Product comparison · 2 internal hard drives

Dell 1.2TB, SAS, 2.5" vs Dell 4TB, SAS, 3.5"

6specifications compared
5differ
1identical
2known for one product only

Key differences

The Dell 4TB, SAS, 3.5" has 2.8 TB more HDD capacity than the Dell 1.2TB, SAS, 2.5" (4 TB vs 1.2 TB). The Dell 1.2TB, SAS, 2.5" has 2,800 RPM more HDD speed than the Dell 4TB, SAS, 3.5" (10000 RPM vs 7200 RPM). The Dell 4TB, SAS, 3.5" has 1" more HDD size than the Dell 1.2TB, SAS, 2.5" (3.5" vs 2.5"). Interface: SAS on the Dell 1.2TB, SAS, 2.5", NL-SAS on the Dell 4TB, SAS, 3.5". Operating voltage: 5 V on the Dell 1.2TB, SAS, 2.5", 5 / 12 V on the Dell 4TB, SAS, 3.5".

HDD capacity
- 1.2TB, SAS, 2.5":1.2 TB
- 4TB, SAS, 3.5":4 TB
HDD speed
- 1.2TB, SAS, 2.5":10000 RPM
- 4TB, SAS, 3.5":7200 RPM
HDD size
- 1.2TB, SAS, 2.5":2.5"
- 4TB, SAS, 3.5":3.5"
Interface
- 1.2TB, SAS, 2.5":SAS
- 4TB, SAS, 3.5":NL-SAS
Operating voltage
- 1.2TB, SAS, 2.5":5 V
- 4TB, SAS, 3.5":5 / 12 V

Side by side

Differences highlightedShow differences only

Comparison of 1.2TB, SAS, 2.5", 4TB, SAS, 3.5"
8 specifications	A Dell 1.2TB, SAS, 2.5"View product	B Dell 4TB, SAS, 3.5"View product
Features4 differ
HDD capacityDiffers	1.2 TB	4 TB
HDD speedDiffers	10000 RPM	7200 RPM
HDD sizeDiffers	2.5"	3.5"
InterfaceDiffers	SAS	NL-SAS
Type	HDD	HDD
HDD interface transfer rateKnown for one	12 Gbit/s	Unknown — not stated by the source
Component forKnown for one	Unknown — not stated by the source	Server/workstation
Power1 differ
Operating voltageDiffers	5 V	5 / 12 V

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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