is wd 40EZRZ COMPATIBLE'

i INSTALLED 2 wd 40EZRZ COMPATIBLE HDD IN QNAP TS-233
BUT GET DISK ERRORS

ARE THEY COMPATIBLE

You should only use NAS rated disks, WD Blue are not NAS rated

Also no need to write everything with caps Lock on

I do not see those disks on the TS-233 compatibility list: