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SSD/USB compatibility

gort
By gort
in Storage Devices
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Posted

I'm about to make my SSD external with one of those enclosures

 

https://www.transcend-info.com/Products/No-737

http://www.adata.com/en/feature/537

 

both are USB 3.1, the question is if there's gonna be any power/voltage incompatibility when connecting to PC with USB 2.0/1.1 ?

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AFAIK no. not for an SSD. larger HDDs may need more voltage/amps, but an SSD will be fine.

 

USB 1.1 may be problematic though (not tried it but IIRC my mircocontrollers are usb 2.0 through auto downgrade to 1.0 which usb 3.0 does not support), but 2.0 will be fine, as you are going from 3.0 down to 2.0 which is supported.

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2.0 will be fine. I'm not sure about 1.1 but I gotta ask, what kind of a machine are you connecting to that only has 1.1? Plus transfer speeds would be abysmal on 1.1

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Posted
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1 hour ago, DocSwag said:

2.0 will be fine. I'm not sure about 1.1 but I gotta ask, what kind of a machine are you connecting to that only has 1.1? Plus transfer speeds would be abysmal on 1.1

 

LGA775 based computer

 

mobo has both 2.0 and 1.1 USB

https://www.gigabyte.com/Motherboard/GA-G33M-S2-rev-1x#sp

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guess I might just add USB 3.0 or 3.1 to the system with a PCI-E x4 card, how about that ? that board has PCI-E version 1.1 afaik

 

PCI 1.0/1.1 x4 = 1 GB/s

USB 3.0 = 0.625 GB/s

USB 3.1 Gen 2 = 1.25 GB/s

 

btw internal system SSD drive on that system is actually bottlenecked by SATA II interface, maybe I can connect it with USB instead...

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