The definitive X301 SSD upgrade thread - Page 2 - Thinkpads Forum
ThinkPad X301, upgraded, overclocked : r/thinkpad
BEWARE: Lenovo Thinkpad L15 Gen3 SSD is practically un-upgradeable. Laptop comes with 256GB and bigger SSD is too thick to fit. There also goes a cooling plate on top. : r/thinkpad
X301, The Ultimate Rebuild
Micro Sata 64GB Ssd For IBM X300 X301 Dell XT2 Hp 2540p 2740p Hard Disk Drive | eBay
Lenovo Thinkpad X301 Laptop Hard Drive Replacement - LaptopHDS.com