Western Digital Purple 2TB internal hard drive purpose-built for surveillance infrastructure. The 3.5" form factor integrates seamlessly into standard DVR and NVR enclosures, while SATA connectivity ensures broad compatibility across security systems. Optimized for constant streaming workloads with IntelliPower technology balancing performance and thermal efficiency. The drive handles multi-stream recording without performance degradation, making it suitable for mid-range security deployments. WD's surveillance-grade engineering provides extended mean time between failures for mission-critical monitoring applications.