Western Digital 4TB WD Red Plus 5400 RPM 3.5-inch NAS Internal Hard Drive (WD40EFZZ)

The Western Digital 4TB WD Red Plus 3.5-inch NAS Internal Hard Drive (Model Part Number: WD40EFZZ) is a high-performance, enterprise-grade storage drive purpose-built for small to medium-sized business NAS environments and home office media servers. Operating on a high-speed SATA 6Gb/s interface at 5,400 RPM with 128MB cache memory, this drive delivers sustained transfer speeds up to 180 MB/s, ensuring fast file transfers and low latency for active network workloads.

Built with Conventional Magnetic Recording (CMR) technology, the WD Red Plus series is specifically engineered to handle multi-user RAID environments with up to 8 drive bays. Integrated NASware 3.0 technology fine-tunes drive parameters to match continuous 24/7 NAS operation, balancing performance, power efficiency, and thermal control while built-in 3D Active Balance Plus and Rotational Vibration (RV) sensors prevent performance degradation in multi-bay chassis setups.

Available from DataDive, your trusted Technology Hardware Supplier in Qatar, this reliable Western Digital 4TB NAS hard drive is available in our Storage collection, ideal for expanding network-attached storage capacity, media streaming, centralized backup repositories, and ZFS file system storage arrays across commercial and home network servers.

Key Features:

• Conventional Magnetic Recording (CMR) technology designed for multi-bay RAID systems up to 8 bays

• Exclusive NASware 3.0 technology optimizes drive compatibility, integration, and data reliability

• Engineered for 24/7 continuous operation with an workload rating of 180TB per year

• 3D Active Balance Plus dual-plane balance control technology minimizes vibration and noise

• High-speed SATA 6Gb/s interface with 128MB cache delivers data transfer rates up to 180 MB/s

Technical Specifications:

• Brand: Western Digital (WD)

• Product Series: WD Red Plus

• Model Part Number: WD40EFZZ

• Drive Capacity: 4 TB

• Form Factor: 3.5-inch Internal NAS Hard Drive

• Interface: SATA 6.0 Gb/s

• Spindle Speed: 5,400 RPM

• Cache Size: 128 MB

• Recording Technology: Conventional Magnetic Recording (CMR)

• Maximum Sustained Data Transfer Rate: 180 MB/s

• Supported Drive Bays: Up to 8 Bays

• Workload Rating: 180 TB / Year

• Mean Time Between Failures (MTBF): 1,000,000 Hours

• Operating Power Draw: 4.8 W (Read/Write), 3.1 W (Idle), 0.3 W (Standby/Sleep)

• Operating Temperature: 0°C to 65°C

• System / NAS Compatibility: Compatible with leading 1 to 8-bay NAS enclosures (Synology, QNAP, ASUSTOR, TerraMaster) and custom FreeBSD / FreeNAS / TrueNAS / Unraid storage builds supporting standard 3.5-inch SATA drive bays