NT 256 22*42MM Kingspec NGFF SSD 256GB Solid state drives FOR Lenovo K2450 Y410P Y510P ThinkPad E431 X240 T440 Probook430 G1|state drive|solid state drivengff ssd 256gb - AliExpress
auksas Liūdnai slap t440p m2 - jerry-lim.com
How to Install an M.2 SSD in the Lenovo ThinkPad T440s | Laptop Mag
Looks like m.2 2280 worked out just fine for t450s : thinkpad
T440P SSD m.2 Upgrade Is It Worth It - YouTube
ThinkPad T440p SSD Upgrade with Transcend MTS400 256GB 2242 M.2 SSD – Mostly About Computers
New Original Lenovo Thinkpad X240S X240 T440P T440S T440 W540 T540P W541 Solid State Hard Disk 2.5 512G SSD FRU:04X3933 00JT067|Internal Hard Drives| - AliExpress