Product comparison · 2 internal hard drives

Seagate Desktop HDD ST3000DM001-20PK internal hard drive vs Seagate Desktop SSHD ST4000DX001-20PK internal hard drive

23specifications compared
9differ
14identical
7known for one product only

Key differences

The Seagate Desktop SSHD ST4000DX001-20PK internal hard drive has 1 TB more HDD capacity than the Seagate Desktop HDD ST3000DM001-20PK internal hard drive (4 TB vs 3 TB). The Seagate Desktop SSHD ST4000DX001-20PK internal hard drive has 1 more HDD cylinders than the Seagate Desktop HDD ST3000DM001-20PK internal hard drive (4 vs 3). The Seagate Desktop SSHD ST4000DX001-20PK internal hard drive has 2 more HDD heads than the Seagate Desktop HDD ST3000DM001-20PK internal hard drive (8 vs 6). Type: HDD on the Seagate Desktop HDD ST3000DM001-20PK internal hard drive, Hybrid-HDD on the Seagate Desktop SSHD ST4000DX001-20PK internal hard drive.

HDD capacity
- Desktop HDD ST3000DM001-20PK internal hard drive:3 TB
- Desktop SSHD ST4000DX001-20PK internal hard drive:4 TB
Type
- Desktop HDD ST3000DM001-20PK internal hard drive:HDD
- Desktop SSHD ST4000DX001-20PK internal hard drive:Hybrid-HDD
HDD number of cylinders
- Desktop HDD ST3000DM001-20PK internal hard drive:3
- Desktop SSHD ST4000DX001-20PK internal hard drive:4
HDD number of heads
- Desktop HDD ST3000DM001-20PK internal hard drive:6
- Desktop SSHD ST4000DX001-20PK internal hard drive:8
Read seek time
- Desktop HDD ST3000DM001-20PK internal hard drive:8.5 ms
- Desktop SSHD ST4000DX001-20PK internal hard drive:12 ms
Write seek time
- Desktop HDD ST3000DM001-20PK internal hard drive:9.5 ms
- Desktop SSHD ST4000DX001-20PK internal hard drive:12 ms
Power consumption (typical)
- Desktop HDD ST3000DM001-20PK internal hard drive:8 W
- Desktop SSHD ST4000DX001-20PK internal hard drive:7.5 W
Power consumption (idle)
- Desktop HDD ST3000DM001-20PK internal hard drive:5.4 W
- Desktop SSHD ST4000DX001-20PK internal hard drive:6.2 W

Side by side

Differences highlightedShow differences only

Comparison of ST3000DM001-20PK, ST4000DX001-20PK
30 specifications	A Seagate Desktop HDD ST3000DM001-20PK internal hard drive Model ST3000DM001-20PK View product	B Seagate Desktop SSHD ST4000DX001-20PK internal hard drive Model ST4000DX001-20PK View product
Features6 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
TypeDiffers	HDD	Hybrid-HDD
Storage drive buffer size	64 MB	64 MB
HDD number of cylindersDiffers	3	4
HDD number of headsDiffers	6	8
Read seek timeDiffers	8.5 ms	12 ms
Write seek timeDiffers	9.5 ms	12 ms
Bytes per sector	4096	4096
Start/stop cycles	300000	300000
Hybrid-HDD cache memoryKnown for one	Unknown — not stated by the source	8 GB
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	6.2 W
Operating voltage	5 / 12 V	5 / 12 V
Start-up currentKnown for one	2 A	Unknown — not stated by the source
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 guideKnown for one	Yes	Unknown — not stated by the source
Bundled softwareKnown for one	DiscWizard	Unknown — not stated by the source
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
Windows operating systems supportedKnown for one	Unknown — not stated by the source	Yes
Mac operating systems supportedKnown for one	Unknown — not stated by the source	Yes

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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