Western Digital 4TB WD Red Plus NAS Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, CMR, 64 MB Cache, 3.5" - WD40EFRX

About this item

Available in capacities ranging from 1-14TB with support for up to 8 bays
5400RPM performance class
Supports up to 180 TB/yr workload rate*| * Workload Rate is defined as the amount of user data transferred to or from the hard drive. Workload Rate is annualized (TB transferred ✕ (8760 / recorded power-on hours))
NASware firmware for compatibility
Small or medium business NAS systems in a 24x7 environment
3-year limited warranty
This model uses CMR technology and is being renamed “WD Red Plus” to distinguish it from the current “WD Red” product, which uses SMR technology
During this transition period, WD Red Plus devices may be delivered with a ”WD Red” label, but rest assured the device you are receiving will be the CMR-version of WD Red and can be confirmed by the model number
From the manufacturer

Tackle Intensity with WD Red Plus
Packed with power to handle the small- to medium-sized business NAS environments and increased workloads for SOHO customers, WD Red Plus is ideal for archiving and sharing, as well as RAID array rebuilding on systems using ZFS and other file systems.
For Small or Medium Businesses
Stream, backup, share, and organize your digital content with a NAS and WD Red Plus drives designed to effortlessly share content with the devices at your home or business. NASware 3.0 technology increases your drives’ compatibility with your existing network and devices. For larger businesses with up to 24-bays, count on WD Red Pro drives to deliver exceptional performance.
Product description
Packed with power to handle the small- to medium-sized business NAS environments and increased workloads for SOHO customers, WD Red 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, versatility, and confidence in storing and sharing your precious home and work files.
Legal Disclaimer
As used for storage capacity, one gigabyte (GB) = one billion bytes and one terabyte (TB) = one trillion bytes. Total accessible capacity varies depending on operating environment.