WD 4TB Red Plus 5400 rpm SATA III 3.5" Internal NAS HDD (OEM)

The WD 4TB Red Plus 5400 rpm SATA III 3.5" Internal NAS HDD (OEM) is designed to manage the workloads of RAID-optimized NAS systems with up to 8 drive bays, making it well suited for home offices and power users, small to medium businesses, and both consumer and commercial NAS environments. This 4TB drive uses a SATA III 6 Gb/s interface, includes a 128MB cache, and runs at 5400 rpm, helping deliver continuous data transfer speeds of up to 180 MB/s. It is also built for strong reliability, featuring 600,000 load/unload cycles, less than 1 in 10^14 non-recoverable read errors per bits read, a workload rate of 180TB per year, dual-plane balance control technology, and a 1 million hour MTBF. WD’s NASware technology helps improve system compatibility, making Red Plus drives easier to integrate into existing network infrastructure, while dual-plane balance control also helps protect against noise and vibration.