Product comparison · 2 internal hard drives

Seagate Barracuda ST2000DM009 internal hard drive vs Seagate Barracuda ST4000DM005-20PK internal hard drive

16specifications compared
9differ
7identical
19known for one product only

Key differences

HDD capacity
- Barracuda ST2000DM009 internal hard drive:2 TB
- Barracuda ST4000DM005-20PK internal hard drive:4 TB
Storage drive buffer size
- Barracuda ST2000DM009 internal hard drive:128 MB
- Barracuda ST4000DM005-20PK internal hard drive:64 MB
HDD sustained transfer rate
- Barracuda ST2000DM009 internal hard drive:195 MiB/s
- Barracuda ST4000DM005-20PK internal hard drive:180 MiB/s
HDD number of heads
- Barracuda ST2000DM009 internal hard drive:4
- Barracuda ST4000DM005-20PK internal hard drive:6
Bytes per sector
- Barracuda ST2000DM009 internal hard drive:512
- Barracuda ST4000DM005-20PK internal hard drive:4096
Operating temperature (T-T)
- Barracuda ST2000DM009 internal hard drive:5 - 60 °C
- Barracuda ST4000DM005-20PK internal hard drive:0 - 60 °C
Width
- Barracuda ST2000DM009 internal hard drive:101.8 mm
- Barracuda ST4000DM005-20PK internal hard drive:101.6 mm
Height
- Barracuda ST2000DM009 internal hard drive:26.1 mm
- Barracuda ST4000DM005-20PK internal hard drive:20.2 mm

Side by side

Differences highlightedShow differences only

Comparison of ST2000DM009, ST4000DM005-20PK
35 specifications	A Seagate Barracuda ST2000DM009 internal hard drive Model ST2000DM009 View product	B Seagate Barracuda ST4000DM005-20PK internal hard drive Model ST4000DM005-20PK View product
Features5 differ
HDD capacityDiffers	2 TB	4 TB
HDD speed	7200 RPM	7200 RPM
HDD size	3.5"	3.5"
Interface	Serial ATA III	Serial ATA III
Type	HDD	HDD
Component forKnown for one	PC	Unknown — not stated by the source
Storage drive buffer sizeDiffers	128 MB	64 MB
HDD interface transfer rateKnown for one	6 Gbit/s	Unknown — not stated by the source
HDD sustained transfer rateDiffers	195 MiB/s	180 MiB/s
HDD number of headsDiffers	4	6
Average latencyKnown for one	4.16 ms	Unknown — not stated by the source
SMART technologyKnown for one	Yes	Unknown — not stated by the source
Bytes per sectorDiffers	512	4096
Poweridentical
Power consumption (idle)Known for one	2.8 W	Unknown — not stated by the source
Operating voltage	5 / 12 V	5 / 12 V
Start-up currentKnown for one	2 A	Unknown — not stated by the source
Power consumption (typical)Known for one	Unknown — not stated by the source	5.6 W
Power consumption (standby)Known for one	Unknown — not stated by the source	0.5 W
Power consumption (off)Known for one	Unknown — not stated by the source	0.5 W
Operational conditions1 differ
Operating temperature (T-T)Differs	5 - 60 °C	0 - 60 °C
Storage temperature (T-T)	-40 - 70 °C	-40 - 70 °C
Operating relative humidity (H-H)Known for one	5 - 95%	Unknown — not stated by the source
Storage relative humidity (H-H)Known for one	5 - 95%	Unknown — not stated by the source
Operating altitudeKnown for one	-304.8 - 3048 m	Unknown — not stated by the source
Non-operating altitudeKnown for one	-304.8 - 12192 m	Unknown — not stated by the source
Operating shockKnown for one	40 G	Unknown — not stated by the source
Non-operating shockKnown for one	300 G	Unknown — not stated by the source
Packaging contentidentical
ManualKnown for one	Yes	Unknown — not stated by the source
Storage drive adapter includedKnown for one	Unknown — not stated by the source	No
Weight & dimensions3 differ
WidthDiffers	101.8 mm	101.6 mm
Depth	147 mm	147 mm
HeightDiffers	26.1 mm	20.2 mm
WeightDiffers	550 g	610 g
Packaging dataidentical
Quantity per packKnown for one	Unknown — not stated by the source	20 pc(s)
Other featuresidentical
Compliance certificatesKnown for one	Unknown — not stated by the source	RoHS

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.

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