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Note for the upgrade: Please continue with the checkout if the total of upgrade options didn't add up. We will manually update the order for you after we received your order.
Note for the upgrade: Please continue with the checkout if the total of upgrade options didn't add up. We will manually update the order for you after we received your order.

Model # WD40EFZX

WD WD40EFZX 4TB Red Plus 3.5" IntelliPower 5400RPM SATA NAS Hard Drive - Interface: SATA 6 Gb/s - RPM Class: 5400 RPM - Cache: 128MB - Interface Transfer Rate: 175 MB/s - MTBF (hours): 1,000,000 - Workload Rate (TB/year): 180 - NASware 3.0 - 3 Years Limited Warranty

Manufacturer Warranty: 3 Years Limited Warranty
Manufacturer Contact Info: http://www.wdc.com/, 1800 429 861


· NASware 3.0’s advanced technology improves storage performance by increasing compatibility, integration, upgradeability, and reliability
· Dual-plane balance control technology significantly improves the overall drive performance and reliability
· RAID error recovery control to help reduce failures within NAS systems
· Supports up to 180 TB/yr workload rate
· Designed for small or medium business NAS systems in a 24x7 environment

Packed with power to handle the small- to medium-sized business NAS environments and increased workloads for SOHO customers, WD RedTM Plus is ideal for archiving and sharing, as well as RAID array rebuilding on systems using ZFS and other file systems. Built and tested for up to 8-bay NAS systems, these drives give you the flexibility, versa-tility, and confidence in storing and sharing your precious home and work files.

WD WD40EFZX 4TB Red Plus 3.5" IntelliPower 5400RPM SATA NAS Hard Drive - Desktop Overview 1