Western Digital Purple (WD40PURX) 4TB/64MB 3.5" 5400 RPM Hard Drive

When your security system must record nonstop, you need storage that never quits. The Western Digital Purple (WD40PURX) 4TB/64MB 3.5" 5400 RPM Hard Drive is a purpose-built hard drive designed for 24/7 surveillance, giving you reliable space for every camera and every hour of footage.

Benefits of Western Digital Hard Drive

You gain peace of mind knowing the drive can handle up to 180 TB of data each year without faltering. Its low-noise operation stays out of sight and ear, while the 1,000,000-hour MTBF promises years of dependable service. AllFrame 4K™ technology reduces frame loss, ensuring clear playback when you need it most. Energy-saving modes keep power costs down, and the built-in TLER prevents long error recoveries that could interrupt recording.

Key Features of a 4TB Hard Drive

• Capacity: 4 TB. Plenty of room for high-definition video from dozens of cameras.
• Buffer Size: 64 MB. Smooth data flow reduces the chance of dropped frames.
• Speed: 5400 RPM. Balanced rotation speed for quiet, efficient operation.
• Interface: SATA 6 Gb/s. Fast connection to your DVR or NVR for quick data transfer.
• Form Factor: 3.5" x 1/3H. Fits standard bays in most surveillance enclosures.
• Dimensions: 1 in H × 4 in W × 5.8 in D. Compact size saves rack space.
• Weight: 23.98 oz. Light enough for easy handling yet robust.
• Power Consumption: 5.1 W read/write, 4.5 W idle, 0.5 W standby/sleep. Low energy use.
• Temperature Range: 32 °F - 149 °F. Operates reliably even in hot server rooms.
• Features: AllFrame, TLER, IntelliSeek, IntelliPower, Advanced Format, S.M.A.R.T. - all designed to keep video streams intact.

Usages of a 4TB Hard Drive

Ideal for continuous recording in any security setup:

• DVR systems supporting up to 64 cameras.
• NVR installations that need high-definition storage.
• Small business surveillance where space and reliability matter.
• Home security rigs that run 24/7 without interruption.
• Remote sites using Acronis True Image WD Edition for easy cloning and backup.

Why Choose a Western Digital Hard Drive

Many buyers worry about drives overheating or failing under constant load, often choosing generic desktop drives that cannot cope with the relentless write cycles of video surveillance. This concern leads to lost footage and costly replacements.

The Western Digital Purple hard drive removes those doubts. With a workload rating three times higher than standard drives, built-in AllFrame 4K™ technology, and a million-hour MTBF, it is engineered to survive the heat and pressure of nonstop recording. Its 4 TB capacity and support for up to 64 cameras give you the flexibility to expand your system without compromising performance.

Specifications