WD221PURP
Original price was: $1,179.99.$728.95Current price is: $728.95.
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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 is designed to deliver dependable and consistent performance for surveillance systems that are always on.
This enormous 22 TB 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 DigitalWD221PURP 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, data can be written and retrieved 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 is capable of supporting 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, the Western Digital WD221PURP is built 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 your high-density video surveillance needs. 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 | 2 lbs |
|---|---|
| Dimensions | 10 × 8 × 5 in |
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