Only SSDs with M.2 Key-B or Key-B and M connector of any size can be connected to the chassis.
https://botland.com.pl/moduly-i-zestawy-raspberry-pi-4b/16579-raspberry-pi-4-model-b-wifi-dualband-bluetooth-8gb-ram-15ghz-765756931199.html
https://botland.com.pl/obudowy-do-raspberry-pi-4b/17273-obudowa-do-raspberry-pi-4b-aluminiowa-z-wentylatorem-argon-one-m2-szara-5904422328597.html