WD40EFRX replacement in Synology ds414

One of the disks in my DS414 equipped with
4 * WD40EFRX-68WT0N0 have failed, bad sectors.
Which disk should I replace it with?
Is is necessary to use a CMR disk?

Hi @sophya42 ,

Please refer to the WD Red Drive: Third Party Enclosure User Interface Failed Message: WD Red Drive: Third Party Enclosure User Interface Failed Message

Also, Please contact the WD Technical Support team for best assistance and troubleshooting:https://support-en.wd.com/app/ask

Thank you very much👍