Pros

  • Green hard drives inside
  • Easy-access, user-replaceable drives

Cons

  • Rotational speed can vary to save power

At A Glance

Two-drive device comes configured for disk mirroring, to maximize value to those seeking redundant backup.

Manufacturer’s Description

Secure your vital data with WD's My Book Mirror Edition dual-drive storage system with RAID Mirroring. With RAID-based continuous data protection, automatic data backup software, and user-serviceability, this is the perfect backup system for your irreplaceable data.

Manufacturer’s Website

http://www.westerndigital.com

The Specs

Pricing
Part Number WDH2U20000N
Storage
Drive size 2000.0 GB
Hard Drive Speed 7200.0 RPM
Ports and Connections
Available Interfaces USB 2.0
USB 2.0 Yes
Included Software
Included Software Automatic Backup
General
Buffer Size 16.0 MB
Hardware
Installation Kit Hardware USB Cable

Performance

PC World Test Center
Interface tested USB 2.0
Performance
Test Version 2.0
External Write - Files and Folders 143.41
Primary Volume - Virus Scan 215.33
External Write - Large File 139.5
External Read - Files and Folders 128.25
External Read - Large File 109.21
Primary Volume - Windows File Search 111.81