Product comparison · 2 internal hard drives

Seagate 1TB SSHD vs Seagate 2TB 3.5" SATA III

8specifications compared
7differ
1identical
25known for one product only

Key differences

HDD capacity
- 1TB SSHD:1 TB
- 2TB 3.5" SATA III:2 TB
HDD speed
- 1TB SSHD:5400 RPM
- 2TB 3.5" SATA III:7200 RPM
Storage drive buffer size
- 1TB SSHD:64 MB
- 2TB 3.5" SATA III:32 MB
Width
- 1TB SSHD:69.8 mm
- 2TB 3.5" SATA III:101.6 mm
Depth
- 1TB SSHD:100.3 mm
- 2TB 3.5" SATA III:26.1 mm
Height
- 1TB SSHD:9.5 mm
- 2TB 3.5" SATA III:146.1 mm
Weight
- 1TB SSHD:115 g
- 2TB 3.5" SATA III:408 g

Side by side

Differences highlightedShow differences only

Comparison of 1TB SSHD, 2TB 3.5" SATA III
33 specifications	A Seagate 1TB SSHD View product	B Seagate 2TB 3.5" SATA III View product
Features3 differ
HDD capacityDiffers	1 TB	2 TB
HDD speedDiffers	5400 RPM	7200 RPM
HDD sizeKnown for one	Unknown — not stated by the source	3.5"
Interface	Serial ATA III	Serial ATA III
TypeKnown for one	Unknown — not stated by the source	Hybrid-HDD
Storage drive buffer sizeDiffers	64 MB	32 MB
Hybrid-HDD cache memoryKnown for one	Unknown — not stated by the source	8 GB
HDD number of headsKnown for one	4.2	Unknown — not stated by the source
Read seek timeKnown for one	12 ms	Unknown — not stated by the source
Write seek timeKnown for one	14 ms	Unknown — not stated by the source
Bytes per sectorKnown for one	4096	Unknown — not stated by the source
Start/stop cyclesKnown for one	600000	Unknown — not stated by the source
Poweridentical
Operating voltageKnown for one	Unknown — not stated by the source	5 / 12 V
Power consumption (typical)Known for one	2.7 W	Unknown — not stated by the source
Power consumption (idle)Known for one	0.9 W	Unknown — not stated by the source
Packaging contentidentical
Quick start guideKnown for one	Unknown — not stated by the source	Yes
Weight & dimensions4 differ
WidthDiffers	69.8 mm	101.6 mm
DepthDiffers	100.3 mm	26.1 mm
HeightDiffers	9.5 mm	146.1 mm
WeightDiffers	115 g	408 g
Packaging dataidentical
Quantity per packKnown for one	Unknown — not stated by the source	1 pc(s)
Package widthKnown for one	Unknown — not stated by the source	196.8 mm
Package depthKnown for one	Unknown — not stated by the source	73.2 mm
Package weightKnown for one	Unknown — not stated by the source	850 g
Package heightKnown for one	Unknown — not stated by the source	149.3 mm
Other featuresidentical
Data transfer rateKnown for one	Unknown — not stated by the source	6 Gbit/s
Windows operating systems supportedKnown for one	Unknown — not stated by the source	Windows 7 Home Basic, Windows 7 Home Basic x64, Windows 7 Home Premium, Windows 7 Home Premium x64, Windows 7 Professional, Windows 7 Professional x64, Windows 7 Starter, Windows 7 Starter x64, Windows 7 Ultimate, Windows 7 Ultimate x64, Windows 8, Windows 8 Enterprise, Windows 8 Enterprise x64, Win
Mac operating systems supportedKnown for one	Unknown — not stated by the source	Mac OS X 10.6 Snow Leopard, Mac OS X 10.7 Lion, Mac OS X 10.8 Mountain Lion, Mac OS X 10.9 Mavericks
Linux operating systems supportedKnown for one	Unknown — not stated by the source	Yes
Operational conditionsidentical
Operating temperature (T-T)Known for one	0 - 60 °C	Unknown — not stated by the source
Storage temperature (T-T)Known for one	-40 - 70 °C	Unknown — not stated by the source
Operating shockKnown for one	3500 G	Unknown — not stated by the source
Non-operating shockKnown for one	1000 G	Unknown — not stated by the source

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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