How to Upgrade the SSD in a 15-inch MacBook Pro w/ Retina display (Mid 2012–Early 2013) on Vimeo
The next-gen MacBook Pro with Retina Display: SSD Analysis
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
Mid 2012 13" inch MacBook Pro A1278 Disassembly RAM SSD Hard Drive Upgrade Repair OSX Install - YouTube
MacBook Pro Retina (Mid 2012): SSD Replacement - YouTube
Mid 2012 macbook pro loaded with tons of software(8gb ram + SSD upgrade) | eBay
Upgrade your Macbook Pro SSD using any NVMe Drive (Double Performance!) - YouTube