Western Digital Purple 4TB Surveillance HDD | 5400 RPM | SATA Interface | 64MB/s Transfer Speed | 256MB Cache | 3.5 Inch | Model WD43PURZ | 2-Year Warranty The Western Digital Purple 4TB Surveillance HDD is engineered for 24/7 security systems, delivering exceptional reliability and performance in DVR and NVR environments. With WD’s AllFrame technology, it minimizes frame loss, reduces pixelation, and ensures smooth video playback. Perfect for both home and commercial setups, this drive supports multiple high-definition camera streams without compromising performance. Key Features: 4TB Storage Capacity: Sufficient space for storing extensive HD or 4K surveillance footage over extended periods. 5400 RPM Class Drive: Balances performance with reduced heat output for improved drive longevity in continuous operation. SATA 6Gb/s Interface: Ensures stable connectivity and transfer rates up to 64MB/s for smooth recording. 256MB Cache Memory: Improves buffering and responsiveness during simultaneous video streams. WD AllFrame Technology: Minimizes dropped frames and video interruptions for more reliable security recordings. 24/7 Operation Reliability: Designed for non-stop workloads in demanding surveillance systems. Supports Up to 64 Cameras: Ideal for residential, commercial, and enterprise-level monitoring setups. Workload Rate of 180TB/year: Handles heavy-duty video capture requirements without performance drops. Energy Efficient: Optimized for lower power consumption without sacrificing performance. 3.5-Inch Form Factor: Compatible with industry-standard DVR, NVR, and desktop enclosures. Advanced Vibration Control: Maintains performance stability in systems with multiple drives. Durable Design: Capable of withstanding elevated temperatures in continuous operation environments. 2-Year Warranty: Backed by Western Digital’s trusted service and support. Why Buy from Us – Eastern IT 100% authentic Western Digital surveillance drives from official sources. Fully tested for reliability and performance before delivery. Expert advice to match your specific storage needs. Affordable pricing for both single-unit and bulk orders. Hassle-free warranty and after-sales assistance.