WD Elements 750GB External Hard Drive

The electrical voltage supplied to the device through its bus or power connector, expressed in volts (V). This value indicates the nominal operating voltage required by the product and can be used to verify compatibility with power supplies, adapters, or mains outlets.

Indicates whether the device receives its power supply through a bus connection such as USB, eSATA, or another standard interface. A value of "Yes" means the product can be powered directly from the bus port, while "No" indicates it requires an external power source.

The total amount of digital storage that an internal hard drive can hold, expressed as a numeric value with an appropriate unit such as GB, MB, or TB. This attribute helps users understand how much data the device’s built‑in hard drive can store and compare storage options across products.