La Cie Rugged USB-C 5TB - how fast should we expect?

After struggling to find a working cable (USB-C to USB-C) that would finally sit both in the drive and my Mac mini 2018 (thanks La Cie/Seagate for poor cable manufacturing), I am finally able to use the drive purchased from Apple.


No where specs for that drive are being outlined in regards to speed transfer but ''fast transfer''.


Just plugged it to test how long to transfer 37 GB from the internal drive of the mini. After two minutes it had transferred 2.32 GB - then 3.90GB after 5 minutes... time remaining keep moving between 18 minutes to 44 minutes... to 2 hours - to .... (basically everytime it land on a differnet folder I guess) - Nevertheless, the system tells we are transferring 37.58 GB !!...


It is supposed to be using USB-C speed... I have much older external drives that are USB 2 which are at least as fast as this, if not faster...


Is this just marketing scam to say it connect USB-C (meaning here ''we use a USB-C cable'') but in reality it probably transfer at perhaps USB 1 speed or lesser ? (I aim to use this to transfer 3 external drives which I do not want to carry abroad, but geeeez... - how am I gonna work audio stuff with that ?


Anyone experienced with such a drive ? (I could have purchased a portable 5TB drive for half that price that would have been ''USB 2'' - or am I wrong ?)

Mac mini 2018 or later

Posted on Oct 24, 2020 7:49 AM

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8 replies

Oct 24, 2020 9:10 AM in response to lanstrad1

USB-C refers to the connector only, not speed. Your drive is USB 3 which in theory is 5 Gb/s = 625 MB/s. However, no matter what the transfer speed, you are limited by the drive’s read and write speeds which in your case is 130 MB/s https://www.lacie.com/support/mobile-storage/rugged-usbc/#specs


Since USB 2 is rated 480 Mb/s = 60 MB/s, a USB 2 drive would be slower.


Actual transfers are lower and depend on number of files, file size and type of files which in the case of audio is many, many, small files = more overhead and housekeeping during transfers.


Short summary: wait it out.

Oct 24, 2020 8:49 AM in response to lanstrad1

Glad to hear that you solved the connection problem.


I agree, the https://www.lacie.com/support/mobile-storage/rugged-usbc/ should get somewhere around 100+ MB/s.


What are you going to use this additional drive for?


Personally if I was looking for a better more reliable drive for critical work, then I would return the LaCie and go with one of the OWC drives. https://eshop.macsales.com/search/?filter.catidpath=4353&filter.dimension_type_135=Pre-Built%20Solution


For examples,

the https://eshop.macsales.com/item/OWC/ME3NH7T04/

or the https://eshop.macsales.com/item/OWC/ME6CM5T04/

Oct 24, 2020 5:56 PM in response to den.thed

Well I might not really need it to work directly - whether it be for DAW work or video indeed. As long at this is reliable (and I do use backup online too), I just try to avoid carrying with me 3 external (physically bigger) drives for backup - traveling long stretches abroad. When I double think it, when I have active projects, these are on my internal (Mac) SSD (2TB), and project is then saved (backed) on one of these drives. Speed would matter if I intended to work directly on these drives. (I may do it once in a while, but probably not video. Audio could be OK I guess...)


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La Cie Rugged USB-C 5TB - how fast should we expect?

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