Overclock.net › Forums › Components › Hard Drives & Storage › RAID Controllers and Software › Is it possible to set up a RAID0 array between a SATA2 drive and a SATA3 drive?
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Is it possible to set up a RAID0 array between a SATA2 drive and a SATA3 drive?

post #1 of 7
Thread Starter 
Hey guys! I'm looking on upgrading my HDD (WD Caviar Green 2TB SATA2) but since I recently bought it, I don't really feel like just buying another hard drive that would replace it. Since probably no one would be interested in buying a used SATA2 drive at a price that wouldn't cause too much of a deficit for me, I considered going with a RAID0 array. As I was looking through the prices for the 2tb drives, I saw that I could get a SATA3 drive for cheaper than a SATA2.

So here's my question: would it be possible to set up a RAID0 array between a SATA2 and a SATA3 drive? Both would be on the same controller (Intel).

P.S. I'm using a GIGABYTE GA-Z68XP-UD3P motherboard.

Thanks!
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post #2 of 7
Pretty sure you can, but you will be limited to the speed of the SATA 2 drive. Not that you will be saturating that with a 2 disk mechanical array anyway.
    
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post #3 of 7
yes, you can mix and match most hdds into an array, but depending on the drives you will be limited to your weaker ones.

a 5900 rpm wont be able to match the speeds of a 7200 in a raid 0 or 10

and a 500gb drive and a 750gb drive will not be able to properly match each others storage so there will be loss of space, this applys to raid 1 etc as well


it is usually easiest on the user to get identical drives, or at least same size/rpm for an array, but it is possible to mix and match.

edit: and as _02 said, dont think there is a hdd around that will saturate the 300mbs limit on a sata 2 port anyways.
    
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post #4 of 7
SATA 6 Gbps gains nothing for a mechanical drive, it would be fine.
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post #5 of 7
Thread Starter 
Quote:
Originally Posted by _02 View Post

Pretty sure you can, but you will be limited to the speed of the SATA 2 drive. Not that you will be saturating that with a 2 disk mechanical array anyway.
Quote:
Originally Posted by microfister View Post

yes, you can mix and match most hdds into an array, but depending on the drives you will be limited to your weaker ones.
a 5900 rpm wont be able to match the speeds of a 7200 in a raid 0 or 10
and a 500gb drive and a 750gb drive will not be able to properly match each others storage so there will be loss of space, this applys to raid 1 etc as well
it is usually easiest on the user to get identical drives, or at least same size/rpm for an array, but it is possible to mix and match.

I'm planning on buying the same drive I already have, but on the SATA3 interface instead. Now, correct me if I'm wrong, but doesn't RAID0 "add" the speeds of the two drives? Because the only problem I have with my drive is it's write speeds that aren't fast enough to record in 720p with Dxtory.
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post #6 of 7
Quote:
Originally Posted by rockcoeur View Post

I'm planning on buying the same drive I already have, but on the SATA3 interface instead. Now, correct me if I'm wrong, but doesn't RAID0 "add" the speeds of the two drives? Because the only problem I have with my drive is it's write speeds that aren't fast enough to record in 720p with Dxtory.

yes, raid 0 turns 2 or more drives into a single mass drive, no redundancies just mirroring, you may not see double speeds, you could only get 1.6 to 1.7x the speed of a single drive, depends on the drives and the controller your using. and again the sata III and sata II difference really shouldnt change anything, its when you have multiple size drives when you get problems.
    
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post #7 of 7
Thread Starter 
Alright, thanks! +rep to you guys (except _02, cause, it's kinda impossible! wink.gif)!
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