Touch Bar MacBook Pro models have non-upgradeable SSDs, seemingly under-sized batteries - 9to5Mac
MacBook Pro (15-inch, 2018) - Technical Specifications
Review: The 2018 i7 15-inch MacBook Pro is much more than a spec bump | AppleInsider
Apple MacBook Pro 15" 2018 (512GB SSD, Intel Core i9, 32GB RAM) Laptop | eBay
MacBook Pro - Wikipedia
2018 13-inch MacBook Pro review: Apple's lofty promises are finally realized | AppleInsider
Restored MacBook Pro Mid 2018 MR9Q2LL/A 13.3-inch 2.3ghz i5 256GB SSD 8GB Memory Retina, Space Gray, Touch Bar (Refurbished) - Walmart.com
Apple MacBook Pro 15-Inch (2018) Review | PCMag
MacBook - Wikipedia
2018 MacBook PRO Storage Upgrade - YouTube
Amazon.com: MCE Technologies 1TB SSD Compatible with MacBook Air 2015 and Compatible with MacBook Air 2017: PCIe-Based 4 Lane (x4) NVMe SSD Flash Storage Upgrade - Requires macOS 10.13.x (High Sierra) or
The 2018 MacBook Pro has the fastest SSD ever in a laptop - HardwareZone.com.sg