Amazon.com: Genuine Parts for Lenovo ThinkPad T570 P51s HDD SSD M.2 Adapter Caddy and Cable with Bracket (This Will not fit T580 P52s) 01AY476 01ER035 : Electronics
Lenovo ThinkPad T580 Hard Drive Replacement - iFixit Repair Guide
T580 won't turn on with M.2 NVMe SSD in WWAN slot : r/thinkpad