WD221PURP
Original price was: $2,656.99.$1,593.95Current price is: $1,593.95.Each
Western Digital WD221PURP 22TB Purple Pro Surveillance Hard Drive
- 22TB CMR storage for always-on NVR and AI video workloads
- 7200 RPM performance with a 512MB cache
- Supports up to 64 HD cameras and 32 AI streams
- Rated for workloads up to 550TB per year
- Description
- Technical Specifications
- Product Resources
- Additional Information
- Collsam Brands
- Reviews
Description
Western Digital WD221PURP, a 22 TB Purple Pro Surveillance Internal Hard Drive designed specifically for high-density video surveillance applications. This 3.5-inch SATA enterprise-class drive delivers dependable and consistent performance for surveillance systems that are always on.
This enormous 22 TB Purple Pro hard drive is ideal for AI-enabled Network Video Recorders (NVRs) and deep learning servers. For those seeking hardware with the model code WD221PURP, this product stands out. Moreover, it excels for surveillance usage.
One of the standout features of the Western Digital WD221PURP is its use of Conventional Magnetic Recording (CMR) technology. This technology eliminates the write-speed penalties often associated with Shingled Magnetic Recording (SMR). So, anyone looking for the advanced CMR option should check the WD221PURP model. Consequently, the drive writes and retrieves data more quickly. This allows for smooth and seamless playback of high-quality video footage.
At a 7200 RPM rotational speed and paired with a massive 512 MB cache buffer, this hard drive delivers sustained data rates of up to 265 MB/s. As a result, it supports up to 64 single-stream HD cameras.
Additionally, it can handle 32 concurrent AI streams. For those who prioritize frame drop reduction, the WD221PURP Western Digital model offers this specialized optimization. It improves overall performance, even in demanding deep-learning analytics scenarios.
In addition, Western Digital built the WD221PURP to handle robust multi-stream recording environments. It has a workload rating of up to 550 TB per year. The WD221PURP is a great fit if you seek robust, enterprise-class storage.
Trust in the Western Digital WD221PURP for high-density video surveillance applications. When considering options for new NVR equipment, the WD221PURP model from Western Digital offers massive storage capacity. In addition, it provides advanced technology and reliable performance.
| GENERAL | |
| Formatted capacity | 22TB |
| Form factor | 3.5-inch |
| Advanced Format (AF) | Yes |
| Recording Technology | CMR |
| RoHS compliant | Yes |
| PRODUCT FEATURES | |
| Cameras supported | Up to 64 HD |
| Al streams | 32 |
| Firmware feature name | AllFrame AI |
| Tarnish-resistant components | Yes |
| PERFORMANCE | |
| Interface transfer rate (max) | |
| Buffer to host | 6 Gb/s |
| Host to/from drive (sustained) | 265 MB/s |
| Cache (MB) | 512 |
| RPM | 7200 |
| RELIABILITY / DATA INTEGRITY | |
| Load/unload cycles | 600,000 |
| Annualized workload rating | Up to 550 TB/yr |
| Non-recoverable read errors per bits read | <1 in 10^15 |
| MTBF | 2,500,000 |
| Limited warranty (years) | 5 |
| POWER MANAGEMENT | |
| Average power requirements (W) | |
| Read/Write | 6.9 |
| Idle | 5.6 |
| Standby and Sleep | 1.2 |
| ENVIRONMENTAL SPECIFICATIONS | |
| Temperature | |
| Operating | 32°F (0°C) to 149°F (65°C) |
| Non-operating | -40°F (-40°C) to 158°F (70°C) |
| Shock (Gs) | |
| Operating (2 ms, read/write) | 40 |
| Operating (2 ms, read) | 40 |
| Non-operating (2 ms) | 200 |
| Acoustics (dBA) | |
| Idle | 20 |
| Average Seek | 32 |
| PHYSICAL DIMENSIONS | |
| Height (in./mm, max) | 1.028 inches (2.61 cm) |
| Length (in./mm, max) | 5.787inches (14.7 cm) |
| Width (in./mm, ± .01 in.) | 4 inches (10.16 cm) |
| Weight (lb/kg, ± 10%) | 1.48 lb (0.67 kg). |
Additional information
| Weight | 3 lbs |
|---|---|
| Dimensions | 7 × 5 × 3 in |
Brand
Western Digital
Western Digital provides storage solutions designed for continuous video surveillance and professional security systems. WD Purple hard drives support continuous recording from compatible security cameras. Surveillance hard drives are engineered for demanding workloads where recorded video must remain available around the clock. WD Purple Pro provides higher-capacity storage options for advanced surveillance environments, while an NVR storage drive supports dependable recording in compatible network video recorders.
WD Purple hard drives provide storage for residential, commercial, and enterprise security applications. Surveillance hard drives support sustained recording workloads and multiple camera streams. WD Purple Pro models address larger systems and demanding video workloads. An NVR storage drive can provide the capacity required for extended video retention.
Collsam Security provides Western Digital storage products for new surveillance installations, recorder upgrades, and replacement projects. Available capacities support different camera counts, recording requirements, retention periods, and professional video-security applications.
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