Description
Western Digital WD Red Pro WD221KFGX 22TB 3.5-Inch SATA 6Gb/s 7200RPM NAS Hard Drive
22TB 7200RPM NAS HDD – WD Red Pro Series
The WD Red Pro WD221KFGX is a 22TB 3.5-inch internal hard drive built for high-capacity NAS systems in business and enterprise environments. Engineered for intensive 24×7 multi-user workloads, it delivers reliable performance, scalability, and durability for RAID-optimized NAS infrastructures.
Designed specifically for NAS systems with up to 24 bays, WD Red Pro drives are ideal for organizations managing rapidly growing data volumes.
Built for Professional NAS Systems
Optimized for RAID-enabled NAS servers with unlimited bay configurations. Suitable for file sharing, backup solutions, archiving, and collaborative data environments.
Key Features
22TB Storage Capacity
3.5-Inch Form Factor
SATA 6Gb/s Interface
7200 RPM Spindle Speed
512MB Cache
CMR (Conventional Magnetic Recording) Technology
Rated for 550TB per Year Workload
Designed for Up to 24-Bay NAS Systems
Enhanced Vibration Protection
NASware Technology Optimization
5-Year Limited Warranty
High Workload & 24×7 Reliability
With a workload rating of up to 550TB per year, the WD Red Pro 22TB is engineered for high-intensity data transfer operations in multi-user NAS environments. It supports RAID array rebuilding and extended operating systems such as ZFS and other enterprise file systems.
Advanced NAS Optimization
WD Red Pro drives include vibration protection and firmware optimized for NAS systems, helping ensure stable performance in multi-bay enclosures. Western Digital partners with leading NAS vendors for compatibility testing across a wide range of NAS platforms.
Ideal Applications
Business NAS systems (up to 24 bays)
RAID storage arrays
File servers and collaboration platforms
Backup and disaster recovery systems
Virtualization storage
Large-scale data archiving
Technical Specifications
Brand: WD
Series: WD Red Pro
Model: WD221KFGX
Capacity: 22TB
Form Factor: 3.5-Inch
Interface: Serial ATA (SATA) 6Gb/s
Rotational Speed: 7200 RPM
Cache: 512MB
Recording Technology: CMR
Workload Rating: Up to 550TB/Year
Drive Type: Mechanical Hard Disk Drive (HDD)
Installation Type: Internal
Color: Red
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