Can you slave a usb3 drive?

I have a 128 6g/s ssd c:/ drive. I also have another spare 128 6g/s drive. I know that I can slave them together to make one 256 c:/ drive. The problem I have is I only have one 6d/s motherboard port. What is the best way to slave these drives together?

The motherboard also has a usb3 port. Can I use the spare ssd drive connected to the usb3 pot to slave that drive to the editor c:/ drive?

Also what is the best/cheapest way to slave these drives without erasing the data?

I hope this question is clear enough, if not please let me know.

John koppAsked:
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dbruntonQuid, Me Anxius Sum?  Illegitimi non carborundum.Commented:
>>  I know that I can slave them together to make one 256 c:/ drive.

Not quite sure what you mean here.  You can RAID (not slave) drives to make one bigger drive.  I don't know if that is what you mean.  But you need two ports on the motherboard to do what you want.

Don't understand what you mean by 6d/s port?  What brand motherboard is this?  And what you intend will probably need removing all of your data and reinstalling.
John koppAuthor Commented:
Perhaps I used incorrect terms to explain my problem. By slave I should have used extend or merge to make two 128gps hard drives into one 256gps drive.

As far as a 6dps hard drive motherboard port I should have called it a sata III interface. 6ds was a typo should have been 6G/s

( SATA III (revision 3.x) interface, formally known as SATA 6Gb/s, is a third generation SATA interface running at 6.0Gb/s. The bandwidth throughput, which is supported by the interface, is up to 600MB/s. This interface is backwards compatible with SATA 3.0G/s interface)

I hope this clears this up

John :-)
dbruntonQuid, Me Anxius Sum?  Illegitimi non carborundum.Commented:
If you've only got 1 SATA port and two SSD drives then slaving, as you call it, to make a bigger drive won't work.

What you can do is use Symbolic Links.  (I'm presuming you are using Windows 10).  This isn't pretty but might do the job for you.  You do something like map a folder in C: to a folder in D:

Let's call the folder C:\Extra and all of your files in D: are in D:\MyData  (This would be the external USB drive).

Then the command  mklink  /J  "C:\Extra"  "D:\MyData"  would do the mapping for you.

Have a careful read of this  for more information.

Be cautious and experiment carefully before rushing into it.
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John koppAuthor Commented:
Can a SATA III 6Gps interface drive be extended / merged with a SATA I or SATA II drive? Does that mean that the whole new single drive revert to the slower SATA I or Ii standard?
may i ask why you want to make a single drive of it?  if you need more space, just install the 2nd drive on any Sata port, and put all your data, music and pictures on that drive - you can redirect these for doing so.

i guess nobody tried what you ask, but if you still want to make one drive of both,  i would simply connect both to the slower 3 GB/s sata II ports; then make a dynamic disk of both
why .? it's unlikely you'll meet the sataII speed with your drives transfer speed
noxchoGlobal Support CoordinatorCommented:
You should ask yourself following questions:
1) Do I have a free SATA port on my motherboard to connect another SSD drive?
2) Do I want to have it as a single drive in Windows or is two-drive setup ok for me?

If yes answer to question 1 - yes. And you have onboard RAID controller - then you can use RAID0 setup to combine these drives into one. But, for SSD drive it is not recommended because the TRIM will not work in this case. As a result your SSD drives will wear out faster.
You can convert the two drive into Dynamic in Windows Disk Management and then extend SSD1 to SSD2. Thus using the space of SSD2 as extension of C: drive. An awkward setup but it will do exactly what you want. The question still remains - do you really want it? Because if one of these drives have problems then the entire configuration will corrupt.

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andyalderSaggar maker's framemakerCommented:
Can't span (extend onto a second disk) or stripe the boot/system drive using software, that's fundamental to all operating systems since the code needed to deal with the second disk may get relocated onto that second disk in which case that code has to be loaded before it can be loaded.
noxchoGlobal Support CoordinatorCommented:
John, any comment?
andyalderSaggar maker's framemakerCommented:
Pretty obvious that they want to concatenate or stripe them together with software from the question, they refer to it as the "C" drive rather than the boot device but it is obviously the boot device they are asking about since they don't list any another device they intend to boot from.

Catch 22.

And of course a SATA III disk/ssd *can* be combined with a SATA I or II device in software, but it can't be booted from as the software isn't loaded yet, Catch 22 again. No offense intended, we all
dbruntonQuid, Me Anxius Sum?  Illegitimi non carborundum.Commented:
The comments given by the respondents discuss the question asked and the general consensus is "No" and reasons given as to why "No".
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