delivery, or any Alternate Mode: the Type-C connector is common to several technologies while mandating only a few of them" . I did get excited when I saw the product but was disappointed as I saw the specs. – Fari A Aug 31 at 6:04
  • USB 2.1 doesn’t exist. – Ramhound Sep 3 at 3:02
  • Sorry, yea, that was a typo – Fari A Sep 4 at 4:36
1

Here are some. I'll update this list as I find more.

Please feel free to add to this list. I'll only add products that offer something different, better, or cheaper than other products listed here, so as not to create a list of garbage.

  • That link only has a single USB-C port for PD (not data), it's not a hub for USB-C – NibblyPig Oct 23 at 14:58
  • Yeah, I posted the wrong link. :/ It's fixed now. – zylstra Oct 23 at 15:03
  • How strange that the two USB-C ports are USB 2.0 ! – NibblyPig Oct 23 at 15:08
  • Baby steps... baby steps. ;) – zylstra Oct 23 at 15:22

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