ThinkPad X240, X250 - Hard Disk Drive and Solid State Drive Replacement - YouTube
ThinkPad X240, X250 - Wireless WAN Card Replacement - YouTube
OSCOO 256GB m.2 2242 Solid State Drive Disk High Speed SATA3 6GB/s ON800 SSD mSATA Double Cut Small Internal SSD with 3 Year Warranty Compatible for for Hp 840 G1 G2, 9480M,
Intel 530 mSATA 80GB SATA III MLC Internal Solid State Drive (SSD) SSDMCEAW080A401 Internal SSDs - Newegg.com
What is the best mSATA SSD for the Thinkpad X240? : r/thinkpad