How to upgrade a Mid-2012 Macbook Pro to SSD | David Artiss
Replace your 2009-2012 MacBook Pro HD with an SSD
MacBook Pro 15" Retina Display Early 2013 SSD Replacement - iFixit Repair Guide
MacBook Pro 13" Retina Display Late 2012 SSD Replacement - iFixit Repair Guide
Amazon.com: MCE Technologies 500GB Internal SSD Flash Upgrade for 13" and 15" MacBook Pro with Retina Display (Mid 2012 - Early 2013) - Includes Installation Kit! : Electronics