This external hard drive model has a maximum storage capacity of 2TB. It interfaces with computers using a USB 2.0 port that has a maximum throughput rate of 480Mbps. The WDBAAF0020EBK is a WD GreenPower drive that the vendor claims reduces power consumption by up to 30 per cent and includes special sleep modes to further lower energy use. The packaging is also made of recycled materials to minimise its environmental impact. In terms of style, the My Book Essential uses a similar and slimmer design to previous versions in the My Book series. It features a glossy piano black casing, light-up indicators on the front and the power connector, an on/off switch and interface on the rear. The unit measures 165 x 135 x 48mm and weighs 1.18kg. The hard drive comes with what the vendor claims is military-grade 256-bit AES hardware encryption, which scrambles data before it is stored on the drive. Hardware encryption is considered to be more secure from data hacking than software encryption. The My Book Essential comes with WD’s SmartWave software, which provides customisable and continuous backup. It also allows for visual backing up, which sorts data into categories like music and photos to simplify the process. The included software also allows users to run diagnostic programs as well as control the hard drive’s power settings and data security.
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