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Western Digital

WD Red Pro NAS Hard Drive - 22TB

Model22TBSKUWD221KFGX
Storage22 TB
Weight670gms

Specifications 20 normalized

Memory & storage
Storage
22 TB
Storage Temperature
-40°C to 70°C
Connectivity
Interface
SATA
Connector
SATA
Physical & build
Weight
670gms
Dimensions (L x W x H)
147 mm x 101.6 mm x 26.1 mm
Form Factor
3.5-Inch
Cache Size
512 MB
Warranty & support
Warranty
5-Year Limited Warranty
Other
Technologies
NASware, OptiNAND, ArmorCache
Model Number
WD221KFGX
Recording Technology
CMR
Transfer Rate
up to 265 MB/s
Disk Speed (RPM)
7200 RPM
Endurance (TBW)
550 TB/year
Operating Temperature
0°C to 65°C
Certifications
BSMI, ICES-003/NMB-003, CE, FCC, KC, Maghreb, RCM, UKCA, VCCI, CB-Scheme, TUV, UL
Use Cases
Network Attached Storage (NAS)
Compatibility
RAID-optimized NAS systems with unlimited # of bays
Product Features
Handle rigorous 24×7 multi-user NAS workloads with a rating up to 550 TB/yr 3 — ideal for high-intensity AI NAS demands.
Scale from 2 TB to 26 TB 1 with enterprise-class capacity, rated up to 2.5M hours MTBF 2 for dependable, long-run reliability.
NASware technology fine-tunes drive performance and compatibility across NAS and AI NAS systems.
Time-Limited Error Recovery (TLER) keeps RAID-powered NAS and AI NAS systems running without interruption.
Proven in tower and rack-mount NAS at any bay count, backed by a 5-year limited warranty 4 .

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