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Original post by: Dan ,

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Yes, the Apple tech note does offer you the limits of what the OS can handle which is way larger that anything you can buy today or would likely need. I don't know of many businesses or even governments needing 8 exabytes EB of storage :-}

OK, what can you do here...

First you do have a slight error in what your system can handle. You can only use a drive that can run at SATA II (3.0 Gb/s). While there are drives that can automatically adjust some don't. So make sure your choice is able to run at SATA II speed. I would recommend going with a SSHD unit vs a straight HD. Seagate makes a nice one which we have quite a few in service.

As to putting a second drive I place of the optical drive you do need to be careful here as the optical drive port does not offer crash protection unlike the HD port. You will need to get a drive which has it internally. That will limit your choices.

I think a 2TB drive should be large enough by its self. Remember here the second drives load will drain the battery sorting your run time.

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