OWC Data Doubler: Get 2 Drives in your MacBook Pro
SSD adapter kit: replace Apple SuperDrive with hard disk
HDD Caddy for Macbook Pro 13, 15, 17 inch Unibody
ESYNIC Hard Drive Caddy Tray 2.5" 2nd HDD SDD Kit 9.5mm SATA HDD SSD Adapter Optical Bay Drive Slot for MacBook Pro Unibody 13 15 17 SuperDrive DVD Drive Replacement Only : Amazon.ae: Computers
How to: Replace the Macbook Pro Optical Drive With SSD - YouTube
2012 Macbook Pro 13" A1278 DVD Super Drive Replacement - YouTube
Amazon.com: Padarsey 2nd HDD SSD Hard Drive Caddy Tray Replacement for MacBook Pro 13/15/17 inch A1278 A1286 A1297 2008 2009 2010 2011 2012 Internal Laptop CD/DVD-ROM Optical SuperDrive Adapter to 2.5 Inch 9.5MM : Electronics
A Step by Step Guide to How to Wipe a Mac Clean
How to Replace MacBook Pro Optical Drive with SSD: EveryMac.com
How To] Replace Optical Drive With HDD / SSD MacBook Pro 2012 - Caddy Installation - YouTube
How to Replace MacBook Pro Optical Drive with SSD: EveryMac.com