Amazon.com: New Genuine Hard Drive M.2 SSD Tray for Lenovo ThinkPad P52s T580 4XF0R41604 : Electronics
How to upgrade the SSD in your Lenovo ThinkPad T490 | Windows Central
Lenovo Thinkpad X250 12.5" Ultrabook Business Laptop Computer, Intel Dual-Core i5-5300U Up to 2.9GHz, 8GB RAM, 256GB SSD, WiFi, Bluetooth, USB 3.0, Windows 10 Professional (Reused) - Walmart.com
Lenovo Thinkpad E470 Disassembly and SSD, HDD, RAM upgrade options