Western Digital WD My Book Desktop External Hard Drive (USB 3.0, 3.5 inch)

Capacity

Price

$401.99

Per TB$33.50

AmazonBuy on Amazon

Reasons to buy

  • High capacities in a single desktop enclosure simplify large backups.
  • Bundled Western Digital software covers backup, encryption, and utilities on supported systems.
  • USB SuperSpeed interface with practical backward compatibility on many PCs and Macs.
  • Strong retail presence, so spare cables and support articles are easy to find.

Reasons to avoid

  • Requires wall power, so it is a poor fit for purely mobile workflows.
  • One mechanical drive means no redundancy; pair with a second copy or cloud tier for important data.
  • Included software and supported features vary by capacity, firmware, and region.
  • Not designed for frequent transport compared with portable rubber bumper drives.
Western Digital WD My Book Desktop External Hard Drive (USB 3.0, 3.5 inch) (12 TB) — product photo
12 TB

Specifications

series
WD My Book
interface
USB 3.2 Gen 1 (USB 3.0 compatible), USB 2.0 compatible
encryption
256-bit AES hardware encryption with password protection when enabled via WD software
form factor
3.5 inch
manufacturer
Western Digital
warranty notes
Amazon and Newegg listings for recent capacities often cite a three year limited warranty, while some older retail bundles for smaller capacities referenced two years. Read the warranty card for your exact suffix such as NESN and confirm on Western Digital support for your country.

Researched and maintained by Hard Drive Prices Editorial Team. · Updated May 7, 2026

User ratings

  • Newegg
    4.5(9,002)
  • Amazon
    4.4(13,394)

What you're getting

WD My Book is a desktop class external hard drive meant to stay on your desk with the included AC adapter. Capacities reach well into the multi terabyte range, so one unit can hold large photo libraries, edited video projects, and full system backups without juggling a stack of smaller drives.

The enclosure connects over a SuperSpeed USB interface that stays backward compatible with older USB ports when you use the correct cable. Western Digital bundles software for backup, security, and drive health so you can schedule jobs, set a password, and check status from a familiar utility instead of hunting for third party tools.

Many listings call out 256 bit AES hardware encryption alongside password protection, which helps if the drive ever leaves your home or office. Always download the current tools from Western Digital for your operating system, because packaging and supported features can shift slightly by firmware and region.

Expect a vertical or compact horizontal chassis depending on generation, plus a separate power brick. This is not a pocket drive: it trades portability for capacity, steady power, and a price per terabyte that is often easier on a backup budget than buying many small flash devices.

Buying context

Typical value (not live pricing)

Dollar per terabyte usually improves as you climb from 4 TB toward mid teen and twenty plus terabyte SKUs, but promotions swing weekly. Treat any snapshot as a guide only and compare the exact model number at checkout.

Where this line often shows up

  • Primary Time Machine target for a single Mac desktop
  • Cold storage for finished video masters on a DIT cart between shoots
  • Nightly clone of a small business file server to rotating desktop units
  • Photo librarian offloading Lightroom originals from a fast internal SSD
  • Secondary vault beside a NAS for ransomware aware staggered backups

Features

  • Desktop form factor with AC adapter for sustained transfers without bus power limits.

  • Password protection with hardware based encryption on supported configurations when enabled in software.

  • WD Discovery environment for device management, imports, and related utilities on supported platforms.

  • WD Backup style workflows for scheduled copies on Windows and Time Machine compatibility on macOS where listed.

  • exFAT formatting on many newer retail units for out of the box Windows and Mac use; reformat if your workflow demands something else.

  • USB 3.2 Gen 1 class link speed on current retail pages, while marketing still often prints USB 3.0 on the box.