Western Digital 16TB DC HC550 Surveillance Drive (Renewed) – 3.5" SATA 6Gb/s, 7200 RPM

Overview

Explore the Western Digital 16TB DC HC550 Surveillance Drive, a purpose-built internal HDD designed for DVR, NVR, and NAS environments. This renewed 3.5-inch drive combines a steady 7200 RPM spin, a generous 512MB cache, and a high-density helium-sealing design to support demanding surveillance workloads while maintaining efficient operation across large storage arrays.

Performance highlights

• 7200 RPM and a 512MB cache deliver responsive reads and writes under heavy workloads.
• Sustained transfer speeds reach up to 260 MB/s, improving real-time access and playback reliability.
• Massive 16TB capacity supports long retention periods and multi-camera setups within DVR/NVR and NAS environments.

Efficient design for surveillance and NAS

• Helium-sealing technology reduces friction and power consumption, enabling efficient large-volume storage.
• Idle power as low as 5.1W and 6.8W during read/write operations; typical operation around 6.5W.
• HelioSeal high-density design supports deployments with substantial total capacity, useful for bulk surveillance archives.

Reliability and endurance

• MTBF rated at 2.5 million hours, suitable for continuous, enterprise-level workloads.
• Annual TBW endurance up to 550 TB, aligning with heavy write scenarios common in surveillance storage.
• Energy-efficient power management helps reduce operating costs per terabyte stored.

Real-world use cases

This drive can serve as a dependable backbone for multi-camera surveillance systems, network-attached storage for archival footage, or a dedicated storage tier within mixed-workload NAS setups. While results vary by environment, users may experience improved data access stability and sustained throughput during peak recording periods.

Note: This product is renewd and designed to provide reliable performance with tested components, suitable for upgrading existing surveillance or NAS deployments where high capacity and steady operation are priorities.