Seagate Exos X20 and IronWolf Pro 20TB Expand Retail 20TB HDD Options
Seagate 20TB Exos X20 7200 rpm SATA III 6 Gb/s 3.5"
Seagate 20TB IronWolf Pro 7200 rpm SATA III Internal
Seagate Exos X20 ST20000NM007D - hard drive - 20 TB - SATA 6Gb/s - ST20000NM007D - -
Amazon.com: Seagate IronWolf Pro 20TB NAS Internal Hard Drive HDD – CMR 3.5 Inch SATA 6Gb/s 7200 RPM 256MB Cache for RAID Network Attached Storage, Rescue Services : Electronics
Seagate confirms 20TB HAMR hard disk drives have been shipped | TechRadar