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
Upgrade your Macbook Pro SSD using any NVMe Drive (Double Performance!) - YouTube
Upgrade your MacBook to an SSD (pictures) - CNET
MacBook Pro Retina (Mid 2012): SSD Replacement - YouTube
Mid 2012 13" inch MacBook Pro A1278 Disassembly RAM SSD Hard Drive Upgrade Repair OSX Install - YouTube
Does the mid-2012 13 MacBook Pro have an M.2 slot that I can use for an Intel Optane memory upgrade? - Quora
MADLAWMEDIA— Turn Your MacBook Pro (Mid-2012) into a Super Machine
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
Upgrade Your Macbook Pro (SSD Upgrade, RAM Upgrade, Optical Drive Bay Adapter) - YouTube
My maxed out Mid-2012 13 inch MBP - 16GB of ram and 1.2TB of SSD! : r/mac
Mid 2012 macbook pro loaded with tons of software(8gb ram + SSD upgrade) | eBay