Description Read Before Ordering Description Hard drive Device type HDD File format system HFS+ Hard drive size 2.5″ Hard drive capacity 4000 GB Data transmission Data transfer rate 5000 Mbit/s USB data transfer rates 480,5000 Mbit/s Ports & interfaces USB connectivity Yes USB connector type Micro-USB B Thunderbolt technology No USB version 3.0 (3.1 Gen 1) Wi-Fi No Performance USB version 3.0 (3.1 Gen 1) Data transfer rate 5000 Mbit/s USB data transfer rates 480,5000 Mbit/s Plug and Play Yes Mac operating systems supported Mac OS X 10.10 Yosemite,Mac OS X 10.11 El Capitan,Mac OS X 10.12 Sierra,Mac OS X 10.8 Mountain Lion,Mac OS X 10.9 Mavericks Wi-Fi No Power Input voltage 5 External power adapter No USB powered Yes Software Mac operating systems supported Mac OS X 10.10 Yosemite,Mac OS X 10.11 El Capitan,Mac OS X 10.12 Sierra,Mac OS X 10.8 Mountain Lion,Mac OS X 10.9 Mavericks Security Password protection Yes Security algorithms 256-bit AES Design Colour of product Black LED indicators Yes Packaging content User guide Yes Cables included Micro-USB Operational conditions Operating temperature (T-T) 5 – 35 C Storage temperature (T-T) -20 – 65 C Technical details USB version 3.0 (3.1 Gen 1) Colour of product Black Plug and Play Yes LED indicators Yes Wi-Fi No Bundled software WD Backup, WD Security, WD Drive Utilities Weight & dimensions Weight 8.82 oz (250 g) Width 3.21″ (81.5 mm) Depth 0.846″ (21.5 mm) Height 4.33″ (110 mm) Packaging data User guide Yes Cables included Micro-USB Bundled software WD Backup, WD Security, WD Drive Utilities Other features Device type HDD View All Close Read Before Orderings Product images are for illustrative purposes only and the final product delivered may vary from the one shown above. In some cases, a product sold may arrive in different packaging than its original retail box. For bulk orders that are packaged together, product manuals or CDs may not always be available for each item. At checkout, the shipping cost is a general estimate which is subject to change depending on size/weight/quantity of ordered goods. Orders that contain end of life (EOL) products that are no longer in production may be replaced by a compatible product with the same FRU number offering same functionality. Refurbished printers may not have full ink cartridges or laser toners. Once an order is processed at our warehouse, it cannot be cancelled. A returned order will likely incur a restocking fee. See RMA page for details about restocking fees. Please note if you are concerned about any of the above conditions or have any question at all, we highly recommend that you contact us on [email protected] or call 425-615-6227 before placing an order. View All Close