
WD 4TB My Book Duo Desktop RAID External Hard Drive - USB 3.1 - 2 x HDD Supported - 20 TB Supported HDD Capacity - 4 TB Installed HDD Capacity - RAID Supported 0, 1, JBOD - 2 x Total Bays - 2 USB Port(s) - 2 USB 3.0 WDBFBE0040JBK-NESN Western Digital

Massive Capacity
The My Book™ Duo drive has up to 20TB1 capacity with a single cable. Free up valuable space on all your computers. Store and back up your photo, video and music collections, and important documents in one reliable place.
RAID 0 Ready Out of the Box
Ready to perform at maximum speed and capacity in default mode, RAID-0. Reconfigure the drive to RAID-1 for redundancy (data mirroring), or use it as two independent drives (JBOD) with the included WD Drive Utilities™ software.
RAID Optimized WD Red™ Drives
The My Book™ Duo drive comes with RAID-optimized WD Red™ drives inside to deliver high-speed, quality storage to rely on. RAID-optimized firmware is perfect for two-disk array systems with auto management of drive operations to help ensure read/write cycle data integrity.
USB 3.1 Gen 1-Ready, USB 3.0 Compatibility
Compatible with USB 3.1 Gen 1 and USB 3.0, the My Book™ Duo drive works to deliver high-speed connectivity no matter the interface. Includes both USB Type-C™ to Type-C and Type-C to Type-A cables.
USB 3.0 Hub Ports
The My Book™ Duo drive can serve as a quasi-docking station with 2x USB 3.0 Type-A hub ports for accessories, including additional storage, keyboard and mouse, card readers, USBs, or phone sync and charge.
256-bit AES Hardware Encryption and Password Protection
The My Book™ Duo drive comes with 256-bit AES Hardware Encryption with WD Security™ software built in to help keep private content secure. Set a personalized password to activate hardware encryption and data protection.
- Host Interface: USB 3.1
- Package Contents:
- 4TB My Book Duo Desktop RAID
- WD Discovery™ software for WD Backup™, WD Security™ and WD Drive Utilities™
- USB-C to USB-C Cable
- USB-C to USB-A Cable
- AC Adapter
- Disk Replacement Tool
- Quick Install Guide
- Host Interface: USB 3.1
- Product Type: DAS Storage System
- Product Type: DAS Storage System
- Manufacturer Part Number: WDBFBE0040JBK-NESN
- Manufacturer Website Address: http://www.wdc.com
- Limited Warranty: 3 Year
- Weight (Approximate): 5.05 lb
- Form Factor: Desktop
- Form Factor: Desktop
- Manufacturer: Western Digital Corporation
- Product Model: WDBFBE0040JBK-NESN
- Product Name: 4TB My Book Duo Desktop RAID
- Product Line: My Book Duo
- RAID Levels: 0, 1, JBOD
- Brand Name: WD
- Brand Name: WD
- Height: 7.1"
- Width: 3.9"
- Depth: 6.3"
- RAID Supported: Yes
- Product Family: My Book Duo
- Total Number of USB Ports: 2
- Total Hard Drive Capacity Installed: 4 TB
- Number of Hard Drives Supported: 2
- Environmentally Friendly: Yes
- Environmental Certification: RoHS
- RAID Supported: Yes
- Number of Total Expansion Bays: 2
- Total Number of USB Ports: 2
- Number of USB 3.0 Ports: 2
- Total Hard Drive Capacity Supported: 20 TB
- Total Hard Drive Capacity Installed: 4 TB
- Number of Hard Drives Supported: 2