MacBook Pro 15" Unibody Mid 2012 Hard Drive Replacement - iFixit Repair Guide
Replace your 2009-2012 MacBook Pro HD with an SSD
Mid-2012 Macbook Pro (SSD) Hard Drive Upgrade How To - YouTube
MacBook Pro 13" Unibody Mid 2012 Hard Drive Cable Replacement - iFixit Repair Guide
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
MacBook Pro 13" Unibody Mid 2012 Hard Drive Replacement - iFixit Repair Guide