Product comparison · 2 internal hard drives

HP 450GB, SAS, 15K vs Seagate Momentus 5400.4 SATA 120GB

Key differences

Differences highlightedShow differences only

Comparison of 450GB, SAS, 15K, Momentus 5400.4 SATA 120GB
17 specifications	A HP 450GB, SAS, 15K View product	B Seagate Momentus 5400.4 SATA 120GB View product
Features3 differ
HDD capacityDiffers	450 GB	120 GB
HDD speedDiffers	15000 RPM	5400 RPM
InterfaceDiffers	SAS	Serial ATA
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
Read seek timeKnown for one	Unknown — not stated by the source	12 ms
Write seek timeKnown for one	Unknown — not stated by the source	14 ms
Average latencyKnown for one	Unknown — not stated by the source	5.6 ms
HDD sizeKnown for one	3.5"	Unknown — not stated by the source
TypeKnown for one	HDD	Unknown — not stated by the source
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
WeightKnown for one	Unknown — not stated by the source	102 g
Other featuresidentical
Internal	Yes	Yes
Poweridentical
Operating voltageKnown for one	5 / 12 V	Unknown — not stated by the source
Packaging dataidentical
Quantity per packKnown for one	1 pc(s)	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.