Western Digital Purple (WD40PURZ) 4TB 5400RPM 64MB SATA 6Gb/s Hard Drive

When you need a surveillance system that never misses a moment, storage reliability becomes the biggest worry. The Western Digital Purple (WD40PURZ) 4TB 5400RPM 64MB SATA 6Gb/s Hard Drive is a purpose-built hard drive designed for 24-hour video recording, giving you the peace of mind that every camera feed is safely stored and instantly playable.

Key Features of a 4TB Hard Drive

• Capacity: 4 TB. Plenty of space to keep weeks of high-definition footage without frequent overwrites.
• Spindle Speed: 5400 rpm. Provides steady data flow while keeping power use and heat low.
• Buffer Size: 64 MB. Helps smooth video writes, reducing the chance of dropped frames.
• Interface: SATA 6 Gb/s. Fast connection ensures quick data transfer to your NVR.
• Form Factor: 3.5 in. Fits standard surveillance enclosures and bays.
• Power Consumption: 5.1 W read/write, 4.5 W idle, 0.4 W standby/sleep. Low energy draw lowers operating costs.
• Operating Temperature: 32 °F - 149 °F. Handles the heat generated by always-on cameras.
• Shock Tolerance: 250 g non-operating, 30 g operating. Stands up to vibrations and accidental bumps.
• Sound Emission: 25 dBA. Quiet operation means the drive won’t add noise to your environment.
• Workload Rate: up to 180 TB/yr, supports up to 64 cameras. Engineered for heavy, continuous video streams.

Why Choose a Western Digital Hard Drive

If you run a small business, a retail store, or a home security setup, you know how frustrating it is to lose footage when the drive can’t keep up. Many generic drives stall under constant write loads, forcing you to replace them often. Western Digital’s surveillance-grade hard drive is built for the relentless demands of video recording, so you can expand your camera count without worrying about storage bottlenecks or premature failures.

Benefits of Western Digital Hard Drive

• Reliability: 24 × 7 operation ensures your system records without interruption.
• Longevity: Low non-recoverable error rate (1 per 10¹⁴) means fewer unexpected failures.
• Energy Efficiency: Minimal power draw reduces electricity bills and heat output.
• Quiet Performance: Low sound emission keeps the environment calm, even in office settings.
• Compatibility: Works with a wide range of NVR enclosures and chipsets for easy installation.

Usages of a 4TB Hard Drive

A 4 TB hard drive of this calibre is perfect for any surveillance environment that needs continuous recording-whether it’s a retail shop monitoring aisles, a small office protecting entry points, a school campus covering multiple zones, or a home setup with dozens of IP cameras. Its capacity and endurance let you store long periods of footage while supporting up to 64 cameras, making it a versatile choice for both current needs and future expansion.

Specifications