Tom's Hardware > Forum > Storage > Hard Disks > [Solved] Can I raid a Caviar Black and a Caviar Green HDD?

[Solved] Can I raid a Caviar Black and a Caviar Green HDD?

Forum Storage : Hard Disks - [Solved] Can I raid a Caviar Black and a Caviar Green HDD?

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Best answer from spinning rust.

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rhdins   09-28-2009 at 08:42:09 PM

I have a caviar green 640gb hard drive already, the caviar black is on sale now for the same price as the green so I was thinking of getting one.

If I put those two drives in raid 0, will this cause problems? The disks have different size caches (32 mb and 16mb)

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Best answer from spinning rust
if you RAID 0 drives that are different, they will only perform as quickly as the slowest. best practices is to use drives that are of like perfromance.
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outlw6669   09-28-2009 at 08:54:22 PM

No, as long as both drives are 640Gb, it should work just fine.
Myself, I would skip on the RAID and use the WD Black as a boot drive, the green as a backup drive.

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rhdins   09-28-2009 at 09:07:01 PM

Thanks.

I actually have 2 250gb drives that I'm using for my OS. The 640gb green drive I'm using for recorded tv in media center. So I was thinking of getting another 640 gb drive to increase my storage.

My thinking was, that if the 640gb green drive is slow, supposedly it's 5400-7200rpm, then if I get two in raid 0, then I shouldn't have any problems with it's performance. Although, it's worked just fine so far.

For just recorded tv, would I see any performance increase with two 640gb green hard drives in raid 0?
If it won't make any difference then I'll probably not bother with putting them in raid and just have two storage drives.

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spinning rust   09-28-2009 at 10:03:38 PM
Best answer

if you RAID 0 drives that are different, they will only perform as quickly as the slowest. best practices is to use drives that are of like perfromance.

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