WD Red NAS Storage
NAS Hard Drive

The next generation of hard drives for home or small office network attached storage systems.

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Product Review

WD Red NAS Storage
NAS Hard Drive

The next generation of hard drives for home or small office network attached storage systems.

WD Red

Expanded solutions
Our formula of success has led growth of WD Red into higher capacities and expansion into new 2.5-inch solutions. We now offer a broader, more comprehensive portfolio of NAS hard drives for our customers. It is not just about NAS drives, it is REDvolutionary.

Next-generation experience
Every component, line of code, and product decision was built on our passion and determination to deliver the best NAS experience. The next generation of WD Red hard drives delivers on this promise with massive capacity and NASware 2.0, which further improves drive reliability and protects your data in the event of a power loss or disruption.

Experienced in NAS
With superior technology that is driven to impress, WD Red is a reflection of the most extensive NAS partner compatibility-testing list that is available on the market.* That means when you buy a NAS enclosure, you can trust that WD Red will be the most compatible drive available. Our pride is in our product and our vision is shared with our customers.

*Data reflects products in production as of August 2013.

WD Red Mobile
Product Features

Exclusive NASware 2.0 technology
Our exclusive technology, NASware 2.0, makes WD Red thrive in the demanding small-NAS environment. By adding WD Red to your NAS system, not only is everything more efficient and reliable, you can better protect your data investment.

The right choice
WD Red is designed specifically for home and small office NAS systems and PCs with RAID.

Enhanced reliability
Since your NAS system is always on, a highly reliable drive is essential. With a 35% MTBF improvement over standard drives, the WD Red drive with NASware 2.0 is designed for the 24x7 environment.

NAS compatibility
Advanced firmware technology built into every WD Red drive, NASware 2.0 enables seamless integration, robust data protection and optimal performance for systems operating in NAS and RAID environments.

The secret is the next-generation technology
WD's next-generation NASware 2.0 technology improves NAS storage performance by reducing common hard drive concerns in NAS systems including concerns for things like compatibility, integration, upgrade ability, reliability and cost of ownership that are experienced with a hard drive designed for desktop computers.

Energy efficient and money saving
We keep power consumption low which keeps your NAS system happy and your wallet, too.

Lower operating temperatures
Reduce your electricity bill with WD Red drives. Innovative technology reduces power consumption and lowers the operating temperature, resulting in a more reliable and affordable solution for always on NAS environments.

Need help? We offer premium support
Every WD Red hard drive comes with our world-class professional support services including a premium dedicated 24/7 support line (available in English, other regional support hours vary).**

**Support outside of normal business hours is available in English only.

The WD advantage
WD puts our products through extensive Functional Integrity Testing (F.I.T.) prior to any product launch. On average, each new product goes through 600,000 hours of testing. WD also has a detailed Knowledge Base with more than 1,000 helpful articles. You can also call toll-free support 7 days per week in the U.S. and Canada. See the WD Support site for full details.

Upgrading your drive is easy
WD Acronis TrueImage, available as a free download on the WD Support site, enables you to copy all your data to a new drive so you don't have to reinstall your operating system to get all the benefits of a new drive.

WD Certified

WD-certified packaging
All WD drives purchased from Amazon.com are shipped in WD-certified hard drive packaging. It is designed and fully tested to provide WD products with the highest of safety while in transit. With WD-certified packaging, you can rest assured that your WD hard drive will arrive safely, fully protected, in a non-descript, easy-open package.

Recommended use
WD Red NAS hard drives are recommended for use in home and small office 1-5 bay NAS systems. For systems that use more than 5 bays or are rack mount solutions, please consider WD datacenter hard drives.***

***WD hard drives are designed and tested for use in specific applications and environments. This ensures that your hard drive is compatible with and functions properly in your application. Our hard drives are warranted against defects in materials and workmanship in the system for which they were designed. Use in systems other than for what the hard drive was designed could result in compatibility problems that affect proper function, unrelated to material and/or workmanship defects. For best results, be sure to select the appropriate product for your application by consulting our product spec sheets on our website at www.wd.com or by calling our customer support line where we would be happy to help you through the selection process.

Ideal for:
  • Small NAS environments 1 to 5 bay
  • RAID configurations

Features at a glance

  • Next-generation NAS experience with NASware 2.0 and up to a massive 4 TB capacity
  • Most extensive NAS partner compatibility-testing list available*
  • Expanded NAS solutions with 3.5-inch and 2.5-inch form factors
  • Improved drive reliability and data protection in the event of a power loss or disruption
  • Premium 24x7 support
You might also consider:


2.5-inch Internal
Comparison Chart

WD Blue

WD Green

WD Black

WD Black2

WD Red
Big capacity for portable computing. Cool, quiet operation with massive capacity. Desktop-class performance for notebook computers. The must have solution for your single-bay PC. The right drive for home or small office NAS.
Ideal for Notebooks, external enclosures and certain industrial applications. Custom-built enclosures and other applications that require cool and quiet operation. Notebook computers. Notebooks and all-in-one computers. Small office and home office, 1-5 bay NAS systems.
Type HDD HDD HDD Dual Drive HDD
Capacity range 250 GB €“ 1 TB 1.5 TB €“ 2 TB 160 GB €“ 750 GB 120 GB SSD + 1 TB HDD 750 GB €“ 1 TB
Interface SATA 6 Gb/s
SATA 3 Gb/s
SATA 6 Gb/s
SATA 3 Gb/s
SATA 6 Gb/s
SATA 3 Gb/s
SATA 6 Gb/s SATA 6 Gb/s
Form factor 2.5-inch 2.5-inch 2.5-inch 2.5-inch 2.5-inch
Height 7 mm
9.5 mm
15 mm 9.5 mm 9.5 mm 9.5 mm
Cache 8 MB
16 MB
8 MB 16 MB n/a 16 MB
Highest notebook capacity
Highest performance
Photo/video editing
Network Storage Systems


  • Support for up to 8 bays
  • 5400RPM performance class
  • Supports up to 180 TB/yr workload rate*| * Workload Rate is defined as the amount of user data transferred to or from the hard drive. Workload Rate is annualized (TB transferred ✕ (8760 / recorded power-on hours))
  • NASware firmware for compatibility
  • Small or medium business NAS systems in a 24x7 environment
  • 3-year limited warranty
  • This model uses CMR technology and is being renamed “WD Red Plus” to distinguish it from the current “WD Red” product, which uses SMR technology
  • During this transition period, WD Red Plus devices may be delivered with a ”WD Red” label, but rest assured the device you are receiving will be the CMR-version of WD Red and can be confirmed by the model number

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