My maxed out Mid-2012 13 inch MBP - 16GB of ram and 1.2TB of SSD! : r/mac
Odyson - 256GB SSD Replacement for MacBook Pro 13" A1425 (Late 2012, Early 2013) / 15" A1398 (Mid 2012, Early 2013)
Apple MacBook Pro (13-inch, Mid 2012) - i5 2.5 GHZ 6GB RAM 120GB SSD | eBay
MacBook Pro 13” Mid 2012 2.5ghz i5 8gb Ram 240gb Ssd for Sale in Brooklyn, NY - OfferUp
SSD Upgrade Kits for MacBook Air 2012
Mid-2012 Macbook Pro (SSD) Hard Drive Upgrade How To - YouTube
Amazon.com: GODSHARK 7+17 pin mSATA to A1398 A1425 (2012 & Early 2013) Adapter for MacBook Pro Retina SSD Replacement, Mini PCIe SATA SSD Converter Card : Electronics