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Seagate SkyHawk™ 3.5" Internal Hard Drives are specialized surveillance-optimized drives designed for 24/7 workloads in DVR and NVR environments. While various models exist across these capacities, recent high-performance variants featuring a 256MB cache and 5400 RPM spindle speed (or similar energy-efficient profiles) are widely used for multi-camera systems

• Rotational Speed: Optimized at 5,400 RPM or 5,900 RPM to reduce heat, vibration, and power consumption, which is critical for 24/7 reliability.
• Cache: Large 256MB buffer (available on models like the 2TB ST2000VX017 and 4TB ST4000VX016) helps manage high-stream counts without dropping frames.
• Interface: Standard SATA 6Gb/s for broad compatibility with modern security recorders.
• Workload Rating: Engineered for 180TB/year, which is 3x the rating of standard desktop drives, supporting up to 64 HD cameras.
• ImagePerfect™ Firmware: Dedicated firmware that prioritizes write operations to ensure smooth video streaming and minimize downtime