Western Digital Desktop Hard Drive 2Tb Red


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Model No : WD20EFRX

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product description



WD Red™ NAS Storage Storage for 1 to 8 bay NAS solutions WD Red is designed specifically for NAS systems that have 1 to 8 drive bays in both 3.5-inch and 2.5-inch form factors. The drives are designed and extensively tested for compatibility in the unique 24×7 operating environment and for the demanding system requirements of home and small office NAS.

Fill your NAS with WD Red, then fill it with awesome. -There’s an industry-leading WD Red drive for every compatible NAS system to help fulfill your data storage needs. With drives up to 8 TB, WD Red offers a wide array of solutions for customers looking to build the biggest, best-performing NAS storage solution. Built for singlebay to 8-bay NAS systems, WD Red packs the power to store your precious data in one powerhouse unit. With WD Red, you’re ready for what’s next.

Built for optimum NAS compatibility- Our exclusive advanced firmware Desktop drives aren’t purposebuilt for NAS. But WD Red drives with NASware are. Our exclusive technology takes the guesswork out of selecting a drive. WD Red is for small NAS systems, and our unique algorithm balances performance and reliability in NAS and RAID environments. Simply put, WD Red is the most compatible drive available for NAS enclosures. But don’t take our word for it. WD Red is a reflection of the most extensive NAS partner compatibility-testing list that is available on the market.*

WD Red for Small Business- Businesses thrive on productivity and efficiency – two of the guiding principles built into the design of WD Red. It’s the hard drive of choice for 1 to 8 bay systems. NASware 3.0 allows for seamless integration with your existing network so WD Red can share and backup files at the speed of your business. And for larger businesses with up to 16 bays, count on WD Red Pro.

WD Red Pro for Big Business –If you’re looking for maximum performance in a heavy use NAS, WD Red Pro delivers the same exceptional performance for the business customer. For NAS environments with 8 to 16 bays, WD Red Pro is designed to handle an increase in workload and comes with a 5-year limited warranty.

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

Exclusive NASware™ 3.0- Not just any drive will do. In singlebay to 8-bay NAS systems, WD Red raises the bar. Get as much as 64 TB capacity, and with WD’s exclusive NASware 3.0, you can optimize every single one of them. Built into every WD Red hard drive, NASware 3.0’s advanced technology improves your system’s storage performance by increasing compatibility, integration, upgradeability, and reliability

  • Model number: WD20EFRX
  • Interface: SATA 6 Gb/s
  • Formatted capacity: 2TB
  • Form factor: 3.5-inch
  • Advanced Format (AF): Yes
  • Native command queuing: Yes
  • RoHS compliant: Yes`


Data transfer rate (max)

  • Interface speed: 6 Gb/s
  • Internal transfer rate: 147 MB/s
  • Cache (MB): 64
  • Performance Class: 5400 RPM Class

Reliability/Data Integrity

  • Load/unload cycles: 600,000
  • Non-recoverable read errors per bits read: <1 in 1014
  • MTBF (hours): 1,000,000

Power Management

  • 12VDC ±10% (A, peak): 1.73
  • 5VDC ±10% (A, peak): –

Average power requirements (W)

  • Read/Write: 4.1
  • Idle: 2.7
  • Standby/Sleep: 0.4

Environmental Specifications

Temperature (°C)

  • Operating: 0 to 65
  • Non-operating: -40 to 70

Shock (Gs)

  • Operating (2 ms, read/write): 30
  • Operating (2 ms, read): 65
  • Non-operating (2 ms): 250

Acoustics (dBA)

  • Idle: 23
  • Seek (average): 24

Physical Dimensions

  • Height (in./mm): 1.028/26.1
  • Length (in./mm): 5.787/147
  • Width (in./mm, ± .01 in.): 4/101.6
  • Weight (lb./kg, ± 10%): 1.32/0.60
  • Warranty: 3 Years

Additional information