Raid 0 questions?

[rickyman]

i want to know what is the difference of performace when i put two 80 gig with different brand and two 80 gig with the same brand?

is the perforance the same or difference?

i have 80 gig WD sata hd and i want to buy another 80 gig either WD or other brand for raid 0.

 

[RalphTheCow]

Did you read this? Anandtech Review of Raptors in RAID 0

It showed virtually no difference in real world performance for RAID 0. It stopped me from considering it.