Looks like m.2 2280 worked out just fine for t450s : r/thinkpad
Upgrade Lenovo ThinkPad T450s with M.2 SSD | Ram | HDD - YouTube
Upgrading a ThinkPad T450s with an M.2 SSD - James Ridgway
Lenovo M.2 SSD Connector Board T440 T440S T450 T450S NS-A056 VILT0 M2 Adapter | eBay
T450s-Thinkpad-ERROR-2101-Detection-error-on-SSD1-M-2 - English Community - LENOVO Comunidade
Thinkpad T450s m.2 slot - Hardware - Level1Techs Forums
FOR Lenovo ThinkPad X240S X250 X260 X270 T440 T450 SSD Solid State Interface Board NS-A056 - AliExpress
Lenovo ThinkPad T450s Disassembly and RAM, HDD, SSD upgrade options - Laptopmain.com
TEARDOWN UPGRADE - THINKPAD T450 UPGRADE SSD Msata / M.2 Sata 2242 - YouTube
Amazon.com: LHY Parts New for Lenovo ThinkPad T580 20L9 20LA P52s 20LB 20LC M.2 Adapter SSD Bracket & Cable 01YR457 01YR466 : Electronics
Lenovo ThinkPad T440 T450 X240 X250 SanDisk 16GB 6Gb/s M.2 SSD Drive 04X4456 | eBay
Thinkpad T450S m.2 slot - Kernel, boot, graphics & hardware - EndeavourOS
Lenovo ThinkPad T450 Ultrabook Review - NotebookCheck.net Reviews
Lenovo ThinkPad T440 m.2 SSD and 2.5" SSD Install (how to + test run) - YouTube
Lenovo Thinkpad T450 Hard Drive/SSD Replacement - YouTube
Thinkpad T450S m.2 slot - Kernel, boot, graphics & hardware - EndeavourOS
How to Install SSD and Ram Upgrade in Lenovo ThinkPad T450 Laptop - YouTube
laptop - Thinkpad T450s WWAN M.2 slot - M or B key? - Super User
Lenovo P53 Western Digital 512GB NVMe M.2 SSD Solid State Drive 5SS0V26412
thinkpad-t450-ssd-M2-2242 - English Community - LENOVO COMMUNITY
Upgrading a ThinkPad T450s with an M.2 SSD - James Ridgway
New For 3rd M.2 NGFF Cable For Thinkpad T440 T450 SSD Card Flex Cable Connector | eBay
