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Windows 7: Is a USB portable SSD viable?

15 May 2015   #11
strollin

W10 Pro desktop, W10 laptop, W10 laptop, W10 Pro tablet (all 64-bit)
 
 

Quote   Quote: Originally Posted by GokAy View Post
Isn't 1 usb connection enough for 5400 rpm disks and 7200 need 2? Or this information is wrong?
I remember reading that you need powered ESata, and since usually drives need 12V a usb connection doesn't cut it (being 5v).

Need correction on above though. Thanks!
It's more likely that 3.5" drives need additional power whereas 2.5" drives don't.


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15 May 2015   #12
alphanumeric

Windows 10 Education 64 bit
 
 

USB 3 ports can provide more current than a USB 2 port, thus there is only the one plug on the end of the cable that plugs into the PC. The end that plugs into the device has the equivalent of two connectors. It's distinctly different from any other USB port I've seen. It looks like a micro B USB with an extra smaller one next to it. My guess is the second smaller connector is extra power pins. I'm to lazy to look it up at the moment. Too may other things on the go at the moment.
My System SpecsSystem Spec
15 May 2015   #13
alphanumeric

Windows 10 Education 64 bit
 
 

Quote   Quote: Originally Posted by strollin View Post
Quote   Quote: Originally Posted by GokAy View Post
Isn't 1 usb connection enough for 5400 rpm disks and 7200 need 2? Or this information is wrong?
I remember reading that you need powered ESata, and since usually drives need 12V a usb connection doesn't cut it (being 5v).

Need correction on above though. Thanks!
It's more likely that 3.5" drives need additional power whereas 2.5" drives don't.
The 3.5 inch drives will need more power for sure. Bigger platter(s) and a bigger motor. The current draw to get the motor running likely factors into it.
My System SpecsSystem Spec
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15 May 2015   #14
GokAy

Windows 7 Ultimate x64 SP1
 
 

Ah cool, thanks for the correction you two.

That should be indeed what I read, drive size instead of rpm
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15 May 2015   #15
mohab

Windows 7 Professional 64 bits
 
 

Thank you for the information everybody.
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 Is a USB portable SSD viable?




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