Western Digital WD Red Plus 4TB 3.5' NAS HDD SATA III NAS Hard Drive 5400 RPM 128MB Cache 180MB/S 180TB/Year 3Y warranty (WD40EFZZ)

Western Digital WD Red Plus 4TB 3.5' NAS HDD SATA III NAS Hard Drive 5400 RPM 128MB Cache 180MB/S 180TB/Year 3Y warranty (WD40EFZZ) · Supports NAS systems with up to 8 bays · Supports up to 180TB/year workload rate · NASware firmware for compatibility · Built for small or medium business NAS systems in a 24/7 environment · Thrives in 24/7 Environments Specifications Capacity 4TB Form Factor 3.5-Inch Connector SATA Interface SATA Transfer Rate up to 180MB/s Disk Speed (RPM) 5400 RPM Recording Technology CMR Cache Size 128MB Warranty 3-Year Limited Warranty Endurance (TBW) 180TB/Year Dimensions (L x W x H) 146.99mm x 101.6mm x 26.11mm Weight 0.55kgs Model Number WD40EFZZ Operating Temperature 0°C to 65°C Non-Operating Temperature -40°C to 70°C Certifications BSMI, ICES-003/NMB-003, CE, FCC, KC, Maghreb, RCM, UKCA, VCCI, CB-Scheme, TUV, UL

Ideal for Home Offices, Power Users, Small to Medium Businesses and Consumer/Commercial NAS systems For RAID-optimized NAS systems with up to 8 bays Rated for 180TB/year workload1 and 1M hours MTBF