Western Digital Red 3.5" 4000 GB Serial ATA III

Western Digital Red 3.5" 4000 GB Serial ATA III

Features

HDD speed	5400 RPM
24/7 operation	Y
RoHS compliance	Y
Workload rate limit	180 TB/year
HDD capacity	4000 GB
Mean time between failures (MTBF)	1000000 h
Component for	NAS
HDD interface transfer rate	6 Gbit/s
Storage drive buffer size	256 MB
Type	HDD
Native Command Queuing (NCQ)	Y
Hot-swap	N
HDD size	3.5"
Start/stop cycles	600000
HDD sustained transfer rate	180 MiB/s
Noise level (idle)	23 dB
Advanced Format (AF)	Y
Interface	Serial ATA III

Power

Power consumption (read)	4.8 W
Power consumption (standby)	0.4 W
Start-up current	1.75 A
Power consumption (write)	4.8 W
Power consumption (idle)	3.1 W
Operating voltage	5 / 12 V

Operational conditions

Operating temperature (T-T)	0 - 60 °C
Storage temperature (T-T)	-40 - 70 °C
Operating shock	65 G
Non-operating shock	250 G

Depth	147 mm
Weight	570 g
Height	26.1 mm
Width	101.6 mm

Packaging data

N