Microsoft Surface Pro 4, 256 GB, 8 GB RAM, Intel Core i5, MINT condition, Includes Stylus and charger No KeyboardRefurbished with FREE 3 Year Warranty provided by CPS. - Walmart.com
Microsoft Surface Pro 4 review: A bargain at £649
Refurbished: Microsoft Surface Pro 4 (256 GB, 8 GB RAM, Intel Core i5, Windows 10) + Microsoft Surface Type Cover - Newegg.com
Microsoft Surface Pro 4 Price, Specifications, Features, Comparison
Microsoft Surface Pro 4 Intel Core i5 4GB RAM 128GB SSD Intel HD Graphics 515 12.3" Touchscreen Windows 7 Pro - Refurbished - Walmart.com
Can you upgrade RAM on Surface Pro 4? - SurfaceTip
Microsoft Surface Pro 4 :1724 i5-6300U 4GB RAM 128GB SSD Windows 10 Pro | Microsoft Surface | Blackmore IT
Surface 4 Pro teardown: SSD is replaceable, not much else is - Liliputing