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Question about raiding

If I ran two 750 gb in raid 0 how much space would I have?

I was planning on using a 128gb ssd for OS and programs then the other two for everything else, I ask this because I read a post by a guy who was trying to raid 0 a 250gb and a 750gb and who would only get 500gb total. So would I only get 750gb if I raid 0'ed 2 750 gb together?
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  1. I've done RAID 0 only once, so take this for what it's worth, but I put two 320GB drives into RAID 0 and had 640GB. I believe that guy's problem probably came from raiding two completely different sized drives.
  2. Best answer
    When you set up a RAID 0 configuration you interleve the data on two drives. Your maximum RAID 0 drive space is double the smaller of the two drives. Ideally you should use the same model of HDD from a single OEM. RAIDing HDDs from two different OEMs may prove troublesome if not impossible if the drive speed isn't matched.

    RAIDing two HDDs from a single OEM of 750 GB size should produce a "single RAID drive" of approximately 1.5 TB.
  3. Best answer selected by Delengowski.
  4. Thanks and yes I plan on using two

    Western Digital Caviar Black WD7502AAEX 750GB 7200 RPM SATA 6.0Gb/s 3.5" Internal Hard Drive -Bare Drive
    in Raid 0

    with a Crucial M4 CT128M4SSD2CCA 2.5" 128GB SATA III MLC Internal Solid State Drive (SSD) for OS and Programs
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