Product comparison · 2 internal hard drives

Dell 2TB 7.2k SATA 3.5" vs Seagate 4TB SATA 6Gb/s

6specifications compared
3differ
3identical
21known for one product only

Key differences

HDD capacity
- 2TB 7.2k SATA 3.5":2 TB
- 4TB SATA 6Gb/s:4 TB
Interface
- 2TB 7.2k SATA 3.5":Serial ATA
- 4TB SATA 6Gb/s:Serial ATA III
Storage temperature (T-T)
- 2TB 7.2k SATA 3.5":-40 - 65 °C
- 4TB SATA 6Gb/s:-40 - 70 °C

Side by side

Differences highlightedShow differences only

Comparison of 2TB 7.2k SATA 3.5", 4TB SATA 6Gb/s
27 specifications	A Dell 2TB 7.2k SATA 3.5"View product	B Seagate 4TB SATA 6Gb/s View product
Features2 differ
HDD capacityDiffers	2 TB	4 TB
HDD size	3.5"	3.5"
InterfaceDiffers	Serial ATA	Serial ATA III
TypeKnown for one	Unknown — not stated by the source	Hybrid-HDD
Storage drive buffer sizeKnown for one	Unknown — not stated by the source	64 MB
HDD number of headsKnown for one	Unknown — not stated by the source	8
Read seek timeKnown for one	Unknown — not stated by the source	12 ms
Write seek timeKnown for one	Unknown — not stated by the source	12 ms
Bytes per sectorKnown for one	Unknown — not stated by the source	4096
Start/stop cyclesKnown for one	Unknown — not stated by the source	300000
HDD speedKnown for one	7200 RPM	Unknown — not stated by the source
Poweridentical
Power consumption (typical)Known for one	Unknown — not stated by the source	7.5 W
Power consumption (standby)Known for one	Unknown — not stated by the source	0.75 W
Power consumption (idle)Known for one	Unknown — not stated by the source	6.2 W
Operating voltage	5 / 12 V	5 / 12 V
Operational conditions1 differ
Operating temperature (T-T)	0 - 60 °C	0 - 60 °C
Storage temperature (T-T)Differs	-40 - 65 °C	-40 - 70 °C
Operating relative humidity (H-H)Known for one	5 - 90%	Unknown — not stated by the source
Storage relative humidity (H-H)Known for one	5 - 90%	Unknown — not stated by the source
Weight & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	101.6 mm
DepthKnown for one	Unknown — not stated by the source	147 mm
HeightKnown for one	Unknown — not stated by the source	26.1 mm
WeightKnown for one	Unknown — not stated by the source	610 g
Other featuresidentical
Data transfer rateKnown for one	Unknown — not stated by the source	6 Gbit/s
Flash memoryKnown for one	Unknown — not stated by the source	8192 MB
Windows operating systems supportedKnown for one	Yes	Unknown — not stated by the source
Linux operating systems supportedKnown for one	Yes	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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