Western Digital WD Purple 2TB 3.5in SATA III Surveillance HDD

Description

Overview

The Western Digital WD Purple 2TB is a 3.5-inch surveillance-optimised internal hard drive for NVRs and DVRs. Built for always-on recording, it uses WD’s AllFrame firmware enhancements and is rated for sustained workloads typical of video systems. The drive delivers a low-power, low-noise profile suitable for small businesses, installers and home surveillance setups.

Key features

• Optimised for 24/7 surveillance: firmware and hardware tuned to reduce video frame loss.
• SATA III (6 Gb/s) interface with 64MB cache and 5400RPM performance class.
• Workload rating up to 180 TB/year to handle continuous write environments.
• Three-year limited warranty from Western Digital (regional terms apply).

Technical details

• Formatted capacity: 2 TB.
• Form factor: 3.5-inch internal HDD.
• Interface: SATA III (6 Gb/s); sustained host-to-drive rate ~145 MB/s.
• Cache: 64 MB; Performance class: 5400 RPM class.
• Power (average): Read/Write 4.4 W; Idle 4.1 W; Standby/Sleep 0.4 W.
• Reliability: load/unload cycles 300,000; non-recoverable read errors <1 in 10^14.
• Operating temperature: 0 to 65 °C; physical dimensions (max): 147 x 101.6 x 26.1 mm.