WD WD40PURX Western Digital 4TB Purple Surveillance Hard Drive
Secure your business or home with the WD Western Digital Purple 4TB Surveillance Internal Hard Drive (WD40PURX). Engineered explicitly for high-temperature, always-on, 24/7 smart video monitoring setups, this 3.5-inch hard drive provides reliable high-definition video capture for home and commercial surveillance arrays. Unlike traditional desktop hard drives built for short operational intervals, the WD Purple 4TB drive is structurally optimized to withstand constant write cycles, extreme thermal shifts, and continuous chassis vibrations common in multi-bay DVR and NVR recorders.
Key Features & Technology
- Optimized for Smart Security Systems: Tailored specifically to handle the persistent workload and intensive write speeds required by modern surveillance configurations.
- Exclusive AllFrame™ Technology: Equipped with customized ATA streaming command firmware to drastically reduce pixelation, frame dropouts, and playback pauses, ensuring you capture critical footage flawlessly.
- Support for Up to 64 HD Cameras: Engineered to grow with your needs, this 4TB drive is scalable enough to process simultaneous video feeds from up to 64 high-definition security cameras.
- IntelliSeek™ & Energy Efficient Operation: Calculates optimal seek speeds to drastically lower power usage, minimizing heat generation and structural vibrations inside compact, crowded server racks.
- Broad Ecosystem Compatibility: Rigorously tested and built to match standard industry frame-chassis, mainboards, and leading security manufacturer DVR architectures.
- Mainstream Digital Video Recorders (DVR) for small businesses, retail shops, and homes
- Network Video Recorders (NVR) logging multi-channel continuous HD video streams
- Always-on, looping security station arrays supporting up to 8 active storage drive bays
- Centralized surveillance arrays needing energy-efficient, low-vibration internal components
Official Product Overview
See how Western Digital Purple hard drives deliver trusted, heavy-duty performance for round-the-clock smart video capturing:
Technical Specifications
| Specification Field | Details |
|---|---|
| Brand | Western Digital (WD) |
| Series / Family | WD Purple Surveillance Series |
| Model Number | WD40PURX / WD42PURZ |
| Formatted Capacity | 4 TB (4,000 GB) |
| Form Factor | 3.5-inch Internal HDD |
| Interface Type | SATA III 6 Gb/s |
| Spindle Speed Profile | 5400 RPM Class |
| Cache Buffer | 64 MB / 256 MB (Model batch dependent) |
| Max Sustained Transfer Rate | Up to 150 MB/s / 175 MB/s |
| Supported Camera Feeds | Up to 64 HD Security Cameras |
| Supported Drive Bays | Up to 8 Drive Bays |
| Annual Workload Rating | Up to 180 TB/year |
| Load/Unload Cycles | 300,000 minimum |
| Operating Temperatures | 0°C to 65°C |
| Dimensions (H x L x W) | 26.1 mm x 147 mm x 101.6 mm |
Ideal Applications
The WD Purple 4TB surveillance storage drive is recommended and fully optimized for:
Original: $847,000.00
-65%$847,000.00
$296,450.00
Description
Secure your business or home with the WD Western Digital Purple 4TB Surveillance Internal Hard Drive (WD40PURX). Engineered explicitly for high-temperature, always-on, 24/7 smart video monitoring setups, this 3.5-inch hard drive provides reliable high-definition video capture for home and commercial surveillance arrays. Unlike traditional desktop hard drives built for short operational intervals, the WD Purple 4TB drive is structurally optimized to withstand constant write cycles, extreme thermal shifts, and continuous chassis vibrations common in multi-bay DVR and NVR recorders.
Key Features & Technology
- Optimized for Smart Security Systems: Tailored specifically to handle the persistent workload and intensive write speeds required by modern surveillance configurations.
- Exclusive AllFrame™ Technology: Equipped with customized ATA streaming command firmware to drastically reduce pixelation, frame dropouts, and playback pauses, ensuring you capture critical footage flawlessly.
- Support for Up to 64 HD Cameras: Engineered to grow with your needs, this 4TB drive is scalable enough to process simultaneous video feeds from up to 64 high-definition security cameras.
- IntelliSeek™ & Energy Efficient Operation: Calculates optimal seek speeds to drastically lower power usage, minimizing heat generation and structural vibrations inside compact, crowded server racks.
- Broad Ecosystem Compatibility: Rigorously tested and built to match standard industry frame-chassis, mainboards, and leading security manufacturer DVR architectures.
- Mainstream Digital Video Recorders (DVR) for small businesses, retail shops, and homes
- Network Video Recorders (NVR) logging multi-channel continuous HD video streams
- Always-on, looping security station arrays supporting up to 8 active storage drive bays
- Centralized surveillance arrays needing energy-efficient, low-vibration internal components
Official Product Overview
See how Western Digital Purple hard drives deliver trusted, heavy-duty performance for round-the-clock smart video capturing:
Technical Specifications
| Specification Field | Details |
|---|---|
| Brand | Western Digital (WD) |
| Series / Family | WD Purple Surveillance Series |
| Model Number | WD40PURX / WD42PURZ |
| Formatted Capacity | 4 TB (4,000 GB) |
| Form Factor | 3.5-inch Internal HDD |
| Interface Type | SATA III 6 Gb/s |
| Spindle Speed Profile | 5400 RPM Class |
| Cache Buffer | 64 MB / 256 MB (Model batch dependent) |
| Max Sustained Transfer Rate | Up to 150 MB/s / 175 MB/s |
| Supported Camera Feeds | Up to 64 HD Security Cameras |
| Supported Drive Bays | Up to 8 Drive Bays |
| Annual Workload Rating | Up to 180 TB/year |
| Load/Unload Cycles | 300,000 minimum |
| Operating Temperatures | 0°C to 65°C |
| Dimensions (H x L x W) | 26.1 mm x 147 mm x 101.6 mm |
Ideal Applications
The WD Purple 4TB surveillance storage drive is recommended and fully optimized for:












