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Western Digital Purple WD64PURZ 6TB Surveillance HDD — 3.5" SATA 6Gb/s drive engineered for 24/7 NVR and DVR operation with AllFrame technology. WD Purple drives are built for the specific demands of video surveillance: continuous write loads, elevated temperatures inside NVR enclosures, and vibration from multi-drive arrays. The exclusive AllFrame firmware reduces video frame drops during recording and playback — a common failure mode on desktop drives pressed into surveillance duty. An 180TB/year workload rating is three times that of a typical desktop drive, and tarnish-resistant components support deployments in systems with more than eight drive bays. Up to 64 simultaneous single-stream HD camera channels are supported. Key features AllFrame technology — reduces frame loss in DVR/NVR recording 180TB/year workload rating — 3× desktop drive endurance Supports up to 64 simultaneous single-stream HD cameras Up to 16 drive bays supported CMR recording technology for reliable sustained writes Tarnish-resistant components for harsh surveillance environments MTBF: up to 1 million hours Specifications Model / Part: WD64PURZ Capacity: 6TB Form factor: 3.5" Interface: SATA 6Gb/s Rotation: IntelliPower (variable) Cache: 256MB Transfer rate: Up to 175MB/s Recording technology: CMR Operating temperature: 0°C to 65°C Dimensions: 5.79" × 4" × 1.03" Weight: 570g Warranty: 2 years Need help choosing? Contact us at +27 32 586 3694 or support@audicoonline.co.za.