Western Digital's SMR disks won't work for ZFS, but they're okay for most NASes.
WD Red Plus NAS Drives - The NAS SMR Issue Solution?
Testing WD Red 4TB SMR vs CMR HDDs in a ZFS NAS Array - Skip SMR
SMR - worse than you thought. Very slow reads too, not just writes
Did You Buy a WD SMR Hard Drive? File Your Claim for Cash By Nov
SMR - worse than you thought. Very slow reads too, not just writes
Testing WD Red 4TB SMR vs CMR HDDs in a ZFS NAS Array - Skip SMR
Did You Buy a WD SMR Hard Drive? File Your Claim for Cash By Nov
Asustor Flashstor NVMe SSD NAS Drive Review – Should You Buy
WD Red CMR vs SMR - Synology & QNAP Write Tests
WD Red NAS Drives and SMR - UPDATE
Western Digital Red Drive review
WD 3 TB SATA lll Caviar Hard Drive - Blue : Electronics
Western digital RE 3 TB Enterprise Hard Drive: 3.5
WD Red NAS Drives and SMR - UPDATE
WD rebrands its Red hard drives after getting hit with a lawsuit