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.