Western Digital WD Red 4TB NAS Internal Hard Drive - 5400 RPM Class, SATA 6Gb/s, SMR, 256MB Cache, 3.5" - WD40EFAX

Brand :WD Series :Red Model :WD40EFAX Packaging :Bare Drive Interface :SATA 6.0Gb/s Capacity :4TB Recording Technology :SMR RPM :5400 RPM Cache :256MB Features :Specifically designed for use in NAS systems with up to 8 baysSupports up to 180 TB/yr workload rateNASware technology for compatibilitySmall and home office NAS systems in a 24x7 environment Usage :For NAS systems Form Factor :3.5" Height (maximum) :26.10mm Width (maximum) :101.60mm Length (maximum) :147.00mm