Description WD Purple Surveillance Hard Disk Drive Built for 24/7, always-on, high-definition security systems with Western Digital 4TB Purple Surveillance HDD. With a supported workload rate of up to 180 TB/yr and support for up to 64 cameras, WD Purple drives are optimized for surveillance systems. Engineered for compatibility Western Digital 4TB Purple Surveillance HDD are built for compatibility with chassis and chip set manufacturers for seamless integration into your new or existing video surveillance system. Optimized performance for up to 64 cameras With support for up to 64 surveillance cameras per hard drive, WD Purple gives you the flexibility to upgrade and expand your security system in the future. Surveillance storage for peace-of-mind Western Digital 4TB Purple Surveillance HDD are designed for high temperature, always-on, surveillance security systems to help ensure reliability and quality video play back when you need it most. Specification Hard Disk Buffer size 64 MB Idle Mode 25 (dBA)7 Interface type SATA 6 Gb/s Rotational speed IntelliPower * Seek Mode 0 26 (dBA)7 Internal or External Internal Capacity (GB) 4000 GB Warranty: 02 years
