WD Purple 8TB Surveillance HDD — 256MB SATA 3.5

The Western Digital WD Purple 8TB Surveillance HDD is purpose-built for continuous recording environments, delivering reliable performance for security camera systems and NVR deployments. Engineered specifically for surveillance applications, this drive features WD AllFrame technology that optimizes performance for the write-intensive, low bit-rate, high stream-count workloads typical in modern video recording systems. With support for up to 64 HD cameras and compatibility with systems using up to 16 drive bays, this drive provides the capacity and endurance needed for comprehensive surveillance installations.

• 8TB capacity provides extensive storage for weeks or months of continuous video footage depending on camera resolution and retention requirements
• 180TB/year workload rate ensures reliable operation under constant recording conditions that would overwhelm standard desktop drives
• 256MB cache buffer and transfer rates up to 215MB/s enable smooth handling of multiple simultaneous video streams
• CMR (Conventional Magnetic Recording) technology delivers superior reliability and performance compared to SMR drives for surveillance workloads
• Wide operating temperature range (0°C to 65°C) ensures consistent performance in various installation environments

Perfect for UniFi Protect NVR deployments, small business security systems, or home surveillance setups, this drive pairs seamlessly with UniFi cameras and recording appliances. The 3-year limited warranty provides peace of mind for professional installations, while the 5640 RPM spin speed balances performance with lower power consumption and heat generation—ideal for always-on recording applications. Whether you’re building a new surveillance system or expanding storage capacity in an existing setup, the WD Purple delivers the specialized performance and reliability that continuous video recording demands.