Western Digital Purple 4 TB SATA III Hard Drive
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About This Item
- 4 TB surveillance-grade hard drive for 24/7 video recording
- 5400 RPM, 3.5″ form factor with 128 MB cache buffer
- SATA III interface for reliable high-speed data transfer
- Operating temperature range: 0 – 65 °C, storage: -40 – 70 °C
- BSMI, CE, FCC, TUV, UL certified for global compliance
- Supports up to 64 HD cameras with enhanced workload rating
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Western Digital WD40PURX | 4TB Surveillance Hard Drive
The Western Digital Purple internal hard drive 4 TB 5400 RPM 128 MB 3.5″ Serial ATA III delivers reliable, 24/7 surveillance storage engineered specifically for security systems. With WD’s AllFrame™ technology and a workload rating of up to 180TB/year, this drive is built to handle the demands of continuous video recording without frame loss or playback issues.
Slim Specs Table
| Metric | Spec. |
|---|---|
| Capacity | 4 TB |
| Interface | SATA III |
| Rotational Speed | 5400 RPM |
| Buffer Size | 128 MB |
| Operating Temperature | 0 – 65 °C |
Engineered for 24/7 Surveillance Operation
Unlike standard desktop drives, the WD Purple is designed specifically for the continuous demands of surveillance systems. The 5400 RPM spindle speed and SATA III interface deliver a sustained transfer rate of 175 MB/s, ensuring smooth video capture even when multiple cameras are recording simultaneously. The drive’s enhanced workload rating of up to 180TB/year means it can handle the constant read/write cycles that would quickly wear out a typical desktop hard drive.
AllFrame™ Technology Reduces Frame Loss
Western Digital’s exclusive AllFrame™ technology is specifically designed to improve video recording and playback in surveillance environments. This feature works with the ATA streaming command set to reduce frame loss and improve overall video capture reliability. When every frame matters for security footage, AllFrame™ helps ensure you don’t miss critical moments due to drive limitations.
Built to Withstand Harsh Surveillance Environments
Surveillance systems often operate in challenging conditions with elevated temperatures and equipment vibrations. The WD Purple drive is engineered to handle these harsh environments with an operating temperature range of 0-65°C and support for systems with more than eight drive bays. The tarnish-resistant components help maintain reliability even in continuous operation scenarios where standard drives might fail prematurely.
Wide Compatibility with Security Systems
WD Purple drives are built with compatibility in mind, supporting up to 64 single-stream HD cameras in modern DVR and NVR systems. The SATA III interface ensures broad compatibility with current surveillance equipment, while the 3.5″ form factor fits standard drive bays in most security system enclosures. This flexibility allows for easy integration into existing setups or expansion of current systems.
Box contents
- Western Digital WD40PURX 4TB Purple surveillance hard drive
- Installation guide
Check before you buy
- Confirm your surveillance system supports 3.5″ SATA III drives
- Verify your NVR/DVR has available drive bays for installation
- Check that your system’s power supply can support additional drives
- Ensure your surveillance software is compatible with drives of this capacity
Frequently Asked Questions
Q: Can this drive be used in a desktop computer?
A: While technically compatible, this drive is optimized for surveillance systems and may not perform as well in desktop applications.
Q: How many cameras can this drive support simultaneously?
A: The drive supports up to 64 single-stream HD cameras, depending on your recording settings and resolution.
Q: Is this drive suitable for 4K video surveillance?
A: Yes, the WD Purple can handle 4K surveillance footage, though recording duration will depend on your specific camera setup and compression settings.
Q: What is the difference between WD Purple and WD Red drives?
A: WD Purple is optimized for surveillance systems with AllFrame™ technology, while WD Red is designed for network attached storage (NAS) systems.
Q: Does this drive come with any backup or recovery software?
A: The drive does not include backup software as it’s designed for direct integration with surveillance systems.
The Consultant’s verdict & warranty
The Western Digital Purple 4TB surveillance drive is an excellent choice for anyone building or upgrading a security system that requires reliable 24/7 operation. Its AllFrame™ technology, enhanced workload rating, and wide compatibility make it particularly suitable for small to medium-sized surveillance setups. Covered by the standard Manufacturer Warranty.
| Certificates | |
|---|---|
| Certification | BSMI, ICES-003/NMB-003, CE, FCC, KC, Maghreb, RCM, UKCA, VCCI, CB-Scheme, TUV, UL |
| Hard drive | |
| Component for | Surveillance system |
| HDD average transfer rate | 175 MB/s |
| Certification | BSMI, ICES-003/NMB-003, CE, FCC, KC, Maghreb, RCM, UKCA, VCCI, CB-Scheme, TUV, UL |
| HDD speed | 5400 RPM |
| HDD size | 3.5" |
| HDD capacity | 4 TB |
| Features | |
| Type | HDD |
| Component for | Surveillance system |
| HDD average transfer rate | 175 MB/s |
| Interface | Serial ATA III |
| Certification | BSMI, ICES-003/NMB-003, CE, FCC, KC, Maghreb, RCM, UKCA, VCCI, CB-Scheme, TUV, UL |
| HDD speed | 5400 RPM |
| HDD size | 3.5" |
| HDD capacity | 4 TB |
| Storage drive buffer size | 128 MB |
| Operational conditions | |
| Operating temperature (T-T) | 0 - 65 °C |
| Storage temperature (T-T) | -40 - 70 °C |
| Technical details | |
| Interface | Serial ATA III |
| Weight & dimensions | |
| Width | 101.6 mm |
| Weight | 550 g |
| Height | 26.1 mm |
| Depth | 147 mm |
| Other features | |
| Interface | Serial ATA III |
| Certification | BSMI, ICES-003/NMB-003, CE, FCC, KC, Maghreb, RCM, UKCA, VCCI, CB-Scheme, TUV, UL |
| Identifiers | |
| Additional EANs | 5715328209633 |
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