Can you upgrade RAM on Surface Pro 4? - SurfaceTip
SOLVED: Can I increase Surface PRO RAM - Microsoft Surface Pro - iFixit
Surface Pro 4 5 6 Laptop 1 2 Book 1 2 3 RAM Memory Upgrade to 16GB Service | eBay
How to change the SSD on the Microsoft Surface Laptop 4 in easy steps
PM991a 1TB NVMe 2230 1024GB SSD Upgrade Surface Pro 9 8 X Laptop 3 & 4 7+ | eBay
Would the surface laptop 4 ssd work in a surface pro 8? : r/Surface
Surface Pro 4 specs and features - Microsoft Support
Surface Pro 4 Bundle: Intel Core i5-6300U, 4GB Memory, 128GB SSD Hard Drive Device, Surface Pen, Surface Pro 4 Black Type Cover, Windows 10 Pro and 1 Year Office 365 Personal Subscription - Sam's Club