Western Digital's SMR disks won't work for ZFS, but they're okay for most NASes.
How to Fix Western Digital SMR HDD Slow Issue - Dolphin Data Lab
(Old Model) Seagate 2TB Desktop Gaming SSHD(Solid
Western Digital pricing error had hard drives selling for just $1
On WD Red NAS Drives - Western Digital Corporate Blog
Testing WD Red 4TB SMR vs CMR HDDs in a ZFS NAS Array - Skip SMR
Seagate and WD quietly introduce SMR drives, says report - Storage
Did You Buy a WD SMR Hard Drive? File Your Claim for Cash By Nov
Steps to Determine if an Internal Drive uses CMR or SMR Technology
WD Red SMR vs CMR Tested Avoid Red SMR - Page 2 of 2 - ServeTheHome
(Old Model) Seagate 4TB NAS HDD SATA 64MB Cache 3.5
SMR - worse than you thought. Very slow reads too, not just writes
Western Digital Red Pro WD102KFBX 10 TB Hard Drive
Absolute Horse - September/October 2022 by Absolute Horse Magazine