Product comparison · 2 internal hard drives

Dell 250GB SATA 7200rpm 3.5" vs Seagate SATA 250Gb 2.5"

6specifications compared
4differ
2identical
19known for one product only

Key differences

HDD speed
- 250GB SATA 7200rpm 3.5":7200 RPM
- SATA 250Gb 2.5":5400 RPM
HDD size
- 250GB SATA 7200rpm 3.5":3.5"
- SATA 250Gb 2.5":2.5"
Interface
- 250GB SATA 7200rpm 3.5":Serial ATA
- SATA 250Gb 2.5":Serial ATA II
Operating voltage
- 250GB SATA 7200rpm 3.5":5 / 12 V
- SATA 250Gb 2.5":5 V

Side by side

Differences highlightedShow differences only

Comparison of 250GB SATA 7200rpm 3.5", SATA 250Gb 2.5"
25 specifications	A Dell 250GB SATA 7200rpm 3.5"View product	B Seagate SATA 250Gb 2.5"View product
Features3 differ
HDD speedDiffers	7200 RPM	5400 RPM
HDD sizeDiffers	3.5"	2.5"
InterfaceDiffers	Serial ATA	Serial ATA II
Component forKnown for one	Unknown — not stated by the source	Laptop
Storage drive buffer sizeKnown for one	Unknown — not stated by the source	8 MB
Average seek timeKnown for one	Unknown — not stated by the source	12 ms
Average latencyKnown for one	Unknown — not stated by the source	5.6 ms
Power1 differ
Operating voltageDiffers	5 / 12 V	5 V
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	5 - 55 °C
Storage temperature (T-T)Known for one	Unknown — not stated by the source	-40 - 70 °C
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	5 - 90%
Storage relative humidity (H-H)Known for one	Unknown — not stated by the source	5 - 95%
Operating altitudeKnown for one	Unknown — not stated by the source	-300 - 3000 m
Non-operating altitudeKnown for one	Unknown — not stated by the source	-400 - 15000 m
Operating shockKnown for one	Unknown — not stated by the source	325 G
Non-operating shockKnown for one	Unknown — not stated by the source	750 G
Weight & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	69.8 mm
DepthKnown for one	Unknown — not stated by the source	100.3 mm
HeightKnown for one	Unknown — not stated by the source	9.5 mm
WeightKnown for one	Unknown — not stated by the source	107 g
Other featuresidentical
Product colourKnown for one	Unknown — not stated by the source	Black
Drive ready timeKnown for one	Unknown — not stated by the source	4 s
MountingKnown for one	Unknown — not stated by the source	Horizontal

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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