Microsoft Surface Pro 4 12.3" Tablet 256GB WiFi Core™ i7-6650U 2.2GHz, Silver (Certified Refurbished) - Walmart.com
Graphics and NAND Performance - The Microsoft Surface Pro 4 Review: Raising The Bar
Microsoft Surface Pro 4 review | TechRadar
Surface 4 Pro teardown: SSD is replaceable, not much else is - Liliputing
Microsoft Surface Pro 4 review: The once great Windows 10 king | Expert Reviews
Improve Surface Pro 4 SSD random IO performance by up to 30% on read and 40% on write by using Samsung NVMe drivers. This might work on Surface Book too. : r/Surface
The Surface Pro 7+ has a swappable SSD -- but there's a catch | Laptop Mag
Graphics and Storage Performance - The Microsoft Surface Pro (2017) Review: Evolution
Surface Pro 4 SSD perfermance - Microsoft Community
Samsung PM991 M.2 2230 SSD 1TB NVMe PCIe For Microsoft Surface Pro x & 7 + & 8 | eBay
Surface Pro 8 review: The best Surface for people who love the Surface | Ars Technica
new Surface Pro (i5, 8gb, 256gb) - slow Toshiba SSD - Microsoft Community