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How do I install a 2nd SSD harddrive on a new Macbook Pro in place of the DVD drive?

I want to remove the DVD drive and replace it with the SSD drive. That way I can have the original large hard drive and the SSD drive to run the OS and most applications off of.

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up vote 4 down vote accepted

This is no big deal, it's even covered in warranty if you don't damage anything.

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  1. Get your hands on something called an OptiBay. It's an enclosure for 2.5" hard drives that fits into the MacBook's SuperDrive slot. Those can be bought on eBay <100$ or straight from MCE. Make sure you get the right model for your Macbook Pro.
  2. Buy an appropriate 2.5" SSD, I think that any will do fine, whatever fits your budget.
  3. Go to iFixit and find the specific guide for opening your Macbook model. They have a lot of high quality photos and even give you a list of the tools you need for opening the enclosure and accessing the SuperDrive.
  4. Pop in the SSD drive into the OptiBay, replace the SuperDrive with the OptiBay and boot up the Mac
  5. You should now be able to format the second drive using Disk Utility.
  6. Enjoy your additional storage!

Note #1: You don't specifically need an OptiBay, you could just put in the drive, but you will need to make sure it fits tight and stays where it is. This is especially important for "normal" hard drives. SSDs won't take damage if they rumble around in your Macbook, but you don't really want that, do you?

Note #2: I personally would recommend you to replace the primary OS X disk with the SSD and use a traditional hard drive as the second disk. That way your applications will run from the faster disk and stuff like large files and archives can be stored on the slower drive. You could do a Time Machine backup of your system before and then just restore it onto the SSD.

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It's said to be best to keep the spinning disk in the disk bay, for drop protection. – tobylane Mar 19 '11 at 21:58
@tobylane makes an important point that only a handful of guides on the web point out, I'm trying to find out more here: Is installing a HDD instead of SuperDrive safe? – Baumr Dec 1 '12 at 14:10

It looks like a product called DualDrive can do this.

Here's a youtube video (german, sorry) showing how it works, it looks like it takes some effort, you have to be willing to get into the guts of your macbook.

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