Are all USB 3.0 hubs made the same?

Subject: General Tech | January 4, 2012 - 03:54 PM |
Tagged: input, usb 3.0, usb hub, Rosewill RHB-610, SYBA SY-HUB20090

With USB 3.0 finally becoming commonplace on motherboards and mobile devices as well as peripherals, it was inevitable for USB 3.0 hubs to start to arrive on the market.  That raises two immediate questions; is it as fast as a plug located on a motherboard and is there a difference in performance between manufacturers.  RealWorldLabs looks to answer those questions by using two 4-port hubs, Rosewill's RHB-610 and SYBA's SY-HUB20090 along with a Gigabyte G1 Assassin motherboard.  It seems that with one device connected via the hub, the performance is about 90% of the direct connection to the motherboard which seems a small price to pay to not have to crawl behind your PC to swap USB 3.0 devices, unfortunately the short cables on these hubs still will have you bending over a bit to deal with them.

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"If you're looking to buy a USB 3.0 compatible hub and you're worried about performance and quality issues then this comparison between two of the most famous 4-port USB 3.0 hubs currently in the market should easily answer some if not all your questions."

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January 4, 2012 | 04:19 PM - Posted by Stuart Halliday (not verified)

Unfortunately they didn't do all the testing.

It's not all about speed, it is the ability to power the devices plugged into it as well. We all use USB for powering our gadgets these days as well.

I was surprised they didn't inform the reader the current (Ampere) capability of the supplied power supply.

All too often USB hub manufacturers try to skimp on cost by only supplying a power supply capable of fully powering 3 of the 4 USB ports. Typically 1.8A instead of the full 2.1A

How many times have we seen 7 port USB2 hubs supplied with a 2A power supply as used for 4 port hubs when it needs to be 3.5A to be 100% USB 2 compliant. Too many times I say.

USB 3 increases the maximum current each port can supply from 0.5A to 0.9A so a 4 port USB3 hub needs to be rated at 2.8A (+100mA for the hub itself) minimum.

A 7port USB 3 hub needs to be 6.4A.
Yet I've not seen a 7 port USB 3 hub with this correct USB 3 compliance.

Some companies are saving money at our cost me thinks.

January 4, 2012 | 05:17 PM - Posted by Jeremy Hellstrom

That is a fair point, as I've certainly seen issues with USB 2.0 hubs similar to that. On the other hand I've also run into hubs which will limit speed based on the number of ports regardless of whether there is something plugged in to it or not. At least with this article we know there is limited cost to using it as a USB plug extender.

Thanks for the input

February 7, 2014 | 09:34 AM - Posted by Jessie Kilgore (not verified)

Thank you so much for your clear explanation. I was having a very difficult time trying to compare all the different 3.0 hubs. I was ready to just buy the most expensive one and hope for the best. With your help, I got a better one for half the price I was ready to spend!

January 5, 2012 | 09:26 PM - Posted by Enliveexittee (not verified)

Do not quite understand what is at stake.

May 5, 2013 | 02:43 AM - Posted by Leonard Ratliff (not verified)

"Do not quite understand what is at stake."

Well, then you obviously have no business reading tech articles much less commenting on them.

January 28, 2014 | 01:07 AM - Posted by Yogia (not verified)

I think so, the electronic stuff are all scheduled to be produced by the supplier. I have a Hootoo 7 port and an Anker USB port. They performs pretty much the same.

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