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WD Red Pro 12TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive - WD122KFBX
- Available in capacities ranging from 2 to 26TB with support for NAS systems with up to 24 bays
- Supports up to 300TB/year workload rate
- Enhanced reliability with 3D Active Balance Plus technology and error recovery controls with NASware 3.0 technology
- Extended drive testing to ensure each drive is tested for extended reliable operation
- 5-year limited warranty
- Retail or OEM packing may vary
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Overview
Specs
Reviews (3)
WD Red Pro drives are engineered to handle high-intensity workloads in 24? 7 multi-user commercial and enterprise NAS environments. WD Red Pro drives deliver the performance, scalability and dependability businesses require to store, share and collaborate on large amounts of data in multi-bay RAID-optimized NAS systems.
Warranty & Returns
Warranty, Returns, And Additional Information
Return Policies
- Return for refund until: January 31, 2027
- Return for replacement until: January 31, 2027
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Manufacturer Contact Info
- Manufacturer Product Page
- Manufacturer Website
- Support Phone: 1-800-275-4932
- Support Website
- View other products from Western Digital
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The WD Red Pro WD122KFBX is a 12TB, 7200 RPM, 3.5-inch SATA hard drive designed for high-intensity, 24/7 NAS use. It suits businesses and advanced NAS users who need CMR storage for multi-user systems, including configurations with up to 24 bays.
Recommended For
- Small and medium businesses running an always-on NAS for shared files, team backups, or collaboration, where multiple users access storage throughout the day.
- NAS operators building or expanding a multi-drive RAID system who need a CMR drive designed for continuous operation, multi-user access, and vibration-prone enclosures.
- Creative teams or media archivists storing large video, photo, and project libraries on a shared NAS, especially when several people need access to the same files.
- Home-lab and data-hoarding users who keep a large NAS running for frequent storage and backups, and can place the system away from noise-sensitive rooms.
Spec Summary
| Attribute | Value |
|---|---|
| Best For | NAS storage for business and continuous multi-user operation |
| Capacity | 12 TB |
| Interface And Form Factor | Internal 3.5-inch mechanical hard drive with SATA 6.0Gb/s connectivity |
| Recording And Cache | CMR recording with 512 MB cache |
| Drive Performance | 7200 RPM, with a reported transfer and read speed of 267 MB/s and average latency of 4.2 ms |
| NAS Features | NASware tuning for NAS workloads, with rotation-vibration sensing and shock compensation |
| Physical Specifications | Maximum dimensions: 147.00 × 101.60 × 26.10 mm; item weight: 1.7 lb |
| Model Identifiers | WD Red Pro, model WD122KFBX |













