Product comparison · 2 internal hard drives

Lenovo 250GB ThinkPad 1.8" HDD vs Samsung 320GB Serial ATA II

8specifications compared
7differ
1identical
21known for one product only

Key differences

HDD capacity
- 250GB ThinkPad 1.8" HDD:250 GB
- 320GB Serial ATA II:320 GB
HDD speed
- 250GB ThinkPad 1.8" HDD:5400 RPM
- 320GB Serial ATA II:7200 RPM
HDD size
- 250GB ThinkPad 1.8" HDD:1.8"
- 320GB Serial ATA II:3.5"
Interface
- 250GB ThinkPad 1.8" HDD:Serial ATA
- 320GB Serial ATA II:Serial ATA II
Operating voltage
- 250GB ThinkPad 1.8" HDD:3.3 V
- 320GB Serial ATA II:5 / 12 V
Operating temperature (T-T)
- 250GB ThinkPad 1.8" HDD:0 - 55 °C
- 320GB Serial ATA II:0 - 60 °C
Operating relative humidity (H-H)
- 250GB ThinkPad 1.8" HDD:0 - 90%
- 320GB Serial ATA II:5 - 90%

Side by side

Differences highlightedShow differences only

Comparison of 250GB ThinkPad 1.8" HDD, 320GB Serial ATA II
29 specifications	A Lenovo 250GB ThinkPad 1.8" HDD View product	B Samsung 320GB Serial ATA II View product
Features4 differ
HDD capacityDiffers	250 GB	320 GB
HDD speedDiffers	5400 RPM	7200 RPM
HDD sizeDiffers	1.8"	3.5"
InterfaceDiffers	Serial ATA	Serial ATA II
Storage drive buffer sizeKnown for one	Unknown — not stated by the source	16 MB
Full stroke seek timeKnown for one	Unknown — not stated by the source	18 ms
Track to track seek timeKnown for one	Unknown — not stated by the source	0.8 ms
Average seek timeKnown for one	Unknown — not stated by the source	8.9 ms
Average latencyKnown for one	Unknown — not stated by the source	4.17 ms
Bytes per sectorKnown for one	Unknown — not stated by the source	512
Mean time between failures (MTBF)Known for one	Unknown — not stated by the source	600000 h
Power1 differ
Power consumption (standby)Known for one	Unknown — not stated by the source	1.2 W
Operating voltageDiffers	3.3 V	5 / 12 V
Operational conditions2 differ
Operating temperature (T-T)Differs	0 - 55 °C	0 - 60 °C
Storage temperature (T-T)Known for one	Unknown — not stated by the source	-40 - 70 °C
Operating relative humidity (H-H)Differs	0 - 90%	5 - 90%
Storage relative humidity (H-H)Known for one	Unknown — not stated by the source	5 - 95%
Operating shockKnown for one	Unknown — not stated by the source	63 G
Non-operating shockKnown for one	Unknown — not stated by the source	300 G
Other featuresidentical
HDD transfer rateKnown for one	Unknown — not stated by the source	300 Mbit/s
Power requirementsKnown for one	Unknown — not stated by the source	+5V±5%
Product colourKnown for one	Unknown — not stated by the source	Black
Drive ready timeKnown for one	Unknown — not stated by the source	10 s
Internal	Yes	Yes
Acoustic pressure emissionsKnown for one	Unknown — not stated by the source	2.4 dB
Weight & dimensionsidentical
WidthKnown for one	54 mm	Unknown — not stated by the source
DepthKnown for one	78.5 mm	Unknown — not stated by the source
HeightKnown for one	8 mm	Unknown — not stated by the source
WeightKnown for one	620 g	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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