HDD 3.5″ 4TB Western Digital WD Red Plus NAS SATA3 256MB WD40EFPX

Features
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
Capacity: 4TB
Form Factor: 3.5-Inch
Connector: SATA
Compatibility: RAID-optimized NAS systems with up to 8 bays
Interface: SATA
Transfer Rate: up to 180MB/s
Disk Speed (RPM): 5400 RPM
Recording Technology: CMR
Cache Size: 256MB
Dimensions (L x W x H): 5.787″ x 4″ x 1.028″
Weight: 570gms
Model Number: WD40EFPX
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