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WD Western Digital NAS WD40EFAX 4TB SATA 256M Cache 3.5 WD Red

WD WD40EFAX

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Red Model WD40EFAX

Provantage Code:  WND9084

Condition:  Factory New

  • Product Type: Hard Drive
  • Form Factor: 3.5"
  • Product Family: Red Plus
  • Product Model: WD40EFRX

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StorageNetwork StorageNAS Hard Drives

Specifications

WD WD40EFAX Specifications

    Western Digital NAS WD40EFAX 4TB SATA 256M Cache 3.5 WD Red


At a Glance

    • Specifically designed for use in NAS systems with up to 8 bays
    • Supports up to 180 TB/yr workload rate
    • NASware firmware for compatibility
    • 3-year limited warranty
    • Small and home office NAS systems in a 24x7 environment

Overview

    Fill your NAS with WD RedTM, then fill it with awesome.
    There's a leading edge WD RedTM drive for every compatible NAS system to help fulfill your data storage needs. With drives up to 10TB, WD RedTM drives offer a wide array of solutions for customers looking to build a NAS storage solution. Built for single-bay to 8-bay NAS systems, WD RedTM drives pack the power to store your precious data in one powerhouse unit. With WD RedTM drives, you're ready for what's next.

    Exclusive NASware 3.0
    Not just any drive will do. In single-bay to 8-bay NAS systems, WD RedTM drives raise the bar. Get as much as 80TB capacity, and with WD's exclusive NASware 3.0 technology, you can optimize every single one of them. Built into every WD RedTM hard drive, NASware 3.0's advanced technology improves your system's storage performance by increasing compatibility, integration, upgradeability, and reliability.

    Built for optimum NAS compatibility
    Desktop drives aren't purpose-built for NAS. But WD RedTM drives with NASware technology are. Our exclusive technology takes the guesswork out of selecting a drive. WD RedTM drives are for small NAS systems, and our unique algorithm balances performance and reliability in NAS and RAID environments. Simply put, a WD RedTM drive is one of the most compatible drives available for NAS enclosures. But don't take our word for it. WD RedTM drives are a reflection of extensive NAS partner technology engagement and compatibility- testing resulting in a leading compatibility list for NAS systems.

    Desktop drives vs. WD RedTMIn a Network Attached Storage device, a desktop hard drive is not typically designed for NAS environments. Do right by your NAS and choose the drive designed for NAS with an array of features to help preserve your data and maintain optimum performance. Take the following into consideration when choosing a hard drive for your NAS:

    • Compatibility: Without being tested for compatibility with your NAS system, optimum performance is not guaranteed.
    • Reliability: The always-on environment of a NAS or RAID is a hot one. And desktop drives aren't typically designed and tested under those conditions. WD RedTM drives are.
    • Error recovery controls: WD RedTM NAS hard drives are specifically designed with RAID error recovery control to help reduce failures within the NAS system. Desktop drives are not typically designed for RAID environments.
    • Noise and Vibration Protection: Designed to operate solo, desktop drives typically offer little or no protection from the noise and vibration present in a multi-drive system. WD RedTM drives are designed for multi-bay NAS systems.

    WD Red for Home
    Stream, backup, share, and organize your digital content at home with a NAS and WD RedTM drives designed to effortlessly share content with the devices in your home. NASware 3.0 technology increases your drives compatibility with your devices, TV, stereo, and more. Live in a connected world.

    Tackle Intensity with WD Red™ Plus
    Packed with power to handle the small- to medium-sized business NAS environments and increased workloads for SOHO customers, WD Red™ Plus is ideal for archiving and sharing, as well as RAID array rebuilding on systems using ZFS and other file systems. Built and tested for up to 8-bay NAS systems, these drives give you the flexibility, versatility, and confidence in storing and sharing your precious home and work files.

    For Small or Medium Businesses
    Stream, backup, share, and organize your digital content with a NAS and WD Red™ Plus drives designed to effortlessly share content with the devices at your home or business. NASware™ 3.0 technology increases your drives' compatibility with your existing network and devices. For larger businesses with up to 24 bays, count on WD Red™ Pro drives to deliver exceptional performance.

    Exclusive NASware 3.0
    Not just any drive will do. Get up to 112TB of capacity in your 8-bay NAS system and with Western Digital's exclusive NASware 3.0 technology, you can optimize each and every drive. Built into every WD Red™ Plus hard drive, NASware 3.0's advanced technology improves storage performance by increasing compatibility, integration, upgradeability, and reliability.

    Built for Optimum NAS Compatibility
    WD Red™ Plus drives with NASware™ technology takes the guesswork out of selecting a drive. Optimized for NAS systems, our unique algorithm balances performance and reliability in NAS and RAID environments. Simply put, a WD Red™ Plus drive is one of the most compatible drives available for NAS enclosures. But don't take our word for it. WD Red™ PLUS drives are a reflection of extensive NAS partner technology engagement and compatibility- testing.

    WD Red™ Pro for Big Business
    If you're looking for heavy duty performance for NAS, WD Red™ Pro drives deliver exceptional performance for the medium to large business customer with extreme demands. For NAS environments with 9 to 24 bays, WD Red™ Pro drives deliver uncompromising performance and unwavering assurance backed by a 5-year limited warranty.

Environmental Certification

    WEEE

    RoHS

    China RoHS


Specifications

Product NameWestern Digital NAS WD40EFAX 4TB SATA 256M Cache 3.5 WD Red
Product TypeHard Drive
Buffer64 MB
Wireless LANNo
Product FamilyRed Plus
Drive InterfaceSATA
Drive Interface StandardSATA/600
Spindle Speed (rpm)5400
Drive TypeInternal
Form Factor3.5"
Device SupportedStorage System
Storage Capacity4 TB
Environmentally FriendlyYes
Endurance (TBW)180 TB
Height1"
Width5.8"

4"

Depth4"

5.8"

Product ModelWD40EFAX

WD40EFRX

Product LineRed

Red Plus

Operating Power Consumption4.80 W

4.50 W

FeaturesIntelliPower
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WD Red Model WD40EFAX