Product comparison · 2 internal hard drives

Seagate SV35 Series ST1000VX000-25PK internal hard drive vs Seagate Desktop HDD ST4000DM000-20PK internal hard drive

24specifications compared
9differ
15identical
6known for one product only

Key differences

HDD capacity
- SV35 Series ST1000VX000-25PK internal hard drive:1 TB
- Desktop HDD ST4000DM000-20PK internal hard drive:4 TB
HDD number of cylinders
- SV35 Series ST1000VX000-25PK internal hard drive:1
- Desktop HDD ST4000DM000-20PK internal hard drive:4
HDD number of heads
- SV35 Series ST1000VX000-25PK internal hard drive:2
- Desktop HDD ST4000DM000-20PK internal hard drive:8
Power consumption (typical)
- SV35 Series ST1000VX000-25PK internal hard drive:5.9 W
- Desktop HDD ST4000DM000-20PK internal hard drive:7.5 W
Power consumption (standby)
- SV35 Series ST1000VX000-25PK internal hard drive:0.63 W
- Desktop HDD ST4000DM000-20PK internal hard drive:0.75 W
Power consumption (idle)
- SV35 Series ST1000VX000-25PK internal hard drive:3.36 W
- Desktop HDD ST4000DM000-20PK internal hard drive:5 W
Height
- SV35 Series ST1000VX000-25PK internal hard drive:20 mm
- Desktop HDD ST4000DM000-20PK internal hard drive:26.1 mm
Weight
- SV35 Series ST1000VX000-25PK internal hard drive:400 g
- Desktop HDD ST4000DM000-20PK internal hard drive:610 g

Side by side

Differences highlightedShow differences only

Comparison of ST1000VX000-25PK, ST4000DM000-20PK
30 specifications	A Seagate SV35 Series ST1000VX000-25PK internal hard drive Model ST1000VX000-25PK View product	B Seagate Desktop HDD ST4000DM000-20PK internal hard drive Model ST4000DM000-20PK View product
Features3 differ
HDD capacityDiffers	1 TB	4 TB
HDD speedKnown for one	7200 RPM	Unknown — not stated by the source
HDD size	3.5"	3.5"
Interface	Serial ATA III	Serial ATA III
Type	HDD	HDD
Component forKnown for one	Surveillance system	Unknown — not stated by the source
Storage drive buffer size	64 MB	64 MB
HDD number of cylindersDiffers	1	4
HDD number of headsDiffers	2	8
Read seek time	8.5 ms	8.5 ms
Write seek time	9.5 ms	9.5 ms
Bytes per sector	4096	4096
Start/stop cycles	300000	300000
Mean time between failures (MTBF)Known for one	1000000 h	Unknown — not stated by the source
Power3 differ
Power consumption (typical)Differs	5.9 W	7.5 W
Power consumption (standby)Differs	0.63 W	0.75 W
Power consumption (idle)Differs	3.36 W	5 W
Operating voltage	5 / 12 V	5 / 12 V
Start-up current	2 A	2 A
Operational conditionsidentical
Operating temperature (T-T)	0 - 60 °C	0 - 60 °C
Storage temperature (T-T)	-40 - 70 °C	-40 - 70 °C
Weight & dimensions2 differ
Width	101.6 mm	101.6 mm
Depth	147 mm	147 mm
HeightDiffers	20 mm	26.1 mm
WeightDiffers	400 g	610 g
Packaging data1 differ
Quantity per packDiffers	25 pc(s)	20 pc(s)
Other featuresidentical
Data transfer rate	6 Gbit/s	6 Gbit/s
CertificationKnown for one	Unknown — not stated by the source	RoHS
Packaging contentidentical
Quick start guideKnown for one	Unknown — not stated by the source	Yes
Bundled softwareKnown for one	Unknown — not stated by the source	DiscWizard

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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