WD Red WD40EFRX 4 TB 3.5" Internal Hard Drive View larger

WD Red WD40EFRX 4 TB 3.5 Internal Hard Drive\"

HD-35 4000 RD 54 WD SAT

  • Specifically designed for use in NAS systems with up to 8 bays
  • Tested for 24x7 reliability
  • NASware firmware for compatibility
  • Small and home office NAS systems in a 24x7 enviornment
  • Package includes a hard drive only
  • Ships in WD-certified box for safe transit during shipping

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What are the benefits of NASware 3.0?
  • Gives you an unrivaled NAS experience
  • Enhances compatibility
  • Improves Reliability
  • Optimizes HDD for 24x7 NAS environments

WD Red - NAS Hard Drives

The Right Choice for Network Attached Storage

WD NAS hard drives are the essential solution for NAS applications. These drives are cool and quiet, and offer optimum compatibility in 24x7 NAS systems with up to eight bays.

  • Network attached storage hard drives with up to 6TB capacities
  • Designed for personal, home, and small business NAS systems up to 8-bays
  • NASware 3.0 for optimal performance and compatibility




Experienced in Network Attached Storage

No matter which NAS enclosure you decide to purchase, you can trust that WD Red hard drives will have the most comprehensive compatibility list on the market.

Recommended for up to 8-bay NAS systems

Available in up to 6 TB capacities, WD Red allows for a potential of 48 TB total storage space in an 8-bay NAS system.

NAS for home or small business

WD Red hard drives enable customers to create their own reliable Personal Cloud systems whether it\'s in the office or at home.