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Western Digital Red 4TB NAS Hard Drive 3.5 Inch SATA III, 64MB Cache - WD40EFRX 620.0000

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Western Digital Corporation an American computer data storage company and one of the largest computer hard disk drive ma... more details

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Regular Price: AED 629.00

Special Price AED 620.00

  • Specifically designed for use in NAS systems with up to 8 bays

  • Tested for 24x7 reliability

  • NASware firmware for compatibility

  • Small and home office NAS systems in a 24x7 enviornment



WD Red was the original color of NAS. 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 solutions for our customers. 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 power disruption. It is not just about NAS drives, it is REDvolutionary.

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 8TB, WD Red offers a wide array of solutions for customers looking to build the biggest, best-performing NAS storage solution. Built for single-bay 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.

Exclusive NASware 3.0

Not just any drive will do. In single-bay to 8-bay NAS systems, WD Red raises the bar. Get as much as 64TB 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.

Built for optimum NAS compatibility

Desktop drives aren't purpose-built 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.

Additional Info

Additional Info

Name Western Digital Red 4TB NAS Hard Drive 3.5 Inch SATA III, 64MB Cache - WD40EFRX
Brand Western Digital
Model NAS Hard Drive
Part No. WD40EFRX
Color Red
Interface SATA III
Capacity 4 TB
  • Storage Capacity: 4TB
  • Data Transfer Rate: 6 Gb/s Buffer to Host (max); 145 MB/s Host to/from drive (typical)
  • Form Factor: 3.5 inch
  • Buffer Size: 64 MB
  • Compatibility: Windows/Mac/Linux
Form Factor 3.5"
Dimensions (mm) 147 x 101 x 25 mm


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