Holy smoke! The new MacBook Pro literally is twice as fast | Computerworld
Apple MacBook Pro Retina 13 (Early 2015) Notebook Review - NotebookCheck.net Reviews
13-inch MacBook Air (early 2015) review - Macworld UK
655-1857) 128GB SSD - Apple MacBook Pro Retina 13″ & 15″ (2015)
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
Should I upgrade to a 2017 MacBook Pro if I currently have a 2015 MacBook Pro? - Quora