![Amazon.com: WD 36TB My Book Duo Desktop RAID External Hard Drive HDD, USB 3.1 Gen-1 Ready, USB 3.0 Compatible - WDBFBE0360JBK-NESN : Electronics Amazon.com: WD 36TB My Book Duo Desktop RAID External Hard Drive HDD, USB 3.1 Gen-1 Ready, USB 3.0 Compatible - WDBFBE0360JBK-NESN : Electronics](https://m.media-amazon.com/images/I/81ZHSGHFYiL._AC_SY450_.jpg)
Amazon.com: WD 36TB My Book Duo Desktop RAID External Hard Drive HDD, USB 3.1 Gen-1 Ready, USB 3.0 Compatible - WDBFBE0360JBK-NESN : Electronics
![Western Digital 20TB WD Red Pro NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, CMR, 512 MB Cache, 3.5" - WD201KFGX : Electronics Western Digital 20TB WD Red Pro NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, CMR, 512 MB Cache, 3.5" - WD201KFGX : Electronics](https://m.media-amazon.com/images/I/71QR4Z7AEvL._AC_SS450_.jpg)
Western Digital 20TB WD Red Pro NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, CMR, 512 MB Cache, 3.5" - WD201KFGX : Electronics
![Western Digital has released a 20TB hard drive, the first with OptiNAND and without SMR. They can already be bought Western Digital has released a 20TB hard drive, the first with OptiNAND and without SMR. They can already be bought](https://www.cnews.cz/wp-content/uploads/2021/11/20TB-pevn%C3%BD-disk-WD-Gold-s-technologi%C3%AD-OptiNAND-1600.jpg)