Looks like m.2 2280 worked out just fine for t450s : r/thinkpad
Lenovo ThinkPad T450s Disassembly and RAM, HDD, SSD upgrade options - Laptopmain.com
Two WWAN slots in T450?? : r/thinkpad
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Upgrading a ThinkPad T450s with an M.2 SSD - James Ridgway
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M.2 ssd and Lenovo T450 - RedFlagDeals.com Forums
Lenovo Thinkpad T450s Laptop SSD/HD Replacement - YouTube
Thinkpad T450S m.2 slot - Kernel & Hardware - EndeavourOS
Lenovo ThinkPad T450 Ultrabook Review - NotebookCheck.net Reviews
Upgrading a ThinkPad T450s with an M.2 SSD - James Ridgway
Lenovo ThinkPad T460s (Core i5, Full HD) Ultrabook Review - NotebookCheck.net Reviews
Lenovo ThinkPad T440, T440S, T440P, T450 Series Laptop 2.5 Hard Drive/SSD Drive | eBay
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How to Install an M.2 SSD in the Lenovo ThinkPad T440s | Laptop Mag
Lenovo Thinkpad T450s Trackpad Replacement - iFixit Repair Guide
Upgrading a ThinkPad T450s with an M.2 SSD - James Ridgway
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