• 4000 GB 2.5"
• Maximum data transfer rate: 5000 Mbit/s
• USB 3.2 Gen 1 (3.1 Gen 1)
• Black

 SIMPLE, FAST AND PORTABLE Reliable, easy to use high-capacity storage to go. High-capacity in a Sleek Design With up to 2TB capacity in a lightweight design, this drive is the ideal companion for users on the go. Power up with USB 3.0 USB 3.0 connectivity means you can power up without carrying a bulky power cord and plug. Plug-and-play Simplicity Works right out of the box with Windows® PC — just plug into the USB port to instantly add storage. WD QUALITY INSIDE AND OUT For years, millions of people worldwide have trusted their data to WD hard drives, and our first concern is to reliably store that data. So we build the drive to our demanding requirements for durability, shock tolerance and long-term reliability. USB 3.0 AND USB 2.0 COMPATIBILITY With this single drive you get compatibility with the latest USB 3.0 devices and backward compatibility with USB 2.0 devices as well.
Alternate Codes : WDBU6Y0040BBK-WESN, 8WDBU6Y0040BBK, 10161595, HDWES-BU6Y0040BK, 2460103