Western Digital WD40EZRZ SATA 3.5": 4TB BLUE, SATA3 6Gb/s 5400RPM 64MB

Specifications
Model number	WD40EZRZ
Interface	SATA 6 Gb/s
Formatted capacity	4 TB
Advanced Format (AF)	Yes
Form factor	3.5-inch
RoHS compliant	Yes
Performance
Data transfer rate (max)
Buffer to host	6 Gb/s
Host to/from drive (sustained)	150 MB/s
Cache (MB)	64
Rotational speed (RPM)	5400 RPM Class
Reliability/Data Integrity
Load/unload cycles	300,000
Non-recoverable read errors per bits read	<1 in 10
Power Management
12VDC ±10% (A, peak)	1.75
Average power requirements (W)
Read/Write	5.3
Idle	3.4
Standby/Sleep	0.4
Environmental Specifications
Temperature (°C)
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)
Idle	25
Seek (average)	28
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, ± 10%)	1.50/0.68