Product comparison · 2 internal hard drives

Dell 3TB SAS 7.2k 3.5" vs Seagate 2TB 5.4k SATA III

8specifications compared
6differ
2identical
6known for one product only

Key differences

HDD capacity
- 3TB SAS 7.2k 3.5":3 TB
- 2TB 5.4k SATA III:2 TB
HDD speed
- 3TB SAS 7.2k 3.5":7200 RPM
- 2TB 5.4k SATA III:5400 RPM
HDD size
- 3TB SAS 7.2k 3.5":3.5"
- 2TB 5.4k SATA III:2.5"
Interface
- 3TB SAS 7.2k 3.5":SAS
- 2TB 5.4k SATA III:Serial ATA III
Component for
- 3TB SAS 7.2k 3.5":Server/workstation
- 2TB 5.4k SATA III:Laptop
Operating voltage
- 3TB SAS 7.2k 3.5":5 / 12 V
- 2TB 5.4k SATA III:5 V

Side by side

Differences highlightedShow differences only

Comparison of 3TB SAS 7.2k 3.5", 2TB 5.4k SATA III
14 specifications	A Dell 3TB SAS 7.2k 3.5"View product	B Seagate 2TB 5.4k SATA III View product
Features5 differ
HDD capacityDiffers	3 TB	2 TB
HDD speedDiffers	7200 RPM	5400 RPM
HDD sizeDiffers	3.5"	2.5"
InterfaceDiffers	SAS	Serial ATA III
Component forDiffers	Server/workstation	Laptop
Storage drive buffer sizeKnown for one	Unknown — not stated by the source	32 MB
Power1 differ
Operating voltageDiffers	5 / 12 V	5 V
Weight & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	100.5 mm
DepthKnown for one	Unknown — not stated by the source	70.1 mm
HeightKnown for one	Unknown — not stated by the source	9.5 mm
WeightKnown for one	Unknown — not stated by the source	95 g
Other featuresidentical
Data transfer rateKnown for one	6 Gbit/s	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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