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22TB Gold WD221KRYZ, 7200 RPM, SATA 6Gb/s, 512e, 512MB cache, 3.5" HDD

  • SKU: 15067954
  • Manufacturer: WESTERN DIGITAL
  • MPN: WD221KRYZ
  • Availability: USUALLY SHIPS WITHIN 3-5 DAYS
Starting At
Model WD221KRYZ
Form factor 3.5-inch
Interface SATA 6Gb/s
512n / 512e user sectors per drive 512e
Formatted capacity 22TB
OptiNAND™ technology Yes
RoHS compliant Yes
Data transfer rate (max Sustained) 291MB/s
RPM 7200 
Cache 512MB
Power Management
Average power requirements (W)
Operational 9.3W
Idle 5.7W
Power efficiency index
(W/TB, idle)
MTBF (hours, projected) 2,500,000
Annualized Failure Rate (AFR, %) 0.35
Limited Warranty 5 years
Operating temperature 5 °C to 60 °C
Non-operating temperature -40 °C to 70 °C
Shock (Read/Write)
Operating (half-sine wave, 2ms)
Non-operating (half-sine wave, 2ms) 250G
Acoustics (average)
Idle Mode
Seek Mode

20 dBA
32 dBA 
Physical Dimensions
Height (max) 26.1mm
Length (max) 147.0mm
Width (± .01 in.) 101.6mm
Weight 1.47 lb (.67 kg)
± 10%