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Black rectangular desktop hard drive with vertical orientation

Western Digital

Western Digital WDBBGB0180HBK-NESN My Book 18TB USB 3.0 external hard drive

SKU CH-0EY3-W9BCR MPN WDBBGB0180HBK-NESN

An 18 TB desktop external hard drive with USB 3.0 interface, 256-bit AES hardware encryption, and included backup software for Windows and Mac

  • Total capacity18 TB
  • Interface typeUSB 3.0, Micro-B
  • Setup requirementsFormatted exFAT for out-of-the-box compatibility with Window
  • Product colorBlack
  • Key featuresComplete Backup Equipped with backup software for Windows an
  • Product dimensions6.72 in × 1.93 in × 5.48 in

Capacity 18TB

  • 18TB capacity stores massive photo and video libraries
  • USB 3.0 Micro-B interface delivers 5Gbps transfer speeds
  • 256-bit AES hardware encryption secures data with password protection
  • WD Backup software and Time Machine compatibility automate backups
  • Pre-formatted exFAT works instantly on Windows 10+ and macOS 11+

Capacity and purpose

The My Book desktop drive delivers 18TB of storage in a compact black enclosure. It is suited to home and office users who need a single high-capacity volume for photos, videos, music and documents. The included WD Backup software handles scheduled backups on Windows while Mac users can rely on Apple Time Machine compatibility. Password protection with 256-bit AES hardware encryption secures the data on the drive.

Interface limits

The drive connects through a USB 3.0 Micro-B port using the supplied SuperSpeed USB-A cable rated at 5Gbps. Real-world throughput will be lower than the bus maximum and is constrained by the mechanical hard disk inside the enclosure. The exFAT formatting provides immediate read and write access on both Windows and macOS without additional drivers. Performance scales with the host controller and cable quality rather than the drive electronics alone.

Setup checks

Verify that your computer runs Windows 10 or later or macOS 11 or later for native support. A free USB-A port is required for the supplied cable; systems with only USB-C ports will need a suitable adapter or cable not included in the box. The drive requires the bundled AC adapter for power so a mains outlet must be available. Reformatting may be necessary for operating systems other than Windows and macOS.

How it compares

Measured against everything we stock in High-Capacity External Drives, at today’s prices. Recalculated every night.

Price $596.99
Pricier than about 70% of the 144 comparable items (median $379.99).
Total capacity 18 TB
Higher than about 75% of the 101 comparable items (median 12 TB).
Price per TB $33.17 per TB
Cheaper than about 66% of the 101 comparable items (median $37.00 per TB).

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Specifications

Product
Brand nameWD
Product lineMy Book
Model nameWDBBGB0180HBK-NESN
Total capacity18 TB
Product colorBlack
Ports & slots
Interface typeUSB 3.0, Micro-B
Size & build
Product dimensions6.72 in × 1.93 in × 5.48 in
Product weight2.2 lb (1 kg)
Shipping weight1.29 kg
Package size224 × 203 × 66 mm
In the box
In the boxDesktop hard drive
SuperSpeed USB-A cable (5 Gbit/s)
AC adapter
Software for device management and backup with password protection
Quick install guide

Other versions of this model

5 more in the same range

Questions about this item

Should I choose the 18TB version or a smaller capacity?

The 18TB model stores the largest volume of photos, videos and documents in a single desktop drive; choose it if you need maximum space without adding a second unit.

What does the 18TB capacity mean once the drive is connected to my computer?

You gain roughly 18 terabytes of usable space for backups and files, formatted exFAT so it works immediately on Windows 10+ and macOS 11+.

The drive uses USB 3.0 Micro-B — what speed does that actually deliver?

The SuperSpeed USB-A cable supports up to 5Gbps, so real-world transfers are limited by that interface rather than the drive’s internal speed.

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