Product comparison · 2 internal hard drives

Seagate IronWolf ST4000VN006_B1 internal hard drive vs Seagate IronWolf ST4000VN006_B2 internal hard drive

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Comparison of ST4000VN006_B1, ST4000VN006_B2
31 specifications	A Seagate IronWolf ST4000VN006_B1 internal hard drive Model ST4000VN006_B1 View product	B Seagate IronWolf ST4000VN006_B2 internal hard drive Model ST4000VN006_B2 View product
Featuresidentical
HDD capacity	4 TB	4 TB
HDD speed	5400 RPM	5400 RPM
HDD size	3.5"	3.5"
Interface	Serial ATA III	Serial ATA III
Type	HDD	HDD
Component for	NAS	NAS
Storage drive buffer size	256 MB	256 MB
HDD interface transfer rate	6 Gbit/s	6 Gbit/s
HDD sustained transfer rate	202 MiB/s	202 MiB/s
Rotational Vibration (RV) sensors	Yes	Yes
24/7 operation	Yes	Yes
Start/stop cycles	600000	600000
Workload rate limit	180 TB/year	180 TB/year
Mean time to failure (MTTF)	1000000 h	1000000 h
Poweridentical
Power consumption (typical)	4.8 W	4.8 W
Power consumption (standby)	0.5 W	0.5 W
Power consumption (idle)	3.96 W	3.96 W
Operating voltage	5 / 12 V	5 / 12 V
Start-up current	1.8 A	1.8 A
Operational conditionsidentical
Operating temperature (T-T)	0 - 65 °C	0 - 65 °C
Storage temperature (T-T)	-40 - 70 °C	-40 - 70 °C
Operating vibration	0.25 G	0.25 G
Non-operating vibration	3 G	3 G
Operating altitude	-304 - 3048 m	-304 - 3048 m
Non-operating altitude	-304 - 12192 m	-304 - 12192 m
Operating shock	80 G	80 G
Non-operating shock	300 G	300 G
Weight & dimensionsidentical
Width	101.8 mm	101.8 mm
Depth	147 mm	147 mm
Height	20.2 mm	20.2 mm
Weight	490 g	490 g

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