WD BLUE WD40EZAZ 4TB 3.5" 5400RPM 256MB Cache SATA HDD

Capacity: 4TB
Model Number: WD40EZAZ
Recording Technology: SMR
Formatted capacity: 4TB
Form factor: 3.5-inch
Advanced Format (AF): Yes
RoHS compliant: Yes
Performance:
Interface speed: 6 Gb/s
Internal transfer rate (max): 180 MB/s
Cache (MB): 256
RPM: 5400
Reliability/Data Integrity:
Load/unload cycles: 300000
Non-recoverable read errors per bits read: <1 in 10^14
Limited warranty (years): 2
Power Management:
Average power requirements (W) 12VDC ±10% (A, peak): 1.75
Read/Write: 4.8
Idle: 3.1
Standby and Sleep: 0.6
Environmental Specifications:
Operating: 0 to 60
Non-operating: -40 to 70
"Shock (Gs)
Operating (2 ms, write): 30"
Operating (2 ms, read): 65
Non-operating (2 ms): 250
Acoustics (dBA)10 Idle: 23
Seek (average): 27
Physical Dimensions:
Height (in./mm, max): 1.028/26.1
Length (in./mm, max): 5.787/147
Width (in./mm, ± .01 in.): 4/101.6
Weight (lb/kg, ± 3%): 1.26/0.57