Difference beteen Seagate 4XL and 4LP

What's the difference between the Seagate 4XL and the 4LP series of drives?  I have a ST34371 which I believe is a 4LP family drive.  I'm looking at buying a ST34572W which is an XL family drive.  How is the performance of the ST34572W different from my current drive?

Bill
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BigpawsAsked:
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harley47Connect With a Mentor Commented:
one is ulta wide SCSI and the other is not.  That was in the specs.  
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harley47Commented:
There are no differences in seek time or data transfer.  I don't think you will see any performance increase with the new drive.
You can check out all of the specs. here:

http://www.seagate.com/support/disc/specs/qs2num.shtml

Regards
Bill
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BigpawsAuthor Commented:
Thanks - That partially answers my question, but I still cannot determine what the difference is between the two families.  Is it just that one replaces the other, or what (4LP vx 4XL).  

Bill
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McDormanCommented:
Bigpaws

I used to be the Engineering manager for the factory that built the 4XL and 4LP.  As far as these characters go, the difference is inside.  The 4LP means Low Profile.  The 4XL is fundamentally the same drive, but with one less disc installed.  The XL is the newer version and was built designed to reduce cost.  It has higher arial and linear density in order to make up for the lost disc.  Either one of them are great drives.  I have many of each that I bought.  Just thought I would help clarify.

Regards,

Tom
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BigpawsAuthor Commented:
Thanks, Tom.  If you repost this as an answer, I'll give you the points.   Your answer is what I was looking for.


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