macbook pro mid 2012 hard drive upgrade to SSD SATA recommendation - Ask Different
MacBook Air 11" (2013-2015) 13" (2013-2017) MacBook Pro Retina 13" and 15" (2015) SSD - iFixit
MacBook Pro 2013 hard drive upgradable? - Ask Different
How to Upgrade MacBook Pro Hard Drive (Unibody, 2009-2012): EveryMac.com
Replace your 2009-2012 MacBook Pro HD with an SSD
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Hard Drive Caddy Tray 2nd HDD SSD Kit Compatible with 2.5" 9.5mm SATA HDD SSD 2nd HDD Adapter for Apple MacBook Pro Unibody 13 15 17 SuperDrive DVD Drive : Amazon.co.uk: Computers
256GB SSD Hard Drive for Apple MacBook Pro Air 11" 13" 15" A1502 A1398 A1465 A1466 (Late 2013-2015) / OSX Sierra/Mac Pro A1481 : Amazon.co.uk: Computers & Accessories