Product comparison · 2 internal hard drives

Seagate Desktop HDD ST3000DM001-20PK internal hard drive vs Seagate Desktop HDD ST4000DM000-20PK internal hard drive

Key differences

HDD capacity
- Desktop HDD ST3000DM001-20PK internal hard drive:3 TB
- Desktop HDD ST4000DM000-20PK internal hard drive:4 TB
HDD number of cylinders
- Desktop HDD ST3000DM001-20PK internal hard drive:3
- Desktop HDD ST4000DM000-20PK internal hard drive:4
HDD number of heads
- Desktop HDD ST3000DM001-20PK internal hard drive:6
- Desktop HDD ST4000DM000-20PK internal hard drive:8
Power consumption (typical)
- Desktop HDD ST3000DM001-20PK internal hard drive:8 W
- Desktop HDD ST4000DM000-20PK internal hard drive:7.5 W
Power consumption (idle)
- Desktop HDD ST3000DM001-20PK internal hard drive:5.4 W
- Desktop HDD ST4000DM000-20PK internal hard drive:5 W
Weight
- Desktop HDD ST3000DM001-20PK internal hard drive:626 g
- Desktop HDD ST4000DM000-20PK internal hard drive:610 g

Differences highlightedShow differences only

Comparison of ST3000DM001-20PK, ST4000DM000-20PK
28 specifications	A Seagate Desktop HDD ST3000DM001-20PK internal hard drive Model ST3000DM001-20PK View product	B Seagate Desktop HDD ST4000DM000-20PK internal hard drive Model ST4000DM000-20PK View product
Features3 differ
HDD capacityDiffers	3 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
Storage drive buffer size	64 MB	64 MB
HDD number of cylindersDiffers	3	4
HDD number of headsDiffers	6	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
Power2 differ
Power consumption (typical)Differs	8 W	7.5 W
Power consumption (standby)	0.75 W	0.75 W
Power consumption (idle)Differs	5.4 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
Packaging contentidentical
Quick start guide	Yes	Yes
Bundled software	DiscWizard	DiscWizard
Weight & dimensions1 differ
Width	101.6 mm	101.6 mm
Depth	147 mm	147 mm
Height	26.1 mm	26.1 mm
WeightDiffers	626 g	610 g
Packaging dataidentical
Quantity per pack	20 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

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.