WD WD43PURZ 4TB WD Purple Surveillance Internal Hard Drive HDD – SATA 6 Gb/s, 256 MB Cache, 3.5″ – WD43URZ

**WD WD43PURZ 4TB Purple Surveillance HDD**: Designed for 24/7 surveillance systems, this 3.5″ SATA 6 Gb/s hard drive offers 4TB storage, optimized for high-definition security footage. Features include **AllFrame 4K technology** to reduce frame loss, **256 MB cache** for smooth streaming, and support for up to 64 cameras. Engineered for reliability in high-temperature, always-on environments, it ensures minimal downtime with **180 TB/year workload** and vibration resistance. Ideal for NAS/RAID setups, its low power consumption and compatibility with major surveillance systems make it a durable, efficient choice for continuous recording. **USP**: Tailored for surveillance with enhanced error correction and endurance, outperforming standard desktop drives.