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W D Red Plus 4TB WD40EFZZ NAS Internal Hard Drive

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Western Digital WD Red Plus WD40EFZZ 4TB NAS Hard Drive – 3.5-inch SATA 6Gb/s, 5400RPM, 128MB Cache and CMR Technology

Western DigitalBrand: Western Digital
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Model
WD40EFZZ
Approx.₹22,990

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₹19,483.05 + GST (18%) · GST invoice available

Key features

  • 4TB storage capacity for NAS, backup and centralized file storage
  • 3.5-inch internal hard drive with SATA 6Gb/s interface
  • 5400RPM rotational speed with transfer speeds up to 180MB/s
  • 128MB cache for efficient data access and smooth file transfers
  • CMR recording technology for consistent NAS performance and RAID workloads
  • Designed for RAID-optimized NAS systems with up to 8 drive bays
  • Suitable for home offices, power users and small-to-medium business NAS environments
  • WD NASware technology for improved compatibility and reliable integration
  • 180TB per year workload rating and 1 million hours MTBF
  • 3-year limited warranty
  • Model: WD40EFZZ
4TB NAS HDD | CMR | 5400 RPM | SATA 6Gb/s

Western Digital WD Red Plus 4TB WD40EFZZ NAS Internal Hard Drive

The WD Red Plus 4TB WD40EFZZ is a 3.5-inch internal NAS hard drive designed for dependable always-on storage in compatible RAID-optimized NAS systems. Its CMR recording technology, 128MB cache and 5400 RPM class performance make it a practical choice for home offices, power users and small-business storage.

Use this 4TB SATA hard disk to expand shared files, backups, media libraries and private-cloud storage. WD NASware technology is tuned for NAS workloads, helping the drive work reliably in supported multi-bay systems.

Buy WD Red Plus 4TB WD40EFZZ from NationalPC
Western Digital WD Red Plus 4TB WD40EFZZ NAS hard drive

Built for Reliable 4TB NAS Storage

WD Red Plus drives are engineered for storing, protecting and sharing growing data in NAS environments. The WD40EFZZ model is designed for 24/7 operation in RAID-optimized systems with up to eight drive bays, making it suitable for centralised backups, file sharing, media streaming and home-office or small-business storage.

4TB CapacityRoom for backups, shared folders, media libraries and archival data.
CMR RecordingConventional magnetic recording for predictable NAS and RAID use.
Up to 180MB/sInternal transfer rate up to 180MB/s with a 128MB cache.
NASware TechnologyTuned to support compatibility, performance and reliability in NAS workloads.

Designed for Always-On NAS Workloads

Unlike a general desktop hard drive, the WD Red Plus family is positioned for continuous NAS operation. The WD40EFZZ is rated for workloads up to 180TB per year, offers a 1 million-hour MTBF rating and carries a 3-year limited warranty. These characteristics make it a strong fit for properly configured NAS storage where reliability, capacity and power efficiency matter.

Important: A NAS drive is part of a complete data-protection plan. For important data, keep separate backup copies in addition to RAID redundancy.
Western Digital WD Red Plus WD40EFZZ 4TB hard drive label and SATA connector view

WD Red Plus 4TB WD40EFZZ Specifications

ModelWD40EFZZ
Product SeriesWestern Digital WD Red Plus NAS Hard Drive
Capacity4TB
Form Factor3.5-inch internal hard drive
InterfaceSATA 6Gb/s
Recording TechnologyCMR
Disk Speed5400 RPM
Cache128MB
Transfer RateUp to 180MB/s
NAS SupportRAID-optimized NAS systems with up to 8 bays; NASware technology
Workload RatingUp to 180TB/year
MTBF1,000,000 hours
Operating Temperature0°C to 65°C
Warranty3-Year Limited Warranty

Expand Your NAS with WD Red Plus 4TB Storage

Choose the exact Western Digital WD40EFZZ 4TB NAS hard drive for compatible RAID storage, shared data and dependable always-on workloads.

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Approx.₹22,990