![Amazon.com: Western Digital 18TB WD Gold Enterprise Class Internal Hard Drive - 7200 RPM Class, SATA 6 Gb/s, 512 MB Cache, 3.5" - WD181KRYZ & 18TB WD Red Pro NAS Internal Hard Amazon.com: Western Digital 18TB WD Gold Enterprise Class Internal Hard Drive - 7200 RPM Class, SATA 6 Gb/s, 512 MB Cache, 3.5" - WD181KRYZ & 18TB WD Red Pro NAS Internal Hard](https://m.media-amazon.com/images/I/51101Y99WAL.jpg)
Amazon.com: Western Digital 18TB WD Gold Enterprise Class Internal Hard Drive - 7200 RPM Class, SATA 6 Gb/s, 512 MB Cache, 3.5" - WD181KRYZ & 18TB WD Red Pro NAS Internal Hard
![Amazon.com: Western Digital 18TB WD Red Pro NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, CMR, 256 MB Cache, 3.5" - WD181KFGX : Electronics Amazon.com: Western Digital 18TB WD Red Pro NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, CMR, 256 MB Cache, 3.5" - WD181KFGX : Electronics](https://m.media-amazon.com/images/I/91GjpEmVSzL.jpg)
Amazon.com: Western Digital 18TB WD Red Pro NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, CMR, 256 MB Cache, 3.5" - WD181KFGX : Electronics
WD Purple Pro WD181PURP - hard drive - 18 TB - SATA 6Gb/s - WD181PURP - Internal Hard Drives - CDW.com
![Dell Emc KPVDN 18TB 7.2K RPM SATA 6Gbps 512e 3.5in Hot-plug Hard Drive with 14G kit - ServerSupply.com Dell Emc KPVDN 18TB 7.2K RPM SATA 6Gbps 512e 3.5in Hot-plug Hard Drive with 14G kit - ServerSupply.com](https://www.serversupply.com/images/item/369306.jpg)
Dell Emc KPVDN 18TB 7.2K RPM SATA 6Gbps 512e 3.5in Hot-plug Hard Drive with 14G kit - ServerSupply.com
Seagate Exos X18 ST18000NM000J 18 TB Hard Drive Internal SATA SATA600 Storage System Video Surveillance System Device Supported 7200rpm 5 Year Warranty 1 Pack - Office Depot
![Amazon.com: Seagate IronWolf Pro 18TB NAS Internal Desktop Hard Drive, SATA 6GB/s, 7200 RPM : Electronics Amazon.com: Seagate IronWolf Pro 18TB NAS Internal Desktop Hard Drive, SATA 6GB/s, 7200 RPM : Electronics](https://m.media-amazon.com/images/I/71u-HYnVslL._AC_UF894,1000_QL80_.jpg)