Brand: Western Digital · SKU: WD40PURZ · MPN: WD40PURZ · Category: Security
The WD40PURZ is a 4TB surveillance-class hard drive from Western Digital's Purple line, engineered specifically for 24/7, always-on high-definition surveillance security systems. It features a 5400 RPM Class rotational speed, 64MB cache, and a SATA 6Gb/s interface. This drive is tuned for write-intensive, low bit-rate, high stream-count applications typical to surveillance, prioritizing write-operations for maximized performance and supporting workloads of up to 180TB/year. It is designed to handle the elevated heat fluctuations and equipment vibrations within NVR environments and supports up to 8 HDD bays, with some sources suggesting support for up to 64 HD cameras or multiple streams per camera depending on the configuration and system specifics. It includes TLER & ATA streaming support and AllFrame technology to help reduce frame loss and improve overall video playback. It typically comes with a 3-Year Limited Warranty.
| Cache | 64MB |
|---|---|
| Capacity | 4TB |
| Interface | SATA 6 Gb/s |
| Technology | AllFrame |
| Form Factor | 3.5-inch |
| Workload Rating | 180TB/yr |
| Bay Count Support | Up to 8 HDD bays (or 8+ depending on source) |
| Sustained Throughput | 150 MB/s |
| Rotational Speed (RPM) | 5400 RPM Class |
| Warranty | 3-Year Limited Warranty (as per some sources) |
| Weight | 0.68 kg |
| Dimensions | 1.028 in (H) x 4.016 in (W) x 5.787 in (L) / 26.1mm x 101.6mm x 147mm |
The WD40PURZ is a 4TB Western Digital Purple hard drive purpose-built for 24/7 surveillance systems. It features a 5400 RPM speed, 64MB cache, and SATA 6Gb/s interface, optimized for write-intensive workloads and designed to reduce frame loss with AllFrame technology.
Yes, this Western Digital WD40PURZ 4TB Purple Surveillance Hard Drive (WD40PURZ) is 100% genuine Western Digital hardware. All our products are verified by certified technicians and come with clean serial numbers ready for service contract registration.
This Western Digital WD40PURZ 4TB Purple Surveillance Hard Drive includes our standard 3-Year Warranty covering all manufacturing defects. We also offer advanced replacement options for minimal downtime.
We offer free ground shipping which typically takes 3-5 business days. Expedited shipping options are available at checkout for faster delivery.
Yes, we have a 30-day return policy on all products. Restocking fees may apply for opened items. Please see our return policy for complete details.
Please check the specifications tab for detailed compatibility information. Our technical team is available to assist with compatibility questions for the WD40PURZ.