Product comparison · 2 internal hard drives

Seagate Desktop SSHD ST2000DX001-20PK internal hard drive vs Seagate Desktop HDD ST320DM000-25PK internal hard drive

22specifications compared
13differ
9identical
6known for one product only

Key differences

HDD capacity
- Desktop SSHD ST2000DX001-20PK internal hard drive:2 TB
- Desktop HDD ST320DM000-25PK internal hard drive:320 GB
Type
- Desktop SSHD ST2000DX001-20PK internal hard drive:Hybrid-HDD
- Desktop HDD ST320DM000-25PK internal hard drive:HDD
Storage drive buffer size
- Desktop SSHD ST2000DX001-20PK internal hard drive:64 MB
- Desktop HDD ST320DM000-25PK internal hard drive:16 MB
HDD number of cylinders
- Desktop SSHD ST2000DX001-20PK internal hard drive:2
- Desktop HDD ST320DM000-25PK internal hard drive:1
HDD number of heads
- Desktop SSHD ST2000DX001-20PK internal hard drive:4
- Desktop HDD ST320DM000-25PK internal hard drive:2
Read seek time
- Desktop SSHD ST2000DX001-20PK internal hard drive:9.5 ms
- Desktop HDD ST320DM000-25PK internal hard drive:11 ms
Write seek time
- Desktop SSHD ST2000DX001-20PK internal hard drive:9.5 ms
- Desktop HDD ST320DM000-25PK internal hard drive:12 ms
Power consumption (typical)
- Desktop SSHD ST2000DX001-20PK internal hard drive:6.7 W
- Desktop HDD ST320DM000-25PK internal hard drive:6.19 W

Side by side

Differences highlightedShow differences only

Comparison of ST2000DX001-20PK, ST320DM000-25PK
28 specifications	A Seagate Desktop SSHD ST2000DX001-20PK internal hard drive Model ST2000DX001-20PK View product	B Seagate Desktop HDD ST320DM000-25PK internal hard drive Model ST320DM000-25PK View product
Features7 differ
HDD capacityDiffers	2 TB	320 GB
HDD speedKnown for one	Unknown — not stated by the source	7200 RPM
HDD size	3.5"	3.5"
Interface	Serial ATA III	Serial ATA III
TypeDiffers	Hybrid-HDD	HDD
Storage drive buffer sizeDiffers	64 MB	16 MB
HDD number of cylindersDiffers	2	1
HDD number of headsDiffers	4	2
Read seek timeDiffers	9.5 ms	11 ms
Write seek timeDiffers	9.5 ms	12 ms
Bytes per sector	4096	4096
Hybrid-HDD cache memoryKnown for one	8 GB	Unknown — not stated by the source
Start/stop cyclesKnown for one	300000	Unknown — not stated by the source
Power3 differ
Power consumption (typical)Differs	6.7 W	6.19 W
Power consumption (standby)Differs	0.75 W	0.63 W
Power consumption (idle)Differs	4.5 W	4.6 W
Operating voltage	5 / 12 V	5 / 12 V
Start-up currentKnown for one	Unknown — not stated by the source	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 guideKnown for one	Unknown — not stated by the source	Yes
Bundled softwareKnown for one	Unknown — not stated by the source	DiscWizard
Weight & dimensions2 differ
Width	101.6 mm	101.6 mm
Depth	147 mm	147 mm
HeightDiffers	26.1 mm	20 mm
WeightDiffers	535 g	415 g
Packaging data1 differ
Quantity per packDiffers	20 pc(s)	25 pc(s)
Other featuresidentical
Data transfer rate	6 Gbit/s	6 Gbit/s

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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