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

About this item Engineered for mainstream surveillance systems WD AllFrame technology delivers optimizations for write-intensive, low bit-rate, high stream-count workloads typical to mainstream surveillance applications Supports up to 180 TB/yr workload rate(3) | (3) Workload Rate is defined as the amount of user data transferred to or from the hard drive. Workload Rate is annualized (TB transferred ? (8760 / recorded power-on hours)). Workload Rate will vary depending on your hardware and software components and configurations. Support for up to 16 bays(7) | (7) 1TB through 2TB support up to eight bays; 3TB and above support up to 16 bays. Tarnish-resistant components(6) | (6) Tarnish resistant components for capacities 3TB and higher.   The WD WD43PURZ 4TB WD Purple Surveillance Internal Hard Drive is designed specifically for security and surveillance systems. With a 256MB cache and SATA 6 Gb/s interface, it offers reliable, high-speed performance for 24/7 video recording and playback. Engineered for use in NVRs and DVRs, this 3.5-inch hard drive supports up to 64 HD cameras, making it ideal for demanding surveillance environments. Its advanced AllFrame technology reduces frame loss and enhances video playback. The WD Purple series is built to withstand continuous operation, providing reliable, long-lasting storage for security professionals.