buy External Hard Drive Western Digital My Book Black 4 TB HDD . The Western Digital My Book external hard drive is a storage solution designed to offer large capacity and reliable performance in a 3.5-inch format, ideal for users needing ample space for backups, multimedia files, and important documents. With a 4 TB HDD capacity, it efficiently manages large volumes of data. This device includes multiple connection options, such as USB 3.0, USB 3.2 Gen 1, and a Micro USB B port, ensuring compatibility and optimal transfer speeds with a wide range of computers and systems. Its USB 3.2 interface, backward compatible with earlier versions, enables fast transfers and stable connections, reducing waiting times when copying or accessing large files. The black exterior design offers a sober, professional finish, while its 3.5-inch size balances moderate portability and capacity without sacrificing space for high-performance internal drives. This unit is a robust choice for home and professional users seeking an external device with large storage volume that easily integrates into Windows or Mac environments (requires formatting according to the system). In short, the Western Digital My Book is a reliable and versatile external hard drive, compatible with the latest USB versions and designed to meet massive storage needs quickly and securely. Rotation speed: 7200 rpmBuffer: 64 MBSpeed: 5000 Mb/sVoltage: 12 VSize: 3,5"Type: External Hard DriveHDDSSDConnections: USB 3.0USBMicro USB BUSB 3.2USB x 3Colour: BlackSafety: AES 256-bitsCharacteristics: Plug and playData protection/PasswordFormats: exFATPower: 3600 WNot included: WiFiConnectors: KensingtonHard Drive: 4 TB HDD