Western Digital WD40EFRX
WD Red NAS Internal Hard Drive – 4 TB – SATA 6Gb/s
The Western Digital WD40EFRX WD Red NAS hard drive is purpose‑built for small to medium business and home users who require reliable 24×7 storage in NAS systems. Offering 4TB of capacity, SATA 6Gb/s interface, and NAS‑tuned firmware, it is engineered to handle continuous operation and demanding workloads in multi‑drive environments.
Part of the Western Digital Red family, this drive ensures compatibility with NAS enclosures up to 8 bays. With features like NASware 3.0 firmware, it delivers enhanced reliability, compatibility, and system integration — ensuring optimized performance for file sharing, backups, and media storage.
Features :
The WD40EFRX combines advanced reliability with NAS‑optimized firmware. Designed to operate in RAID arrays, it includes vibration protection, error recovery control, and energy‑efficient operation. With quiet acoustics and low heat output, it’s ideal for NAS systems that run 24×7.
Advanced Options :
The WD Red series delivers key NAS‑friendly technologies like NASware 3.0 for increased compatibility and error recovery, ensuring data integrity in RAID builds. Tuned for consistent workloads, it supports smooth streaming, backup solutions, and reliable file accessibility for connected devices across your network.
Product Key Features
- 4TB storage capacity for NAS systems
- SATA 6Gb/s interface
- 5400 RPM class drive for energy efficiency
- NASware 3.0 firmware for optimized compatibility
- Supports NAS systems up to 8 bays
- Designed for 24×7 continuous operation
- Reliability backed by Western Digital Red series
Reliability & Performance :
The Western Digital WD Red WD40EFRX is engineered to deliver unparalleled reliability in NAS systems. Its low‑noise, low‑vibration design ensures smooth operation in multi‑drive enclosures, while workload rating support and NASware firmware provide advanced reliability for continuous workloads and data integrity. With compatibility across leading NAS brands, this drive is the trusted backbone for small office and home NAS solutions.
Key Features :
- 4TB NAS‑optimized capacity
- Built for 24×7 operation
- SATA 6Gb/s interface
- 5400 RPM class spindle speed
- NASware 3.0 firmware technology
- Optimized for systems up to 8 bays
- Quality verified by Western Digital
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