WD PURPLE PRO WD221PURP 22TB SATA/600 512MB cache, 265 MB/s, CMR

WD PURPLE PRO WD221PURP 22TB SATA/600 512MB cache, 265 MB/s, CMR 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