Dual Hard Drive - Power Consumption

I am considering removing my optical drive and putting my primary HDD in its location and putting an SSD as my new primary drive.

Does anyone know if the second drive drains the battery considerably?

Any feedback, details or warnings that I should know before changing this?

Thanks your help in advance :)

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How about just swapping out the HD with a SSHD. It will use less power than your dual setup.

We gave up on doing dual drive setups between the loss of crash guard and slower I/O though the optical drives port when moving the HD over. Besides you'll need to make sure the SSD you get is able to work with the SATA II (3.0 Gb/s) HD port your system has.

Seagate makes a good one we've had great success with them. We have over 200 in the field. Take a look here: Seagate Laptop SSHD and here's the spec sheet: Laptop SSHD. Note the line: SATA Transfer Rates Supported (Gb/s) - 6.0/3.0/1.5 make sure the drive you do get can do the same.

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Thanks for the response. My Primary drive is currently 1TB so replacing it with just an SSD would be a little annoying since I'd loose a lot of storage, unless of course I could shell out tons of money.

When you say "We gave up on doing dual drive setups", to whom are you referring to?

Do you know the speeds of I/O through the optical drive connector?

Lastly, I was under the impression that SATA III was backward compatible with SATA II. Is there any hidden details that I should know about? (even the ifixit recommended drive is SATA III)

http://en.wikipedia.org/wiki/Serial_ATA#...

**I confirm the drive I was eyeballing is backwards compatible. I found it on the spec sheet on Kingston's site:

http://www.tigerdirect.ca/applications/S...

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We - The company I work at uses tons of Mac gear (mostly laptops). Agreed! swapping out the HD for the SSD would not be a good idea. And using a dual drive setup is also not the greatest either. The links I gave you is for a SSHD which is a hybrid drive (part SSD and part HD). It gives you the best bang here with the least risk and cost.

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As to SATA: Boy it can be confusing! To start with the Cabling is comparable between the generations so if you had a SATA I (1.5 Gb/s) HD you could migrate it to a newer system which was SATA III (6.0 Gb/s). So the HD's are upwardly compatible. Now the rub... Having an older SATA I system can't always support a newer HD. The issue here is the HD needs to be downwardly compatible. Not all HD's are! in face many are not now. Again note the second link is the spec sheet for the Seagate SSHD and I pointed out the line in that spec sheet what ever drive you put in must also offer SATA II (3.0 Gb/s) support.

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Last issue is the HD SATA port in this system offers head crash protection, while the optical drive SATA port does not. So moving your current Apple HD to it will put the drive at risk. Some drives offer internal to them crash guard so if you have upgraded your HD to one that has that then you could move it over. As to the Optical drives I/O speed it is not as fast as the primary SATA port.

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As I stated we've moved on to better gear. When these dual drive setups were being used it made sense as we didn't have anything better, now we do! SSHD's.

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