The Western Digital WD40PURX is a purpose-built surveillance hard drive engineered for continuous video recording in security systems, DVRs, and NVRs. Featuring a 4TB storage capacity, 5,400 RPM spindle speed, SATA 6Gb/s interface, and 64MB cache, this 3.5-inch hard drive is optimized to support always-on surveillance environments with reliable performance and efficient video data management.

Powered by Western Digital's Purple surveillance-class technology, the WD40PURX is designed to handle high-definition video streams from multiple cameras simultaneously. Its firmware is specifically tuned for surveillance workloads, helping reduce frame loss, improve playback quality, and ensure dependable recording in 24x7 operation. The drive supports low power consumption and enhanced durability, making it an ideal choice for home, commercial, and enterprise security installations.

The WD40PURX delivers the reliability required for modern surveillance systems while providing ample storage capacity for extended video retention periods. Compatible with a wide range of DVR and NVR platforms, it offers a cost-effective storage solution for security professionals and organizations seeking dependable video surveillance storage.

Key Features:

• 4TB storage capacity
• 5,400 RPM spindle speed
• SATA III 6Gb/s interface
• 64MB cache buffer
• 3.5-inch Large Form Factor (LFF)
• Designed specifically for surveillance applications
• Supports 24x7 continuous recording
• Optimized for DVR and NVR systems
• Enhanced reliability for video workloads
• Low power consumption and reduced heat generation
• Supports multiple HD camera streams
• Minimizes video frame loss and recording interruptions
• Ideal for home, business, and enterprise security environments
• Compatible with a broad range of surveillance platforms and security systems