Seagate EXOS X18 18TB 6Gb/s SATA 7.2K RPM 256MB 512e/4Kn 3.5"

Seagate EXOS X22 22TB SATA 6Gb/s 7200RPM Hard Disk Drive 512E/4KN - Single Drive

Seagate Part# ST22000NM001E

Hard Drives - Internal – Hard Drive - 512 MB Buffer - No Wireless LAN - Exos X22 - SATA - SATA/600 - 7200 Spindle Speed (rpm) - Internal - 3.5" Form Factor - Video Surveillance System - Storage System - 22 TB Storage Capacity

Seagate Exos X20 20TB 6Gb/s SATA (512e/4Kn) Hard Disk Drive

Seagate Part# ST20000NM007D

Hard Drives - Internal – Hard Drive - 256 MB Buffer - No Wireless LAN - Exos X20 - SATA - SATA/600 - 7200 Spindle Speed (rpm) - Internal - Storage System - Video Surveillance System - 20 TB Storage Capacity - 168000IOPS ...

Seagate Exos X20 18TB 6Gb/s SATA SED Hard Disk Drive

Seagate Part# ST18000NM004D

Hard Drives - Internal – Hard Drive - 256 MB Buffer - No Wireless LAN - Exos X20 - SATA - SATA/600 - 7200 Spindle Speed (rpm) - Internal - Storage System - RAID Controller - Video Surveillance System - 18 TB Storage Capacity ...