WD Red Plus 4TB NAS HDD | 3.5" | SATA | 128MB Cache | CMR | WD40EFZZ

The WD Red Plus 4TB delivers enterprise-grade reliability for small to medium-sized NAS deployments. Built with NASware 3.0 technology, this drive excels in RAID-optimized environments supporting up to 8 bays, handling continuous 24/7 operation with a 180TB/year workload capacity. The 3.5-inch SATA drive employs Conventional Magnetic Recording (CMR) for superior compatibility during intensive background tasks like RAID rebuilding and ZFS scrubbing. With 128MB cache, 5400 RPM performance, and dual-plane balance control, it minimizes vibration while maintaining data integrity. RAID Error Recovery Control prevents drive fallout in multi-bay systems. Backed by a 3-year limited warranty and extensively tested across major NAS platforms, this 4TB solution provides the stability and performance your network storage infrastructure demands.

Features (Bullet-Points):
Exclusive NASware™ 3.0 Technology: Advanced firmware technology that balances performance and reliability in NAS and RAID environments.
Built for 24/7 Reliability: Designed to handle the rigorous heat and vibration of always-on NAS systems, featuring a workload rate of up to 180TB/year.
CMR Technology: Utilizes Conventional Magnetic Recording for consistent performance and better compatibility with RAID rebuilding and ZFS filesystems.
3D Active Balance Plus: Dual-plane balance control technology significantly improves overall drive performance and reliability.
RAID Error Recovery Control: Prevents drive fallout in multi-bay NAS enclosures by managing error recovery time.
Broad Compatibility: Extensive testing with a wide range of NAS partners ensures seamless integration with major NAS enclosures.

Specifications (Bullet-Points):
Capacity: 4TB
Form Factor: 3.5-inch
Interface: SATA 6 Gb/s
Cache: 128 MB
RPM Class: 5400 RPM
Recording Technology: CMR (Conventional Magnetic Recording)
Workload Rate: Up to 180TB/year
MTBF (Mean Time Between Failures): 1 Million Hours
Weight: 1.26 lbs (0.57 kg)
Warranty: 3-Year Limited Warranty