M2 MacBook Pro 13 with 256 GB storage has a 33-50% slower SSD than its M1 equivalent - NotebookCheck.net News
MacBook Pro 13" Retina Display Early 2015 SSD Replacement - iFixit Repair Guide
Entry-level M2 MacBook Pro has a slower SSD - 9to5Mac
MacBook Pro 13" Retina Display Early 2015 SSD Replacement - iFixit Repair Guide
MacBook Pro 13" and 15" Retina (Late 2013-Mid 2014) SSD
SSD Upgrades for 2013, 2014, and 2015 MacBook Pro
How to use an NVMe drive to upgrade your Mac's SSD | AppleInsider
Amazon.com: 128GB SSD Hard Drive Apple MacBook Pro 13" A1502 / Mac 15" A1398 / Mac Air 11" / 13" A1465 A1466 OSX Sierra/Late 2013 - Mid 2015 / Mac Pro A1481 : Electronics