Product comparison · 2 internal hard drives

Seagate Momentus XT vs Seagate Momentus XT internal hard drive

Key differences

HDD capacity
- Momentus XT:1 TB
- Momentus XT internal hard drive:500 GB
HDD number of cylinders
- Momentus XT:2
- Momentus XT internal hard drive:1
HDD number of heads
- Momentus XT:4
- Momentus XT internal hard drive:2
Power consumption (typical)
- Momentus XT:2.7 W
- Momentus XT internal hard drive:2.5 W
Height
- Momentus XT:9.5 mm
- Momentus XT internal hard drive:7 mm
Weight
- Momentus XT:115 g
- Momentus XT internal hard drive:95 g

Differences highlightedShow differences only

Comparison of Momentus XT, XT
21 specifications	A Seagate Momentus XT View product	B Seagate Momentus XT internal hard drive Model XT View product
Features3 differ
HDD capacityDiffers	1 TB	500 GB
HDD speed	7200 RPM	7200 RPM
HDD size	2.5"	2.5"
Interface	Serial ATA III	Serial ATA III
Type	Hybrid-HDD	Hybrid-HDD
Component for	Laptop	Laptop
HDD number of cylindersDiffers	2	1
HDD number of headsDiffers	4	2
Bytes per sector	4096	4096
Start/stop cycles	600000	600000
Power1 differ
Power consumption (typical)Differs	2.7 W	2.5 W
Power consumption (idle)	0.9 W	0.9 W
Operating voltage	5 V	5 V
Operational conditionsidentical
Operating temperature (T-T)	0 - 60 °C	0 - 60 °C
Storage temperature (T-T)	-40 - 70 °C	-40 - 70 °C
Operating shock	350 G	350 G
Non-operating shock	1000 G	1000 G
Weight & dimensions2 differ
Width	69.8 mm	69.8 mm
Depth	100.3 mm	100.3 mm
HeightDiffers	9.5 mm	7 mm
WeightDiffers	115 g	95 g

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