Product comparison · 2 internal hard drives

Seagate Constellation ST2000NM0023 internal hard drive vs Seagate ST4000VM000 internal hard drive

Key differences

HDD capacity
- Constellation ST2000NM0023 internal hard drive:2 TB
- ST4000VM000 internal hard drive:4 TB
HDD speed
- Constellation ST2000NM0023 internal hard drive:7200 RPM
- ST4000VM000 internal hard drive:5900 RPM
Interface
- Constellation ST2000NM0023 internal hard drive:SAS
- ST4000VM000 internal hard drive:Serial ATA III
Storage drive buffer size
- Constellation ST2000NM0023 internal hard drive:128 MB
- ST4000VM000 internal hard drive:64 MB
Power consumption (idle)
- Constellation ST2000NM0023 internal hard drive:5.78 W
- ST4000VM000 internal hard drive:5 W
Operating voltage
- Constellation ST2000NM0023 internal hard drive:5 / 12 V
- ST4000VM000 internal hard drive:5 V
Operating temperature (T-T)
- Constellation ST2000NM0023 internal hard drive:5 - 60 °C
- ST4000VM000 internal hard drive:0 - 75 °C
Width
- Constellation ST2000NM0023 internal hard drive:101.8 mm
- ST4000VM000 internal hard drive:101.6 mm

Differences highlightedShow differences only

Comparison of ST2000NM0023, ST4000VM000
26 specifications	A Seagate Constellation ST2000NM0023 internal hard drive Model ST2000NM0023 View product	B Seagate ST4000VM000 internal hard drive Model ST4000VM000 View product
Features4 differ
HDD capacityDiffers	2 TB	4 TB
HDD speedDiffers	7200 RPM	5900 RPM
InterfaceDiffers	SAS	Serial ATA III
Storage drive buffer sizeDiffers	128 MB	64 MB
HDD sustained transfer rateKnown for one	175 MiB/s	Unknown — not stated by the source
Average latencyKnown for one	4.16 ms	Unknown — not stated by the source
Mean time between failures (MTBF)Known for one	1400000 h	Unknown — not stated by the source
Power2 differ
Power consumption (typical)Known for one	9.59 W	Unknown — not stated by the source
Power consumption (idle)Differs	5.78 W	5 W
Operating voltageDiffers	5 / 12 V	5 V
Power consumption (standby)Known for one	Unknown — not stated by the source	0.75 W
Start-up currentKnown for one	Unknown — not stated by the source	2 A
Operational conditions1 differ
Operating temperature (T-T)Differs	5 - 60 °C	0 - 75 °C
Non-operating vibrationKnown for one	0.25 G	Unknown — not stated by the source
Storage temperature (T-T)Known for one	Unknown — not stated by the source	-40 - 70 °C
Operating shockKnown for one	Unknown — not stated by the source	80 G
Weight & dimensions2 differ
WidthDiffers	101.8 mm	101.6 mm
WeightDiffers	635 g	610 g
Technical detailsidentical
Doesn't containKnown for one	Unknown — not stated by the source	Halogen

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.