Hard drive question regarding RAID 0

Not sure if this is the section to ask it, but it's sorta related to photoshop and hard drives..

Okay.. I'm about to purchase a laptop for photo editing/photoshop, and I don't know which hard drive to get..

I heard RAID 0 will make your hard drives faster? (I don't really understand it, but I hear it's faster)

So my question is if I configure a 5400 rpm hard drive to RAID 0.. will it be faster than a non-RAID 7200 rpm hard drive?

Unfortunately, any form of RAID always necessitates the use of more than one disk.

RAID level 0, indeed, is designed to multi-task (and speedup) the storage of data across multiple disks. However, the need for multiple disks on a laptop is generally not a practical option nor particularly optimal compared to doing RAID on a desktop. Furthermore, RAID 0, only on its own, is very risky in case of a failure.

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How often does it fail? and will this speed up my performance using photoshop?

RAID 0. As vopthis said, RAIDs (of any kind) are used when you have more than one hard drive which really is impractical in a laptop at best. Failure on one drive causes loss of data on both drives & laptop drives are slow anyway so whats the point? Performance has more to do with processor, ram, & graphics than with hard drive.

If you want real hard drive speed, get a desktop & stick a 10k rpm raptor in it.