GUIDE] Assemble NVMe SSD to A1278 MacBook Pro (MBP 13-inch 2012 + NevBolt-1) - YouTube
Amazon.com: for Apple MacBook Pro A1278 A1286 A1297 2nd 9.5mm SATA HDD SSD Caddy Adapter Bay : Electronics
Amazon.com: 2nd HDD SSD Hard Drive Caddy for Apple MacBook Pro Unibody Mid-2012 A1278 13-Inch Laptop MD101LL/A MD102LL/A MD101 MD102, SATA3 Second Solid State Drive Enclosure, CD DVD SuperDrive Optical Bay New :
Best SSD for MacBook Pro Mid-2012 (Upgrade Guide)
Zapplerepair | M.2 SATA SSD can't be paired to SSD NVME Converter, SSD NVME Converter MacBook A1466 2012, Installing SSD NVME Converter on MacBook
NevBolt-1 NVMe Adapter for A1278 MBP from iBoffRCC on Tindie
How To Add Second A SSD to Replace Optical Drive MacBook Pro 2012 - YouTube
How to upgrade your MacBook Pro with an SSD - CNET
Installing MacBook Unibody Model A1278 Dual Hard Drive - iFixit Repair Guide
Macbook Pro SSD Upgrade (2011/2012/2013) - YouTube
Installing MacBook Unibody Model A1278 Dual Hard Drive - iFixit Repair Guide
2012 Macbook Pro 13" A1278 Hard Drive Disk Replacement - YouTube