Surface Laptop 5: Fast, lightweight laptop with touchscreen | Microsoft Surface
The Surface Pro X and Surface Laptop 3 are upgradable, but only a little - The Verge
Restored Microsoft Surface 3 - Tablet - Atom x7 Z8700 / 1.6 GHz - Windows 10 Home - 2 GB RAM - 64 GB eMMC - 10.8" touchscreen 1920 x 1280 (Full HD Plus) - HD Graphics - Wi-Fi 5 (Refurbished) - Walmart.com
Can you upgrade RAM on Surface Pro 3? - SurfaceTip
Amazon.com : Microsoft Surface 3 10.8-inch FHD Full HD(1920x1280) Touchscreen 2-in-1 Education and Business Laptop Tablet (Intel Quad-Core Atom x7-Z8700, 4GB RAM, 64GB SS Mini DP, Webcam, Windows 10 Pro (Renewed) :
Amazon.com: Microsoft Surface 3 Laptop, AMD Ryzen 7 3780U, 32GB DDR4 RAM, 1TB SSD, Radeon RX Vega 11 Graphics, 15" PixelSense Touchscreen Display, Windows 10 Home, QVS-00001, Black (Renewed)
Surface Pro 8 – The most powerful Pro – Microsoft Surface
Microsoft Surface 3 Tablet (10.8", 128GB, Intel Atom, Windows 10) - Calgary Tech Rent
Can you upgrade RAM on Microsoft Surface Pro X? - SurfaceTip
Microsoft: Surface lacks upgradeable RAM and Thunderbolt because of security | ZDNET