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WD Red 4TB 3.5" SATA NAS Hard Drive

  • Optimised for use in 1-5 bay NAS enclosures
  • NASware technology provides 24x7 performance
  • SATA-III 6Gb/s interface / 64MB Cache
  • 3 Year Warranty

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Mfr part code: WD40EFRX

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    WD Red 4TB 3.5" SATA NAS Hard Drive Product Description

    WD RED - 4TB NAS HDD

    The 4TB WD RED is a high-quality HDD that delivers incredible performance thanks to its easy to use 3.5inch form factor that is just 26.1mm in height, the drive uses IntelliPower. The WD RED HDD's technical highlight is it's 6Gb/s interface, which is the latest SATA III standard. This drive in particular has a storage capacity of 4TB and has a 64MB Cache with an access time of 2ms.

    NETWORK IT IN RED

    Our formula for success at WD has led to the growth of the WD RED making it available in the highest capacities possible. Now up to 8TB, WD offers an even broader, more comprehensive portfolio of NAS solutions for our customers spanning from a total of 1 to 8 bays. This will allow you to store even more data for your home or small business. The WD RED family just got bigger.

    DESIGNED FOR NAS

    WD RED is the only hard drive designed for NAS systems that have 1-8 drive bays. The drives are designed and extensively tested for compatibility in the unique 24x7 operating environment and demanding system requirements of home and small office NAS. WD eliminates the confusion. These drives are designed for personal, home, and small business NAS systems up to 8-bays.

    NASWARE GROWS TO 3.0

    Built off of our determination to deliver the best NAS experience, NASware 3.0 extends our promise by further optimizing WD RED for the NAS environment with added support for 6 to 8 NAS bays. WD RED now supports small NAS systems from 1 to 8 bays thanks to NASware 3.0, which further improves drive compatibility and reliability. At 64TB of total capacity in an 8 bay system, WD RED expands your NAS experience.

    NAS FOR HOME

    Take your connected home environment to the next level with a NAS system that is equipped with WD RED hard drives and enjoy streaming your media, backing up your computers, file sharing and managing your digital content faster and easier. The WD RED NASware 3.0 experience with increased compatibility makes sharing from your mobile device, computer, TV, stereo and more an instant gratification. WD RED enables you to create your own reliable Personal Cloud.

    NAS FOR BUSINESS

    Increase the efficiency and productivity of your small business with WD RED hard drives for your 1 to 8 bay NAS system. WD RED comes equipped with NASware 3.0, which increases system compatibility allowing for seamless integration with your existing network infrastructure. Add value to your business by enabling your employees to quickly share their files and back up folders reliably with WD RED NAS hard drives. For medium to large business that use up to 16 bay NAS systems, use WD RED Pro.

    NAS COMPATIBILITY

    Advanced firmware technology built into every WD RED drive, NASware 3.0 enables seamless integration, robust data protection and optimal performance for systems operating in NAS and RAID.

     

    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 3.0 is designed for the 24x7 environment.

    The WD formula of success has led the growth of the Red NAS range into higher capacities and expansion into new 2.5-inch solutions. WD now offer a broader, more comprehensive portfolio of NAS hard drives, it is not just about NAS drives any more, it is REDvolutionary.

    • 3.5" Form Factor
    • SATA-III Interface
    • Intellipower = A balance of spin speed, transfer rate designed to save power and maximise performance
    • 64MB Cache

    Next generation experience
    Every component, line of code, and product decision was built on WD's 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 power disruption.

    WD Red Is Ideal for:
    Specifically designed and tested for small office and home office, 1-5 bay NAS systems, small media servers and PCs with RAID.

    Experienced in NAS
    In all the cultures around the world, first impressions are what leave a mark. 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.

    NAS for home
    Take your connected home environment to the next level with a NAS system that is equipped with WD Red hard drives and enjoy streaming your media, backing up your computers, file sharing and managing your digital content faster and easier.
    WD Red's NASware 3.0 experience with increased compatibility makes sharing from your mobile device, computer, TV, stereo and more an instant gratification. And with capacities now available in 4 TB, a 5-bay NAS system can hold close to 20 terabytes of data!

    NAS for small business
    Increase the efficiency and productivity of your small business with WD Red hard drives for your 1 to 5 bay NAS system. WD Red comes equipped with NASware 3.0, which increases system compatibility allowing for seamless integration with your existing network infrastructure. Add value to your business by enabling your employees to quickly share their files and back up folders reliably with WD Red NAS hard drives in your NAS solution.

    Exclusive NASware 3.0 technology
    WD's exclusive technology, NASware 3.0, 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 get to enjoy a REDvolutionary NAS experience.

    3D Active Balance Plus
    WD's 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.

    The right choice
    The right choice for NAS, no other drive 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 desktop drives, the WD Red drive with NASware 3.0 is designed and manufactured to be a more reliable and robust solution.

    NAS compatibility
    Advanced firmware technology built into every WD Red drive, NASware 3.0 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 3.0 technology improves NAS storage performance by reducing common hard drive concerns in NAS systems. This includes concerns for things like compatibility, integration, upgrade ability, reliability and cost of ownership that are experienced with a hard drive designed for desktop computers.

    Longer warranty coverage
    WD Red hard drives are backed by a 3-year limited warranty for greater peace of mind.

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

    Lower operating temperatures
    Reduce your electricity bill and carbon footprint 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 24x7 NAS environments.

    Need help? WD offer premium support.
    Every WD Red hard drive comes with our world-class professional support services including a premium dedicated 24/7 support line and a 3-year limited warranty.

    Technical Specifications

    Power

    Power Consumption (Active) 4.5 Watt
    Power Consumption (Idle) 0.4 Watt
    Power Consumption 4.5 Watt (read) ¦ 4.5 Watt (write) ¦ 3.3 Watt (idle) ¦ 0.4 Watt (sleep)

    General

    Interface SATA 6Gb/s
    Features Native Command Queuing (NCQ), IntelliPower, Advanced Format technology, NAS compatible, NASware technology, 3D Active Balance Plus, S.M.A.R.T.
    Device Type Hard drive - internal
    Capacity 4 TB
    Form Factor 3.5" x 1/3H
    Buffer Size 64 MB
    Width 101.6 mm
    Depth 147 mm
    Height 26.1 mm
    Weight 680 g

    Reliability

    Start / Stop Cycles 600,000
    MTBF 1,000,000 hour(s)
    Non-Recoverable Errors 1 per 10^14
    Load / Unload Cycles 600,000

    Expansion & Connectivity

    Interfaces 1 x SATA 6 Gb/s - 7 pin Serial ATA
    Compatible Bays 1 x 3.5" x 1/3H - internal
    Compatible Bay 3.5" x 1/3H

    Environmental Parameters

    Max Operating Temperature 65 °C
    Min Operating Temperature 0 °C
    Shock Tolerance 65 g @ 2ms (operating) / 250 g @ 2ms (non-operating)
    Sound Emission 25 dBA

    Manufacturer Warranty

    Service & Support Details Limited warranty - 3 years
    Service & Support Limited warranty - 3 years

    Performance

    Drive Transfer Rate 600 MBps (external)
    Internal Data Rate 150 MBps

    Miscellaneous

    Compliant Standards RoHS

    Compatibility Information

    Designed For WD My Cloud EX2 ¦ WD My Cloud EX4

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