Specifications:

Capacity: 4TB

Form Factor: 3.5-Inch

Connector: SATA

Interface: SATA

Transfer Rate: up to 180MB/s

Disk Speed (RPM): 5400 RPM...

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): 5.787" x 4" x 1.028"

Weight: 1.21lbs

Model Number: WD40EFZZ

Operating Temperature: 0°C to 65°C

Non-Operating Temperature: -40°C to 70°C

Product 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

Compatibility:

RAID-optimized NAS systems with up to 8 bays