Product comparison · 2 internal hard drives

Lenovo 250GB ThinkPad 1.8" HDD vs Lenovo 450GB 3.5" SAS

Key differences

Differences highlightedShow differences only

Comparison of 250GB ThinkPad 1.8" HDD, 450GB 3.5" SAS
15 specifications	A Lenovo 250GB ThinkPad 1.8" HDD View product	B Lenovo 450GB 3.5" SAS 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	SAS
TypeKnown for one	Unknown — not stated by the source	HDD
Hot-swapKnown for one	Unknown — not stated by the source	Yes
Power1 differ
Operating voltageDiffers	3.3 V	5 / 12 V
Operational conditionsidentical
Operating temperature (T-T)Known for one	0 - 55 °C	Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	0 - 90%	Unknown — not stated by the source
Weight & dimensions3 differ
WidthDiffers	54 mm	101 mm
DepthDiffers	78.5 mm	147 mm
HeightDiffers	8 mm	26 mm
WeightKnown for one	620 g	Unknown — not stated by the source
Other featuresidentical
Internal	Yes	Yes
CertificationKnown for one	Unknown — not stated by the source	UL, C-Tick, CE, CSA, TUV, BSMI

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.