Product comparison · 2 internal hard drives

Lenovo ThinkPad 250GB 5400rpm Serial ATA Hard drive vs Seagate EE25.2 Series™ 30GB SATA 25pk

6specifications compared
1differ
5identical
24known for one product only

Key differences

The Lenovo ThinkPad 250GB 5400rpm Serial ATA Hard drive has 220 GB more HDD capacity than the Seagate EE25.2 Series™ 30GB SATA 25pk (250 GB vs 30 GB).

HDD capacity
- ThinkPad 250GB 5400rpm Serial ATA Hard drive:250 GB
- EE25.2 Series™ 30GB SATA 25pk:30 GB

Side by side

Differences highlightedShow differences only

Comparison of ThinkPad 250GB 5400rpm Serial ATA Hard drive, EE25.2 Series™ 30GB SATA 25pk
30 specifications	A Lenovo ThinkPad 250GB 5400rpm Serial ATA Hard drive View product	B Seagate EE25.2 Series™ 30GB SATA 25pk View product
Features1 differ
HDD capacityDiffers	250 GB	30 GB
HDD number of headsKnown for one	4	Unknown — not stated by the source
Read seek timeKnown for one	11 ms	Unknown — not stated by the source
Write seek timeKnown for one	13 ms	Unknown — not stated by the source
Bytes per sectorKnown for one	512	Unknown — not stated by the source
HDD sizeKnown for one	Unknown — not stated by the source	2.5"
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	11 ms
Operational conditionsidentical
Operating shockKnown for one	1000 G	Unknown — not stated by the source
Non-operating shockKnown for one	350 G	Unknown — not stated by the source
Operating temperature (T-T)Known for one	Unknown — not stated by the source	30 - 85 °C
Storage temperature (T-T)Known for one	Unknown — not stated by the source	40 - 95 °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%
Non-operating altitudeKnown for one	Unknown — not stated by the source	15000
Weight & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	69.8 mm
DepthKnown for one	Unknown — not stated by the source	100.2 mm
HeightKnown for one	Unknown — not stated by the source	9.5 mm
Other featuresidentical
Dimensions (WxDxH)Known for one	69.85 x 100.2 x 9.5 mm	Unknown — not stated by the source
Compatible operating systemsKnown for one	Microsoft Windows 2000 Windows XP Windows Vista	Unknown — not stated by the source
Data transfer rateKnown for one	1.5 Gbit/s	Unknown — not stated by the source
Mac compatibilityKnown for one	No	Unknown — not stated by the source
Maximum data transfer rateKnown for one	665 Mbit/s	Unknown — not stated by the source
CertificationKnown for one	CE, UL, MIC, TUV, BSMI, C-Tick, CUL, RoHS	Unknown — not stated by the source
Poweridentical
Operating voltageKnown for one	Unknown — not stated by the source	5 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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