Apple Adding Last MacBook Pro With CD Drive to Vintage Products List - MacRumors
SSD Upgrades for 2013, 2014, and 2015 MacBook Pro
Amazon.com: 256GB SSD Hard Drive for Apple MacBook Pro Air 11" 13" 15" A1502 A1398 A1465 A1466 (Late 2013-2015) / OSX Sierra/Mac Pro A1481 : Electronics
How To: Replace the SSD in your MacBook Air 13" (Early 2015) - YouTube
How to add a fast new SSD to your old Mac or MacBook for only $150 - 9to5Mac
Apple Macbook Pro Retina 1TB SSD HDD 15" A1398 A1502 Hard Drive MZ-KPU1T0T/0A6 | eBay
OWC OWCSSDAB2MB10 1.0 TB Aura Solid State Drive/Flash Internal Drive Upgrade for Mid-2013 and MacBook Air/MacBook Pro with Retina Display : Amazon.co.uk: Computers & Accessories