Product comparison · 2 internal hard drives

Seagate 7200.9 320 GB vs Seagate XT 750GB

Key differences

Differences highlightedShow differences only

Comparison of 7200.9 320 GB, XT 750GB
23 specifications	A Seagate 7200.9 320 GB View product	B Seagate XT 750GB View product
Features5 differ
HDD capacityDiffers	320 GB	750 GB
HDD speed	7200 RPM	7200 RPM
HDD size	2.5"	2.5"
InterfaceDiffers	Serial ATA	Serial ATA III
Component forKnown for one	Unknown — not stated by the source	Laptop
Storage drive buffer sizeDiffers	16 MB	32 MB
Read seek timeDiffers	8 ms	11 ms
Write seek timeDiffers	9 ms	13 ms
Poweridentical
Power consumption (idle)Known for one	Unknown — not stated by the source	0.8 W
Operating voltage	5 V	5 V
Start-up currentKnown for one	Unknown — not stated by the source	1 A
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	0 - 60 °C
Storage temperature (T-T)Known for one	Unknown — not stated by the source	-40 - 70 °C
Operating shockKnown for one	Unknown — not stated by the source	350 G
Non-operating shockKnown for one	Unknown — not stated by the source	900 G
Weight & dimensions4 differ
WidthDiffers	101.6 mm	69.8 mm
DepthDiffers	147 mm	100 mm
HeightDiffers	26.1 mm	9.5 mm
WeightDiffers	655 g	115 g
Other featuresidentical
Product colourKnown for one	Unknown — not stated by the source	Silver
Data transfer rateKnown for one	Unknown — not stated by the source	6 Gbit/s
Maximum data transfer rateKnown for one	Unknown — not stated by the source	6000 Mbit/s
Drive device speedKnown for one	7200 RPM	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.