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-   -   Thunderbolt vs USB3 Large File Transfer Speeds (http://www.hardwarecanucks.com/forum/storage/57775-thunderbolt-vs-usb3-large-file-transfer-speeds.html)

Generic User #2 November 8, 2012 10:19 PM

Thunderbolt vs USB3 Large File Transfer Speeds
I seem to have trouble finding TB vs USB3 comparisons for my usecase.

Using a 1TB Seagate Backup Plus, would TB outperform USB3 for transferring movies?

all the TB tests i've seen involve raid boxes, which i firmly believe outperforms a single backup plus drive. thoughts?

AkG November 8, 2012 10:39 PM

IIRC that Segate unit uses a single 2.5" hdd that will max out loooong before saturating either interface. So I would say the real world difference would be so close to zero that it would not matter. As long as your computer can handle the overhead AND push data fast enough either USB 3 or ThunderBolt will be more than 'good enough'.

altereDad November 8, 2012 11:08 PM

Some manufacturers are throwing it on for the novelty and ability to increase the price. USB 3 is far cheaper and will run just as well. The drive's rate would more than likely be lower than both.

Generic User #2 November 8, 2012 11:57 PM

alright, thanks. now i know there's no reason to avoid seagate expansion drives because they only support USB3.

francisw19 November 9, 2012 08:32 AM

I've been using USB 3.0 to backup my system to a RAID1 box, so the speeds when writing should be comparable to a single drive. With that, I usually get 80-90 MB/s while writing - which is in the right ball park for the WD Greens I have in there. So, I would say in most cases between USB 3.0, TB, and even eSATA for that matter, the drive will be what limits the performance.

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