Seagate is planning to release 18 and 20TB HDDs in 2020: Digital Photography Review
WD 20TB Ultrastar DC HC560 7200 rpm SATA III 3.5" 0F38785 B&H
Seagate 3G5101-500 Ironwolf Pro 20TB 7.2K Rpm SATA 6Gb/s 3.5" Internal HDD - ServerSupply.com
Amazon.com: WD Ultrastar DC HC560 WUH722020ALE6L4 20 TB Hard Drive - 3.5 Internal - SATA [SATA/600] - Conventional Magnetic Recording [CMR] Method,Mechanical Hard Disk : Electronics
Seagate confirms 20TB HAMR hard disk drives have been shipped | TechRadar
Amazon.com: Seagate Exos X20 20TB SATA HDD SATA 6Gb/s 7200 RPM (ST20000NM007D) : Electronics
Seagate IronWolf Pro ST20000NE000 - Hard drive - 20 TB - internal - 3.5" - SATA 6Gb/s - 7200 rpm - buffer: 256 MB - with 3 years Seagate Rescue Data Recovery | Dell USA
20TB and 18TB hard drives emerge from Western Digital | Fierce Electronics
Seagate 20TB Exos X20 7200 rpm SATA III 6 Gb/s 3.5"
Toshiba 20TB 3.5" SATA3 HDD-T20T-MG10ACA20TE Internal Enterprise Hard Drive
Seagate 20TB 3.5” SAS3 HDD-A20T-ST20000NM002D Internal Enterprise Hard Drive
Western Digital 20TB ePMR Hard Drives with OptiNAND - ServeTheHome
Seagate IronWolf Pro 20TB Internal SATA NAS Hard Drive with Rescue Data Recovery Services ST20000NE00A/ST20000NEA00 - Best Buy
WD easystore 20TB External USB 3.0 Hard Drive Black WDBAMA0200HBK-NESN - Best Buy
WD Red Pro WD201KFGX - hard drive - 20 TB - SATA 6Gb/s - WD201KFGX - Internal Hard Drives - CDW.com