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SAS vs. SATA in Mac Pro 3,1

Hi!

I need to upgrade my drives and noticed that Seagate offers sas version of their Contellation ( http://www.seagate.com/www/en-us/products/enterprise-hard-drives/constellation-e s/ ) series.

My main work is photography (photoshop) and I do have loads of images from 500-900 MB.

When looking at the info in "about this Mac" there's shown sas, but no drive connected; which means I can run sas drives im my Mac Pro 3,1?

At the moment I do have 4 drives, all sata. 1 system, 2 and 3 data and 4 bootcamp for xp.

1. Would I be able to just replace my drives 1, 2 and 3 with sas drives and keep 4 as sata?
2. Would there be a noticeable speed improvement instead using sata drives?
3. Is sas using the same connectors as sata? So simply taking sata out and put sas in?

Any help is highly appreaciated.
Thanks in advance,
Matt

Mac Pro / May 2008, Mac OS X (10.6.4)

Posted on Sep 10, 2010 1:55 AM

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Question marked as Best reply

Posted on Sep 10, 2010 5:58 AM

All SAS drives require a proper controller, which you don't have.
Apple's is $700.

And, you can do just fine with SSD and/or 10K WD VelociRaptor 600GB (for a mere $280).

People that do work with large 1-2GB files max out RAM.

http://macperformanceguide.com/blog/2010/20100906_SettingUpYourMac--mac-howto.ht ml
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SAS vs. SATA in Mac Pro 3,1

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