Can You Upgrade the Hard Drive or SSD In Your Mac?
How to upgrade a Mid-2012 Macbook Pro to SSD | David Artiss
Padarsey 2nd HDD SSD Hard Drive Caddy Tray Replacement for MacBook Pro 13/15/17 inch A1278 A1286 A1297 2008 2009 2010 2011 2012 Internal Laptop CD/DVD-ROM Optical SuperDrive Adapter to 2.5 Inch 9.5MM :
MacBook Pro (Howto): Install A Solid-State-Drive
Macbook Pro SSD Upgrade In 2020 (Make Your Old Mac Run FAST) - 2012 Pro With Retina Display - YouTube
How-To: Upgrade the SSD in your MacBook Air or Retina MacBook Pro, boosting size & speed - 9to5Mac
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
13-inch MacBook Pro Mid 2009 Hard Drive/SSD Installation Video - YouTube
How to Install an SSD / Upgrade Your Hard Drive on a 2010 Unibody MacBook Pro - YouTube
Touch Bar MacBook Pro models have non-upgradeable SSDs, seemingly under-sized batteries - 9to5Mac