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I am working on spec'ing out a new Hyper-V server, and I am running into something that I find confusing--I have the following choices:

146GB 15k RPM, SAS, 3Gbps, 3.5"
146GB 10k RPM, SAS, 6Gbps, 2.5"

Why does the 10k drive come only with the lower bus--I would have thought that the 15k drive would come with the 6Gbps bus?

What am I missing?

Thanks-

-Josh

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You can get 15k/6Gbps (and 10k/3Gbps) so this must just be related to where you are doing your shopping - you are just seeing what they have available. –  MattB Dec 1 '10 at 19:02
    
Thanks for all the comments. Appreciate it. –  Josh Brower Dec 4 '10 at 20:33

2 Answers 2

up vote 2 down vote accepted

The top tier of disks typically lags a bit for the newest access methods. Those drives are held to higher tolerances when it comes to manufacture, and "1.0 problems" need not apply.

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Plus there are release schedules. Probably the 15k is just not due for a new release. Seriously, though, this is mostly academic - in a random IO scenario it is HARD to use up the 3gbps. You need more than a handfull of discs for that.

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