Western Digital WD40EFRX WD Red NAS Hard Drive - Hard drive - 4 TB - internal - 3.5 inch - SATA 6Gb/s - buffer: 64 MB - for WD My Cloud EX2, EX4
Brand: Western Digital

Exclusive Nasware technology, NAS storage performance by reducing common hard drive concerns in NAS systems including concerns for things like compatibility, integration, up grade ability, reliability and cost of ownership that are experienced with a hard drive designed for desktop computers

4Tb 5400Rpm 64Mb Sata 6 Gb/S Red