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SATA 3GB/s vs. RAID 0

post #1 of 18
Thread Starter 
I was really skeptical about getting two HD's for RAID 0 because it seems the performance boost is minimal compared to SATA 3GB/s HD's..

Should I purchase a Western Digital SE 250GB 3.0GB/s HD
OR
two Western Digital SE 160GB 3.0GB/s w/ RAID 0??

I would prefer to stick to one HD, but if the performance difference is large, then I will go with RAID 0.

Also, I know the crash probably doubles because of two HD's.

P.S. is RAID 0 even possible with SATA 3.0GB/s??

Thanks!
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post #2 of 18
from what i've heard raid is a lot faster. but even if you do raid 0 with two sata 3GB that doesn't mean you will get 6gb transfer or anything
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post #3 of 18
SATA 3.0GB/s is just the maximum bandwidth of the interface. You HDs actually can do only 60-90MB/s. You can have SATA 100000TB/s and your HDs would still only do 60-90MB/s. In RAID0, you should see 110-170MB/s depending on HD.
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post #4 of 18
the performance gain of Raid 0 has greater effect on large file transfer. for example, writing 20x500mb avi files to raid 0 array may be 50~75% faster than a single drive. however, you are not going to see much of a difference in most of the applications.

in reality, raid 0 only increase the risk by a fraction of what most ppl assume. most raid driver and raid rated HDD has features what will remap the data when a HDD failure is detected. even when one of HDD in the array did go wrong, you have equal chance to recover the file as a single drive.

whether you need raid 0 or not is based on your application. do you transfer large file frequently?
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post #5 of 18
Raid 0 with 7200.10 sata seagate hd's

post #6 of 18
Thread Starter 
Quote:
Originally Posted by psun786 View Post
the performance gain of Raid 0 has greater effect on large file transfer. for example, writing 20x500mb avi files to raid 0 array may be 50~75% faster than a single drive. however, you are not going to see much of a difference in most of the applications.

in reality, raid 0 only increase the risk by a fraction of what most ppl assume. most raid driver and raid rated HDD has features what will remap the data when a HDD failure is detected. even when one of HDD in the array did go wrong, you have equal chance to recover the file as a single drive.

whether you need raid 0 or not is based on your application. do you transfer large file frequently?
No I dont transfer large files on a regular bases. I was more concerned about high end gaming, high res videos, and overall common performance.

Thanks for the explanation also.
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post #7 of 18
still do it.
even when doubled, its so low of a chance of failure
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post #8 of 18
Thread Starter 
So when using RAID 0, both hard drives act as one correct?

So its as a single C: drive, with the same space as one drive?
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post #9 of 18
Quote:
Originally Posted by Iverieli View Post
So when using RAID 0, both hard drives act as one correct?

So its as a single C: drive, with the same space as one drive?
exactly...

I recently changed over to raid 0 and I am glad I did. I went with the Western Digital 250GB SK drives and I am impressed! I picked them up at newegg. They have the highest rating and over 1000 reviews!

Good luck!
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post #10 of 18
Thread Starter 
Quote:
Originally Posted by ericeod View Post
exactly...

I recently changed over to raid 0 and I am glad I did. I went with the Western Digital 250GB SK drives and I am impressed! I picked them up at newegg. They have the highest rating and over 1000 reviews!

Good luck!
BTW, are you using the 3GB/s drives?? Is there a certain type of HD I should use for RAID 0?
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