![WD 20TB My Book Duo Desktop HDD USB 3.1 Gen 1 with software for device management, backup and password protection USB-C and USB-A cables RAID 0/1, JBOD : Amazon.co.uk: Computers & Accessories WD 20TB My Book Duo Desktop HDD USB 3.1 Gen 1 with software for device management, backup and password protection USB-C and USB-A cables RAID 0/1, JBOD : Amazon.co.uk: Computers & Accessories](https://m.media-amazon.com/images/I/71YB0xNOXyL._AC_SL1500_.jpg)
WD 20TB My Book Duo Desktop HDD USB 3.1 Gen 1 with software for device management, backup and password protection USB-C and USB-A cables RAID 0/1, JBOD : Amazon.co.uk: Computers & Accessories
![WD 20TB My Book Duo Desktop HDD USB 3.1 Gen 1 with software for device management, backup and password protection USB-C and USB-A cables RAID 0/1, JBOD : Amazon.co.uk: Computers & Accessories WD 20TB My Book Duo Desktop HDD USB 3.1 Gen 1 with software for device management, backup and password protection USB-C and USB-A cables RAID 0/1, JBOD : Amazon.co.uk: Computers & Accessories](https://m.media-amazon.com/images/I/71YB0xNOXyL._AC_SY450_.jpg)
WD 20TB My Book Duo Desktop HDD USB 3.1 Gen 1 with software for device management, backup and password protection USB-C and USB-A cables RAID 0/1, JBOD : Amazon.co.uk: Computers & Accessories
![Seagate ST20000NM007D Exos Enterprise (X20) 20TB SATA Hard Drive w/ 7200RPM 6Gb/s 256MB Cache (512e) Seagate ST20000NM007D Exos Enterprise (X20) 20TB SATA Hard Drive w/ 7200RPM 6Gb/s 256MB Cache (512e)](https://www.broadbandbuyer.com/images/products/seagate/seagate-exos-x20-20tb-img1.png?width=400)
Seagate ST20000NM007D Exos Enterprise (X20) 20TB SATA Hard Drive w/ 7200RPM 6Gb/s 256MB Cache (512e)
![Western Digital Ultrastar DC HC560 (7200RPM, 3.5", SATA III, 512MB Cache, SE) 20TB Internal Data Center Hard Drive - 0F38785 for sale online | eBay Western Digital Ultrastar DC HC560 (7200RPM, 3.5", SATA III, 512MB Cache, SE) 20TB Internal Data Center Hard Drive - 0F38785 for sale online | eBay](https://i.ebayimg.com/images/g/BXwAAOSwAhtj5OwM/s-l640.jpg)
Western Digital Ultrastar DC HC560 (7200RPM, 3.5", SATA III, 512MB Cache, SE) 20TB Internal Data Center Hard Drive - 0F38785 for sale online | eBay
![The Seagate IronWolf Pro 20TB is the industry's largest capacity NAS hard drive - designed for high-volume workloads with faster transfer speeds. Read more about this massive drive in our review below. : The Seagate IronWolf Pro 20TB is the industry's largest capacity NAS hard drive - designed for high-volume workloads with faster transfer speeds. Read more about this massive drive in our review below. :](https://external-preview.redd.it/l9KFmZRK7cIJXEsHMEY1AcKHhbjTfjoBFZjekJKE6LA.jpg?auto=webp&s=de744f11f37965fb4d719f072991f56fe100c14c)
The Seagate IronWolf Pro 20TB is the industry's largest capacity NAS hard drive - designed for high-volume workloads with faster transfer speeds. Read more about this massive drive in our review below. :
![Seagate IronWolf Pro 20TB NAS Internal Hard Drive, 3.5 inch, SATA III, 7200 RPM, 256MB Cache, CMR - ST20000NE000 | CCL Seagate IronWolf Pro 20TB NAS Internal Hard Drive, 3.5 inch, SATA III, 7200 RPM, 256MB Cache, CMR - ST20000NE000 | CCL](https://www.cclonline.com/images/avante/IronWolf-Pro-20TB_Front_Hi-Res.jpg?width=1600&height=1600&scale=canvas&trim.threshold=80)
Seagate IronWolf Pro 20TB NAS Internal Hard Drive, 3.5 inch, SATA III, 7200 RPM, 256MB Cache, CMR - ST20000NE000 | CCL
![20TB Performance Results - Seagate Exos X20 and IronWolf Pro 20TB HDDs: Serious Rotational Storage | Tom's Hardware 20TB Performance Results - Seagate Exos X20 and IronWolf Pro 20TB HDDs: Serious Rotational Storage | Tom's Hardware](https://cdn.mos.cms.futurecdn.net/XkEuQe6bjHwEuyNGCqfEDW.jpg)