This Instructable explains one method for updating a MacBook Pro to use two Solid State Disks (SSDs) and using BootCamp to partition one SSD to support Windows 7.

An early-2011 MacBook Pro is used in this instance, but the process will be very similar for other solid body MacBook Pros. The system runs Mountain Lion, but the process is similar for Lion and probably Snow Leopard.

When you are done, you will have a SSD as your main drive, running OS X, and a second SSD split between OS X and Windows.

Step 1: What You'll Need

You will need:

- a Solid State Disk (SSD) drive. I bought a 500 GB unit from Other World Computing. http://www.macsales.com

- a conversion kit, aka Drive Doubler, that lets you install a second SSD in place of the DVD drive. I got mine from MCE Technologies: http://www.mcetech.com. You will want a second SSD, too.

- a teeny tiny phillips screwdriver, for opening the case.

- a teeny tiny Torx driver. Several vendors sell inexpensive tool kits; I recommend you get one.

- a large USB flash drive, on which you can install OS X and boot from it. I used a 64 GB drive.

- a second USB flash drive. This will be used as temporary storage for files needed during installation. 4 GB is plenty.

Make sure you can plug both drives in at the same time. The USB ports are close together, and sometimes the USB flash draves are too fat to fit. I used a short USB extension cable.

- a copy of Windows 7 (or other Windows flavor) on a DVD.

- a small cup in which to place the teeny tiny screws you will remove.

- a good bright light. The little screws are hard to see. You may also want a magnifying glass.

- a good internet connection.

- several hours.

You should be comfortable about dismantling your MacBook Pro. Bear in mind that this may void your warranty, depending on how cranky Apple feels like being. Many installers like to do the work on a soft cloth, so as not to scratch the Mac's case.

Other World Computing has excellent videos on working on your Mac: http://eshop.macsales.com/installvideos/

You may also want to consider upgrading your RAM while you have your system apart.

Is it possible to have one drive with only OSX and another with only windows?
<p>I'd like an answer to that too.</p>
<p>YES:) after searching all over and looking for answers i found that it will in fact work.</p>
<p><a href="https://www.instructables.com/member/AveryP3" rel="nofollow">AveryP3</a>How??</p><p>Can I simply install windows on an ssd and then put it in my mac (with another ssd) ?<br>Will I be able to choose which drive I want to use when starting the computer?<br>Thanks!</p>

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More by grenley:Installing Dual SSD drives and Bootcamp in MacBook Pro 
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