SSD Upgrade for Lenovo ThinkPad T420 256GB/512GB/1TB/2TB | eBay
ThinkPad T420 Hard Drive Replacement - iFixit Repair Guide
Lenovo ThinkPad T420s Hard Disk Drive Replacement - iFixit Repair Guide
I bought a 2,5” SSD for my thinkpad e595 and when I've opened it, theres something in the ssd slot. I bought it just with M.2 memory, so I don't know what