Western Digital has made Cloud storage compact, secure, and portable with the My Passport Essential 500GB capacity 5400RPM 2MB cache HDD external drive with USB 3.0/2.0 port (model \u0023 WDBACY5000ABK). This hard drive has a lightweight, compact design for easy portability, making it convenient for those that need to travel with their data in hand. It features expanded digital storage and Windows plug-and-play connectivity. Western Digital My Passport Essential is compatible with Windows XP/Vista/7/8 or Mac OS X operating systems. With My Passport Essential’s ease of use, compact size, and automatic backup feature, it is an excellent storage solution for laptop users wishing to back up their data. It is also a good portable drive for backup or storage expansion purposes, both at home or while on the go. This 2.5” form factor portable external hard drive has a respectable 500GB of storage capacity, which means you can store up to 100,000 photos, 125,000 songs, or 38 hours of video. You can easily connect your laptop or desktop to the USB 3.0/2.0 port for instant access to your data, and you will not need a separate power source since this device will draw power directly from the computer. Plus, the password protection and 256-bit hardware encryption technology acts as a virtual padlock, protecting your files from any unauthorized access. With a sizeable 2MB buffer size and a highly efficient 5400RPM motor, you will enjoy ultra-fast access to your data by simply plugging in to the USB port. The Western Digital My Passport Essential 500GB portable external drives provide simple automatic and continuous backup with the WD Smartware, which works quietly in the background to protect your data while ensuring minimal usage of your computer’s resources. The continuous process ensures that files are saved as they are written or changed, so you will never miss a minute’s work. With a registered drive, you can set a drive timer, run diagnostics, and more using the Western Digital Drive Utilities. The software provides a simple, user-friendly method for backing up data. You will be able to see all the hard drive’s contents from a single screen view. The durable My Passport Essential 500GB External 5400RPM personal hard disk drives (WDBACY5000ABK) have a sleek, modern appearance with a matte black plastic shell with a glossy black spotted pattern. Additional color options are also available in blue, red, and titanium. On the top edge, you will find a USB 3.0/2.0 port to instantly plug into computers or laptops. Actual dimensions of the My Passport Essential drives are 0.6” high by 4.3” wide by 3.2” deep with a weight of 0.31 pounds. Operating temperature should be kept between 5 degrees Celsius and 35 degrees Celsius. Western Digital includes all the necessary accessories with this drive: automatic backup software, WD Security software, WD Drive Utilities software, a USB cable, a soft carrying pouch, and a Quick Install Guide.