The 4TB Network HDD Retail Kit from WD features a WD Red internal HDD equipped with a SATA 6 Gb/s interface along with a large 4TB storage capacity giving you fast access to a large amount of data. This drive is designed for optimal performance in 24/7 NAS environments. Along with enhanced NAS performance you also benefit from enhanced energy efficiency, greatly reducing the cost involved in running a variety of NAS solutions.
Limited 3-Year Manufacturer Warranty
WD 4TB Network HDD Retail Kit (WD40EFRX, Red Drive)