Product comparison · 2 internal hard drives

Seagate 40GB 2.5" Ultra ATA/100 vs Seagate 60GB 2.5" Ultra ATA/100

Key differences

The Seagate 60GB 2.5" Ultra ATA/100 has 20 GB more HDD capacity than the Seagate 40GB 2.5" Ultra ATA/100 (60 GB vs 40 GB).

Differences highlightedShow differences only

Comparison of 40GB 2.5" Ultra ATA/100, 60GB 2.5" Ultra ATA/100
25 specifications	A Seagate 40GB 2.5" Ultra ATA/100 View product	B Seagate 60GB 2.5" Ultra ATA/100 View product
Features1 differ
HDD capacityDiffers	40 GB	60 GB
HDD speed	5400 RPM	5400 RPM
HDD size	2.5"	2.5"
Interface	Ultra-ATA/100	Ultra-ATA/100
Type	HDD	HDD
Component for	Laptop	Laptop
Storage drive buffer size	8 MB	8 MB
HDD number of cylindersKnown for one	16383	Unknown — not stated by the source
HDD number of heads	2	2
Access timeKnown for one	12.5 ms	Unknown — not stated by the source
Average latency	5.6 ms	5.6 ms
Bytes per sectorKnown for one	512	Unknown — not stated by the source
Average seek timeKnown for one	Unknown — not stated by the source	12.5 ms
Poweridentical
Power consumption (standby)	0.26 W	0.26 W
Power consumption (idle)	0.8 W	0.8 W
Power consumption (read)	1.8 W	1.8 W
Power consumption (write)	1.8 W	1.8 W
Operating voltage	5 V	5 V
Start-up currentKnown for one	1 A	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)	5 - 55 °C	5 - 55 °C
Storage temperature (T-T)	-40 - 70 °C	-40 - 70 °C
Weight & dimensionsidentical
Width	69.8 mm	69.8 mm
Depth	100.2 mm	100.2 mm
Height	9.5 mm	9.5 mm
Weight	100 g	100 g

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.