USB 3.0 | KC's Blog https://www.kjctech.net Tue, 24 Jan 2023 18:20:59 +0000 en-US hourly 1 https://i0.wp.com/www.kjctech.net/wp-content/uploads/2016/12/cropped-KC-Logo.png?fit=32%2C32&ssl=1 USB 3.0 | KC's Blog https://www.kjctech.net 32 32 24634607 Why My Drobo 5C DAS Storage is So Slow? https://www.kjctech.net/why-my-drobo-5c-das-storage-is-so-slow/?utm_source=rss&utm_medium=rss&utm_campaign=why-my-drobo-5c-das-storage-is-so-slow https://www.kjctech.net/why-my-drobo-5c-das-storage-is-so-slow/#comments Tue, 12 Sep 2017 00:19:17 +0000 https://www.kjctech.net/?p=3660 Drobo 5C comes with a state-of-art USB Type-C interface that is compatible with both USB 3.0 and USB 2.0.  So the data transfer speed should be pretty fast when connected to my computer via a USB 3.0 port. But it’s crawling like USB 2.0 when I connected it using the USB Type-C to USB 3.0 A cable that comes with […]

The post Why My Drobo 5C DAS Storage is So Slow? first appeared on KC's Blog.]]> Drobo 5C comes with a state-of-art USB Type-C interface that is compatible with both USB 3.0 and USB 2.0.  So the data transfer speed should be pretty fast when connected to my computer via a USB 3.0 port. But it’s crawling like USB 2.0 when I connected it using the USB Type-C to USB 3.0 A cable that comes with the box and ran a quick test.

Drobo on USB 2

And I use a tool called USB Device Tree Viewer to check out, it’s indeed connected as a USB 2.0 device.

So WTF? There is no way I can use a 10TB external storage with a USB 2.0 connector in a real life. I don’t believe the brand like Drobo will design such a bad product like this. There must be something wrong in the middle.

Turns out, it’s the USB-Type C cable that’s causing the problem. Just because it’s a USB-Type C cable that is designed to be plugged in regardless of the side doesn’t mean that it works the same way. Yes, sounds ridiculous but when I flipped the cable around and plugged it in, the Drobo box is suddenly connected as a USB 3.0 device.

USB Device Tree Viewer 3.0

And it transfers just like a USB 3.0 device as well. Believe it or not, that’s probably one of many reasons why Microsoft hates USB-C.

Drobo 5c on USB 3

That looks much satisfying.

As another side note, I also ordered a USB Type-C to USB Type-C cable and was hoping to use it to connect the Drobo box through a native USB Type-C connection. But I didn’t pay attention to the product description and ordered one that is only for USB 2.0. Therefore, no matter which side I use to connect, it’s always connected as USB 2.0. Hope you just don’t make the same mistake I made.

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