Never let a busy surveillance system miss a moment because your storage can’t keep up. The Western Digital Purple 2 TB (WD20PURZ) 5400 RPM 64 MB Hard Drive is a purpose-built hard drive designed for 24-hour video recording, giving you reliable space for every camera feed.
Usages of a 2 TB hard drive
A 2 TB hard drive fits seamlessly into small-to-medium security setups, handling up to 64 cameras in a single NVR. It records continuously, so you can review footage from any day without worrying about running out of space, making daily monitoring and incident review effortless.
Benefits of Western Digital hard drive
- Continuous recording: Keeps video streams running 24 × 7 without interruptions.
- High camera support: Handles up to 64 cameras, giving you room to expand.
- Low power draw: Consumes just a few watts, reducing heat and electricity costs.
- Quiet operation: Emits only 23 dBA, so the drive stays unobtrusive.
- Strong reliability: Rated for 300 000 load/unload cycles and 1 error per 10¹⁴ bits.
Western Digital hard drive
Choosing this hard drive means you get a storage solution engineered for the demanding environment of surveillance. Its 5400 RPM spindle and 64 MB cache deliver steady data flow, while IntelliSeek technology reduces wear and noise, extending the drive’s life. You also benefit from built-in TLER and AllFrame 4K support, ensuring smooth playback of high-definition footage when you need it most.
Key Features of a 2 TB hard drive
- Capacity: 2 TB. Provides ample room for long-term video archives.
- Spindle Speed: 5400 rpm. Balances performance with lower heat generation.
- Buffer Size: 64 MB. Helps smooth data transfer during heavy write periods.
- Interface: SATA 6 Gb/s. Guarantees fast connection to modern NVRs.
- Form Factor: 3.5". Fits standard drive bays in most security enclosures.
- Power Consumption: 4.4 W read/write, 0.4 W standby. Keeps energy use low.
- Operating Temperature: 32 °F - 149 °F. Stands up to hot server rooms.
- Shock Tolerance (operating): 30 g @ 2 ms. Resists vibrations in active environments.
- Non-Recoverable Errors: 1 per 10¹⁴. Ensures data integrity for critical footage.
- Compatibility: Supports up to 64 cameras. Gives you flexibility to grow your system.
Specifications
| Storage |
| Storage / Type | Hard drive |
| Header |
| Header / Product Line | WD Purple |
| Header / Packaged Quantity | 1 |
| Dimensions & Weight |
| Dimensions & Weight / Height | 1in |
| Dimensions & Weight / Width | 4in |
| Dimensions & Weight / Depth | 5.8in |
| Dimensions & Weight / Weight | 21.16oz |
| Environmental Parameters |
| Environmental Parameters / Min Operating Temperature | 32 °F |
| Environmental Parameters / Max Operating Temperature | 149 °F |
| Environmental Parameters / Min Storage Temperature | -40 °F |
| Environmental Parameters / Max Storage Temperature | 158 °F |
| Environmental Parameters / Shock Tolerance (non-operating) | 250 g @ 2 ms |
| Environmental Parameters / Shock Tolerance (operating) | 30 g @ 2 ms |
| Environmental Parameters / Sound Emission | 23 dBA |
| General |
| General / Capacity | 2 TB |
| General / Depth | 5.8 in |
| General / Buffer Size | 64 MB |
| General / Width | 4 in |
| General / Weight | 21.16 oz |
| General / Interface | SATA 6Gb/s |
| General / Device Type | Hard drive - internal |
| General / Form Factor | 3.5" |
| General / Features | Time-Limited Error Recovery (TLER), Advanced Format technology, HelioSeal, surveillance system compatible, 24x7 availability, Write-Intensive Endurance, AllFrame 4K |
| General / Height | 1 in |
| Expansion & Connectivity |
| Expansion & Connectivity / Interfaces | 1 x SATA 6 Gb/s |
| Expansion & Connectivity / Compatible Bay | 3.5" |
| Performance |
| Performance / Drive Transfer Rate | 600 MBps (external) |
| Performance / Spindle Speed | 5400 rpm |
| Performance / Internal Data Rate | 145 MBps |
| Reliability |
| Reliability / 24x7 Operation | Yes |
| Reliability / Non-Recoverable Errors | 1 per 10^14 |
| Reliability / Load / Unload Cycles | 300,000 |
| Hard Drive |
| Hard Drive / Internal Data Rate | 145MBps |
| Hard Drive / Form Factor | 3.5" |
| Hard Drive / Non-Recoverable Errors | 1 per 10^14 |
| Hard Drive / Spindle Speed | 5400rpm |
| Hard Drive / Interface | Serial ATA-600 |
| Hard Drive / Form Factor (Short) | 3.5" |
| Hard Drive / 24x7 Operation | Yes |
| Hard Drive / Form Factor (Short) (metric) | 8.9 cm |
| Hard Drive / Capacity | 2TB |
| Hard Drive / Data Transfer Rate | 600MBps |
| Hard Drive / Buffer Size | 64MB |
| Hard Drive / Hard Drive Type | Internal hard drive |
| Hard Drive / Form Factor (metric) | 8.9 cm |
| Power |
| Power / Power Consumption | 4.4 watt (read) ¦ 4.4 watt (write) ¦ 4.1 watt (idle) ¦ 0.4 watt (standby) ¦ 0.4 watt (sleep) |
| Summary Details |
| HDD capacity | 2 TB |
| HDD speed | 5400 RPM |
| Storage drive buffer size | 64 MB |
| HDD size | 3.5" |
| Interface | Serial ATA III |
