Apple MacBook Pro 15" (2017) - i7 2.8GHz, 16GB, 256GB SSD - Space Grey (Renewed): Amazon.co.uk: Computers & Accessories
How to add a fast new SSD to your old Mac or MacBook for only $150 - 9to5Mac
MacBook Pro 15" Retina (2017) 2.8 GHz Logic Board, Radeon Pro 555, with Paired Touch ID Sensor - iFixit
Apple 512GB SSD Hard Drive MacBook Air / Pro 11" 13" 15" A1502 A1398 A1465 A1466 (Late 2013, 2014, 2015, 2016, 2017) / Mac Pro A1481 Genuine - Newegg.com
Upgrading the new MacBook Pro is still a major pain – BGR
Apple 2017 Macbook Pro 15" 3.1GHz i7 16GB 1TB SSD TouchBar | Global Sources
MacBook Pro 15 inch Touch Bar (Mid 2017) A1707 - Space Gray - 1TB SSD - Intel Core i7 - 16GB RAM - 2.8GHz - AZERTY US - Grade B/C - Minpex
SSD in the new MacBook Pro with Touch Bar can't be upgraded