What is the warranty period for this WD Red Pro model, and what kind of support is available if the drive encounters issues?

The WD Red Pro hard drives are backed by a 5-year limited warranty and world-class support services for hassle-free data storage.

Is the WD Red Pro 12TB hard drive compatible with NAS systems, and if so, what is the maximum number of drives recommended for optimal performance?

WD Red Pro hard drives are designed to handle the rigorous demands of high-intensity 24x7 multi-user NAS environments and increase system durability. However, the maximum number of drives recommended for optimal performance is not specified in the provided product information.

What are the specific dimensions of the WD Red Pro WD122KFBX 12TB hard drive, and will it fit in a standard 3.5" drive bay?

The dimensions of the WD Red Pro WD122KFBX 12TB hard drive are as follows: Height - 26.10mm, Width - 101.60mm, Length - 147.00mm.

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WD Red Pro 12TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive - WD122KFBX

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Capacity: 12TB

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24TB (Old Version)
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Option: Red Pro

Red Pro

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

🔥Don't forget your OS, we have Windows 11 OEM, Download and USB versions available

Overview

Specs

Reviews (2)

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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.

Model
Brand	WD
Series	Red Pro
Model	WD122KFBX

Performance
Interface	SATA 6.0Gb/s
Capacity	12TB
NAND Flash Memory Type	Hard Drive
Recording Technology	CMR
RPM	7200 RPM
Cache	512MB

Features
Features	Optimized for NAS with NASware™ Western Digital’s exclusive NASware™ technology fine tunes drive parameters to match NAS system workloads, which helps increase performance and reliability. Designed for Continuous Operation WD Red Pro hard drives are designed to handle the rigorous demands of high-intensity 24x7 multi-user NAS environments and increase system durability. Tested for Dependable Compatibility Western Digital partners with a wide range of NAS system vendors for extensive testing to ensure compatibility with most NAS enclosures. Protected against Excessive Vibration WD Red Pro drives include Rotation Vibration (RV) sensors that anticipate and proactively counteract disturbances caused by increased vibration. By dispersing excess vibration across the drive chassis, turbulence is minimized, performance is maintained and drives are protected. Built to Absorb Shock WD Red Pro hard drives include a multi-axis shock sensor to detect subtle shock events and automatically compensate with dynamic fly height technology to further protect the drives in NAS enclosures. Engineered with Industry-Leading Technology WD Red Pro 22TB1, 24TB1, and 26TB1 hard drives feature Western Digital’s proprietary OptiNAND™ technology which leverages integrated iNAND embedded flash to perform key housekeeping functions, freeing up more capacity and improving the overall drive performance. Backed by World-Class Support and Warranty As an industry-leading hard drive manufacturer, Western Digital stands behind their NAS storage solutions with the assurance of a 5-year limited warranty5 and world-class support services for hassle free data storage.
Usage	Enterprise NAS Hard Drives

Dimensions
Form Factor	3.5"
Height (maximum)	26.10mm
Width (maximum)	101.60mm
Length (maximum)	147.00mm

Additional Information
First Listed on Newegg	July 18, 2026

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Return for refund within: 30 days
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WD Red Pro 12TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive - WD122KFBX

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