256GB SSD for Mid 2012 Early 2013 Apple MacBook Pro 13" 15" Ret. A1425 A1398 | eBay
MacBook Pro 13" Retina Display Late 2012 SSD Replacement - iFixit Repair Guide
Replace your 2009-2012 MacBook Pro HD with an SSD
MacBook Pro mid 2012 SSD Upgrade! - YouTube
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