4TB WD Purple Surveillance Internal Hard Drive 4U Dimensions(Front) : 128

Dimensions(Front) : 128

Support Hi-PoE 60W

Supports emergency door release(EDR)

Built-in Smart-Card reader

4×4 MU-MIMO – Simultaneously transfers data to multiple devices for 4x faster performance

4TB WD Purple Surveillance Internal Hard Drive 4U Dimensions(Front) : 128Features: WD Purple surveillance storage is built to handle up to 64 cameras per drive and is designed for 24 7 always on high definition surveillance security systems Engineered specifically for surveillance security systems Tuned for write intensive low bitrate high stream count applications typical to most surveillance applications Prioritized write operations for maximized surveillance performance