External Hard Drive WD My Book 18TB:Should you need to store more data, you will require the WD My Book 18TB external hard drive.. It boasts a capacity that is able to store a sum of 18000 GB. Its 3.5 format is good primarily for users who place the disk on a computer and do not plan to transfer it often. They are most often applied in offices and studies, and they require an additional source of power. A big advantage of a HDD is a better price-capacity ratio. However, it is necessary to mention that the drive is prone to shocks. It is therefore ideal for the office or households where it will not be moved so much. WD My Book 18TB External Hard Drive Key Features Type: HDD WD My Book 18TB requires external power source External connections interface: USB 3.2 Gen 1 (USB 3.0) Packaging includes Cable Disk capacity: 18000 GB Disk weight: 960 g WD My Book 18TB Speed and Interface For connection to a PC and data transfer, the WD My Book 18TB external drive has the USB 3.2 Gen 1 (USB 3.0) interface. Data encryption is taken care of by 256-bit hardware AES. In addition to the disk, the package has Cable. WD My Book 18TB Speed and Interface For data transfer and connection to your PC, the WD My Book 18TB disc uses the USB 3,2 Gen 1 (USB 3,0) interface. Encryption of data is taken care of by 256-bit hardware AES. along with the drive, the package includes Cable.