WD Purple Pro 22TB, WD221PURP

WD Purple™ Pro Smart Video Hard Drive

• The WD Purple™ Pro HDD, with OptiNAND™ technology in 22TB1, delivers big capacity in a drive engineered for advanced, AI-enabled, always-on smart video recorders, appliances, and servers.
• Western Digital's exclusive AllFrame™ AI technology improves ATA streaming to help reduce frame loss and improve overall video playback.
• WD Purple™ Pro drives are optimized to handle up to 64 single-stream HD cameras2 as well as many of the latest smart cameras that transmit multiple streams.
• With a workload rating up to 550TB/year3, these drives are built to keep up with heavy video data capture and analysis.
• The reliable WD Purple™ Pro is engineered with an MTBF of up to 2.5 million hours4 for advanced smart video solutions that operate in 24/7 environments.
• Western Digital Device Analytics™ provides a wealth of storage device parametric operational and diagnostic data to compatible systems.

TECHNICAL SPECIFICATIONS

Product Specifications Model number WD221PURP Interface SATA 6 Gb/s Formatted capacity 22TB Form factor 3.5-inch Advanced Format (AF) Yes Recording Technology CMR RoHS compliant Yes Product Features Maximum drive bays supported No Limit Camera Support Up to 64 HD AI Streams 32 Firmware Feature Name AllFrame AI Tarnish resistant components Yes Performance Interface transfer rate (max) Buffer to host 6 Gb/s Interface transfer rate (max) Host to / from drive 265 MB/s Cache (MB) 512 MB RPM 7200 Reliability/Data Integrity Load/unload cycles 600 000 Annualized Workload Rate(TB/year) Up to 550 TB/year MTBF (hours) 2 500 000 Limited warranty (years) 5 years Physical Dimensions Height (max) (in / mm) 1.028 / 26.1 Length (max) (in / mm) 5.787 / 147 Width (± .01 in.) (in / mm) 4 / 101.6 Weight (± 3% ) (lb / kg) 1.48 / 0.67

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