WD PURPLE PRO WD221PURP 22TB, SATA III 3.5", 512MB 7200RPM, 265MB, 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