Western Digital 4 TB WD Red – WD40EFRX

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Amazon Price: $279.99 $159.00 You save: $120.99 (43%). (as of June 15, 2015 6:13 pm – Details). Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on the Amazon site at the time of purchase will apply to the purchase of this product.

WD Red 4 TB NAS Hard Drive SATA III 5400 RPM 64 MB Cache Bulk/OEM NAS Hard Drive

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

Expanded solutions

Western Digital 4 TB WD Red SATA III 5400 RPM 64 MB Cache Bulk/OEM NAS Hard Drive WD40EFRX

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.

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.
3D Active Balance Plus – Our enhanced dual-plane balance control technology significantly improves the overall drive performance and reliability. Hard drives that are not properly balanced may cause excessive vibration and noise in a multi-drive system, reduce the hard drive life span, and degrade the performance over time. (EFRX models only)
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 24×7 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.

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 24×7 support

Product Details

  • Product Dimensions: 5.8 x 4 x 1 inches ; 1.6 pounds
  • Shipping Weight: 2 pounds
  • Shipping: This item is also available for shipping to select countries outside the U.S.
  • ASIN: B00EHBERSE
  • Item model number: WD40EFRX
  • Date first available at Amazon.com: September 3, 2013

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