Product comparison · 2 internal hard drives

Lenovo 250GB ThinkPad 1.8" HDD vs Seagate 450GB HDD

10specifications compared
10differ
0identical
17known for one product only

Key differences

HDD capacity
- 250GB ThinkPad 1.8" HDD:250 GB
- 450GB HDD:450 GB
HDD speed
- 250GB ThinkPad 1.8" HDD:5400 RPM
- 450GB HDD:15000 RPM
HDD size
- 250GB ThinkPad 1.8" HDD:1.8"
- 450GB HDD:3.5"
Interface
- 250GB ThinkPad 1.8" HDD:Serial ATA
- 450GB HDD:Fibre Channel
Operating voltage
- 250GB ThinkPad 1.8" HDD:3.3 V
- 450GB HDD:5 / 12 V
Operating temperature (T-T)
- 250GB ThinkPad 1.8" HDD:0 - 55 °C
- 450GB HDD:5 - 55 °C
Width
- 250GB ThinkPad 1.8" HDD:54 mm
- 450GB HDD:101.6 mm
Depth
- 250GB ThinkPad 1.8" HDD:78.5 mm
- 450GB HDD:146.5 mm

Side by side

Differences highlightedShow differences only

Comparison of 250GB ThinkPad 1.8" HDD, 450GB HDD
27 specifications	A Lenovo 250GB ThinkPad 1.8" HDD View product	B Seagate 450GB HDD View product
Features4 differ
HDD capacityDiffers	250 GB	450 GB
HDD speedDiffers	5400 RPM	15000 RPM
HDD sizeDiffers	1.8"	3.5"
InterfaceDiffers	Serial ATA	Fibre Channel
TypeKnown for one	Unknown — not stated by the source	HDD
Component forKnown for one	Unknown — not stated by the source	Server/workstation
Storage drive buffer sizeKnown for one	Unknown — not stated by the source	16 MB
HDD number of headsKnown for one	Unknown — not stated by the source	6
Read seek timeKnown for one	Unknown — not stated by the source	3.4 ms
Write seek timeKnown for one	Unknown — not stated by the source	3.9 ms
Average latencyKnown for one	Unknown — not stated by the source	2 ms
Mean time between failures (MTBF)Known for one	Unknown — not stated by the source	1600000 h
Power1 differ
Power consumption (typical)Known for one	Unknown — not stated by the source	15.17 W
Power consumption (idle)Known for one	Unknown — not stated by the source	10.26 W
Operating voltageDiffers	3.3 V	5 / 12 V
Operational conditions1 differ
Operating temperature (T-T)Differs	0 - 55 °C	5 - 55 °C
Storage temperature (T-T)Known for one	Unknown — not stated by the source	-40 - 70 °C
Operating vibrationKnown for one	Unknown — not stated by the source	1 G
Non-operating vibrationKnown for one	Unknown — not stated by the source	3 G
Operating shockKnown for one	Unknown — not stated by the source	60 G
Non-operating shockKnown for one	Unknown — not stated by the source	300 G
Operating relative humidity (H-H)Known for one	0 - 90%	Unknown — not stated by the source
Weight & dimensions4 differ
WidthDiffers	54 mm	101.6 mm
DepthDiffers	78.5 mm	146.5 mm
HeightDiffers	8 mm	25.4 mm
WeightDiffers	620 g	676 g
Other featuresidentical
InternalKnown 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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