difference between these IBM drives?

[cojer]

I would like to purchase an 80gb 7200 drive for my new comp. The best deal I have come across is IBM 76.8 Gb,Ultra ATA/100,7200 RPM for around $85. But I also see IBM 80.0 Gb,Ulta ATA/100,7200 RPM for over $100. There must be some significant differences between these drives if they can sell a 76.8gb drive for the same price as their 40gb 7200 drive?

 

[lhgpoobaa]

yes... differnt drive design age's, platter densities, number of platters etc.

im figuring that the 76.8Gb drive is from the 75GXP line, which has 5 platters of 15gb each.
the 80Gb drive will most likely be from the 120GXP line, with only 2 platters of 40Gb... a big difference.

less platters = less heat, less noise
higher data density = higher data transfer rates.

plus the 75gxp line was HIGHLY UNRELIABLE. they crashed far too often. its old stock, which is why its probably so cheap.


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