512GB 2230 M.2 NVMe PCIe SSD PM991 Upgrade Surface Laptop 3 4 GO ProX Pro 7+ 8 798988182190 | eBay
Update: The M.2 2230 SSD inside the Surface Laptop 3 is user-upgradeable and not hardware-locked : r/Surface
Microsoft won't upgrade your Surface Laptop 3's SSD at a Microsoft Store, for now | PCWorld
Microsoft Surface Laptop 3 (13-inch, 2019) review: Third time, still a charm - CNET
Amazon.com: SN530 m.2 2230 SSD 1TB NVMe PCIe for Microsoft Surface Pro X Surface Laptop 3 : Electronics
How to upgrade the SSD in the Surface Laptop 3 15-Inch - YouTube
Microsoft Surface Laptop3 Upgrade Special Hard Disk Surface Pro X Upgrade Solid State Hard Disk 128gb 256gb 512gb 1tb Ssd - Portable Solid State Drives - AliExpress