![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/W/MEDIAX_792452-T2/images/I/71rYlLzn2lL.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
![Seagate 18TB Exos X18 7200 RPM SATA 6Gb/s 256MB Cache 3.5-Inch Enterprise Hard Drive HDD (ST18000NM000J) - Walmart.com Seagate 18TB Exos X18 7200 RPM SATA 6Gb/s 256MB Cache 3.5-Inch Enterprise Hard Drive HDD (ST18000NM000J) - Walmart.com](https://i5.walmartimages.com/asr/d44f44d0-1d9c-49cc-a032-f2a3de3ae80b.6f1ddcf35eb0e3334e4430d4def137c4.jpeg?odnHeight=768&odnWidth=768&odnBg=FFFFFF)
Seagate 18TB Exos X18 7200 RPM SATA 6Gb/s 256MB Cache 3.5-Inch Enterprise Hard Drive HDD (ST18000NM000J) - Walmart.com
![Amazon.com: Dell Exos X18 18TB SATA 6Gb/s 7200RPM 3.5-inch Enterprise HDD - ST18000NM002J (Renewed) : Electronics Amazon.com: Dell Exos X18 18TB SATA 6Gb/s 7200RPM 3.5-inch Enterprise HDD - ST18000NM002J (Renewed) : Electronics](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/817JPaHrC2L.jpg)