Western Digital WD Purple WD11PURZ 1TB 3.5" Surveillance Hard Drive SATA III
Western Digital
Western Digital WD Purple WD11PURZ 1TB 3.5" Surveillance Hard Drive SATA III
The Western Digital WD Purple WD11PURZ is a surveillance-class hard drive built for 24/7 recording in security systems. It withstands the heat and vibration of always-on NVR environments where standard desktop drives fail, and supports up to 64 HD cameras across surveillance networks.
Why this product
AllFrame optimises for surveillance workloads
It handles write-intensive, low bit-rate, high stream-count recording typical of security systems, not the short-interval duty cycles of consumer drives.
Rated for 180 TB/yr sustained workload
Built to run 24/7 without failure in surveillance environments, supported by a 1,000,000-hour MTBF.
3-year warranty covers surveillance use
Western Digital explicitly warrants this drive for the unique stresses of continuous surveillance recording.
Up to 64 HD cameras on one drive
It supports high camera counts in a single bay, reducing the number of drives needed in compact NVR installations.
- Capacity1TB
- Form factor3.5 inch
- InterfaceSATA 6 Gb/s
- Rotational speed5400 RPM
- Cache64 MB
- Sequential read180 MB/s
- Warranty3-year limited
- SKUWES-1758
- EAN718037896687
- NVR (network video recorder) systems from mainstream security vendors — WD Purple is tested across a wide range of models.
- Surveillance DVR systems that use SATA 6 Gb/s interface and 3.5-inch bays.
- Systems with more than 8 bays in a single unit — the drive's maximum bay support is 8, though it can work in multi-unit installations.
- Desktop PCs and laptops — this is not a general-purpose drive and is not designed for occasional-use computing.
- High-performance gaming or video editing rigs — 5400 RPM and 180 MB/s throughput are far slower than consumer or professional SSD alternatives.
Best for
- 24/7 surveillance installations where the drive will run continuously.
- Multi-camera security systems needing reliable, warm-environment storage without frequent maintenance.
- Budget-conscious surveillance setups — 1TB is cost-effective for moderate camera counts.
- Deployments in harsh environments where tarnish-resistant components reduce corrosion.
Trade-offs
- Speed-dependent workflows: 5400 RPM and 180 MB/s throughput are suited only to surveillance write patterns, not playback or retrieval of video at speed.
- Desktop or laptop use: This drive is optimised for one task (write-intensive surveillance); it is not a general-purpose system drive.
- Systems requiring more than 8 bays: Maximum supported drive bays limit density in very large installations.
WD Purple drives are designed to meet the challenges of 24x7 video surveillance recording. These drives are engineered specifically for surveillance to help withstand the elevated heat fluctuations and equipment vibrations within NVR environments. An average desktop drive is built to run for only short intervals, not the harsh 24/7 always-on environment of a high-definition surveillance system.
With WD Purple drives, you get reliable, surveillance-class storage that's tested for compatibility in a wide range of security systems.
Drive
| Brand | Western Digital |
|---|---|
| Model number | WD11PURZ |
| Capacity | 1TB |
| Form factor | 3.5 inch |
| Interface | SATA 6 Gb/s |
| Recording technology | CMR |
| Camera support | Up to 64 HD cameras |
Performance
| Rotational speed | 5400 RPM |
|---|---|
| Cache | 64 MB |
| Sequential read | 180 MB/s |
| Workload rate | Up to 180 TB/yr |
| Firmware feature | AllFrame |
Power & environment
| Operating temperature | 0°C to 65°C |
|---|---|
| Non-operating temperature | -40°C to 70°C |
| Dimensions (L x W x H) | 5.79" x 4" x 1.03" |
| Weight | 0.99 lbs |
Reliability
| MTBF | 1,000,000 hours |
|---|---|
| Non-recoverable read errors | <1 in 10^14 |
| Load/unload cycles | 300,000 |
| Warranty | 3-year limited |
Shipping
All our products are shipped from the United Kingdom within 24 to 48 hours of purchase. See our Shipping and Returns page for full details.
Returns
- Tech Syndicate offers a full money-back guarantee on all purchases made in our store. If you are not satisfied with your purchase, we will provide a full refund, no questions asked.
- Refunds are available within 45 days of delivery.
- After the 45-day period you are no longer eligible for a refund, so we encourage you to try the product within the first few weeks to make sure it fits your needs.