Storage : Network Attached Storage : SKU: WD40EFZX


Manufacturer: Western Digital

Part Number: WD40EFZX

UPC: 0718037884394

Thinking of making a large purchase?

Western Digital Red Plus NAS - Hard Drive - 4 TB


Free shipping to 48 states


Estimated Delivery with free shipping by:

Friday August 26th*

* If ordered today with free shipping.


  • 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
  • Built and tested for up to 8-bay NAS systems
  • Supports up to 180 TB/yr workload rate
  • NASware™ firmware for compatibility
  • Small or medium business NAS systems in a 24x7 environment
  • 3-year limited warranty

  • Specification

    Buffer Size 128 MB
    Capacity 4 TB
    Data Transfer Rate 600 MBps
    Dimensions (WxDxH) 4 in x 5.8 in x 1 in
    Features NASware technology, 24x7 continuous operation, Conventional magnetic recording (CMR)
    Form Factor 3.5"
    Interface SATA 6Gb/s
    Spindle Speed 5400 rpm
    Type Hard drive - internal
    Warranty 3 Year
    Weight 20.1 oz

    In The Box

  • Hard Drive - 4 TB