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You are here: MacNN Forums > Hardware - Troubleshooting and Discussion > Consumer Hardware & Components > what does "GN" and "GH" mean?

what does "GN" and "GH" mean?
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Addicted to MacNN
Join Date: Oct 2001
Location: Yokohama, Japan
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Feb 9, 2002, 10:27 AM
 
I was looking at getting a new hard drive for my Pismo PowerBook, so I went to transintl.com to look at their TravelStar disk listings. But one spec they list I just don't understand: "GN" and "GH." All models up to the 48GB one are listed as having the same number for "GN" and volume (i.e. 20GB -> 20GN, 30GB -> 30GN). Then the 48 and 60GB models have 48 and 60 GH. What does that mean?

Then I looked at pricewatch.com. The listings there seemed to have no correlation between GB and GN or GH.

     
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Feb 9, 2002, 11:02 AM
 
I always thought they were just IBM product designations. Try to find the specs on these drives someplace else to confirm. IBM's site is a disaster.
     
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Join Date: May 2001
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Feb 10, 2002, 04:29 AM
 
Hello wataru,
I'm not absolutely sure about it, but the GH-drives all have a rotational speed of 5400 RPM. All other drives are at 4200 RPM.
You can find all 2.5" drive specifications at http://www.storage.ibm.com/hdd/prod/travelstar.htm

Klaus
     
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Feb 14, 2002, 01:56 PM
 
The GN drive has dynamic fluid bearings, if I recall. It's very, very quiet.
     
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Feb 14, 2002, 02:23 PM
 
Anyone try the ultra-quiet drive in their ibook? I'm about to upgrade mine. The drive it shipped with has gotten irritatingly noisy.
     
GK
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Join Date: Jan 2001
Location: Boston
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Feb 18, 2002, 12:13 PM
 
I have the IBM 30GN in my TiG4, very quiet. The GH series is suppsed to be significantly louder. I got it at www.newegg.com fpr $130.


Hope that helps

     
   
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