How to upgrade your MacBook Pro with an SSD - CNET
MacBook Pro 13" Unibody Mid 2009 Hard Drive Replacement - iFixit Repair Guide
MacBook Pro 13" Unibody Mid 2009 Hard Drive Replacement - iFixit Repair Guide
How to Upgrade Mac Pro Tower to SSD (Fastest Storage): EveryMac.com
MacBook Pro Upgrade Guide
Replace your 2009-2012 MacBook Pro HD with an SSD
How To Add Second A SSD to Replace Optical Drive MacBook Pro 2012 - YouTube
Amazon.com: HIGHFINE 2nd 2.5'' SATA HDD SSD Hard Drive Disk DVD CD ROM Optical SuperDrive Caddy Tray Adapter for Apple Unibody MacBook/MacBook Pro 13 15 17 Early mid Late 2008 2009 2010 2011 2012.etc : Electronics
Installing MacBook Pro 13" Unibody Mid 2009 Dual Hard Drive - iFixit Repair Guide