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Thread: Sas v U320 scsi advice required

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    Sas v U320 scsi advice required

    Sas v U320 scsi advice required

    I am building a new PC for use with a 3D modeling system that constantly access 10,000 to 60,000+ files(read/write)

    In the past i have used a single scsi drives with a scsi controller ( last one was u160 ) on a 32 bit PCI bus to gain full duplex

    After a some research i am not sure if a Sas controller on a PCI / PCI-X / PCI-E would give much more performance than a U320 on a PCI / PCI-X / PCI-E U320 controller.
    I am not even sure that with a single drive, a PCI-X or PCI-E would give me much more than a 32 bit PCI

    I would be using the fastest drive i can get, but only one .

    I would appreciate any thoughts on this


    Regards Paul

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    Re: Sas v U320 scsi advice required

    Well a 15,000 RPM disk would be reaching 32bit PCI saturation point. And SCSI has given way for SAS, so a PCIe SAS controller will give you some measure of future proofing if you want to add another disk later.
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  3. #3
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    Re: Sas v U320 scsi advice required

    Thank You for your reply

    Future proofing is not an issue, backups/archiving would be done with a none scsi/sas drive and when its time to update (2-3 years) I will buy all new parts again.
    Sas is slightly more expensive a.t.m than u320 but with a single drive i am not sure there would be much of a performance increase.
    I came to a similar conclusion with the 15,000 RPM drives with a 32bit PCI so a PCI-X or PCI-E would be a better choice.

    Regards Paul

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