WD 4TB INTERNAL HDD SATA 3.5" RED WD40EFAX

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: SMR
Cache Size: 256MB
Warranty: 3-Year Limited Warranty
Dimensions (L x W x H): 5.79" x 4" x 1.03"
Weight: 1.26lbs
Model Number: WD40EFAX