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scheduleX

Possible to Raid for USB 3 External Drives?

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Posted · Original PosterOP

Is it possible to set up a raid 0 configuration for 2 identical usb 3 hard drives, how is it done? I am running out of space for my seagate 1TB expansion drive and probably getting one more, and curious of setting up a raid 0 configuration for this, and if I get 2TB, is raid still possible with different sizes?

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It's probably possible because it works with 2.0 drives in osx


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Is it possible to set up a raid 0 configuration for 2 identical usb 3 hard drives, how is it done? I am running out of space for my seagate 1TB expansion drive and probably getting one more, and curious of setting up a raid 0 configuration for this, and if I get 2TB, is raid still possible with different sizes?

 

Hey scheduleX,
 
It is possible to create a RAID array from external drive (be that thumb drives, external HDDs or other drives). Any potential problem would be if the drives are recognized and assigned a different letter. 
I would recommend getting a docking station or an external enclosure for the two drives that supports RAID and use them with it. 
RAID is possible with any two or more drives. It will, though, limit the speed of all drives on the array to the one of the slowest drive and the size of all drives to the one of the smallest. For example, if you are using a 1TB 120MB/s drive, 2TB 100MB/s drive and a 4TB 160MB/s drive in RAID0, all drives will be limited to 1TB of capacity and 100MB/s in speed, giving you roughly 3TB of usable storage with about 260MB/s speed. This is why it is recommended to use identical drives in a RAID array.
 
Captain_WD.

If this helped you, like and choose it as best answer - you might help someone else with the same issue. ^_^
WDC Representative, http://www.wdc.com/ 

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