Upgrade the Hard Drive on a MacBook Pro (HDD + SSD) : 4 Steps (with Pictures) - Instructables
macbook pro mid 2012 hard drive upgrade to SSD SATA recommendation - Ask Different
How to replace the HDD to SSD on your MacBook Pro explained | Tab-TV
Amazon.com: MCE Technologies 1TB Internal SSD Flash Upgrade for MacBook Pro Retina (Mid 2012 - Early 2013) - Includes USB 3.0 Enclosure for Original Drive & Install Kit! : Electronics