Product comparison · 2 internal hard drives

Seagate Momentus 5400.3 100GB SATA 25pk bulk vs Seagate Momentus 5400.3 120GB SATA 5400RPM 25pk

22specifications compared
2differ
20identical
8known for one product only

Key differences

The Seagate Momentus 5400.3 120GB SATA 5400RPM 25pk has 20 GB more HDD capacity than the Seagate Momentus 5400.3 100GB SATA 25pk bulk (120 GB vs 100 GB). The Seagate Momentus 5400.3 120GB SATA 5400RPM 25pk has 1.5 ms more average seek time than the Seagate Momentus 5400.3 100GB SATA 25pk bulk (12.5 ms vs 11 ms).

HDD capacity
- Momentus 5400.3 100GB SATA 25pk bulk:100 GB
- Momentus 5400.3 120GB SATA 5400RPM 25pk:120 GB
Average seek time
- Momentus 5400.3 100GB SATA 25pk bulk:11 ms
- Momentus 5400.3 120GB SATA 5400RPM 25pk:12.5 ms

Side by side

Differences highlightedShow differences only

Comparison of Momentus 5400.3 100GB SATA 25pk bulk, Momentus 5400.3 120GB SATA 5400RPM 25pk
30 specifications	A Seagate Momentus 5400.3 100GB SATA 25pk bulk View product	B Seagate Momentus 5400.3 120GB SATA 5400RPM 25pk View product
Features2 differ
HDD capacityDiffers	100 GB	120 GB
HDD speed	5400 RPM	5400 RPM
HDD size	2.5"	2.5"
Interface	Serial ATA	Serial ATA
Component for	Laptop	Laptop
Storage drive buffer size	8 MB	8 MB
HDD number of cylindersKnown for one	1024	Unknown — not stated by the source
HDD number of headsKnown for one	256	Unknown — not stated by the source
Read seek timeKnown for one	22 ms	Unknown — not stated by the source
Write seek timeKnown for one	24 ms	Unknown — not stated by the source
Average seek timeDiffers	11 ms	12.5 ms
Average latency	5.6 ms	5.6 ms
Poweridentical
Power consumption (standby)	0.2 W	0.2 W
Operating voltage	5 V	5 V
Start-up current	1 A	1 A
Operational conditionsidentical
Operating shock	350 G	350 G
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
Non-operating shockKnown for one	Unknown — not stated by the source	900 G
Weight & dimensionsidentical
Width	69.8 mm	69.8 mm
Depth	100.2 mm	100.2 mm
Height	9.5 mm	9.5 mm
Weight	102 g	102 g
Other featuresidentical
Dimensions (WxDxH)	69.85 x 100.2 x 9.5 mm	69.85 x 100.2 x 9.5 mm
Drive device, transfer rate	150 MB/s	150 MB/s
External power adapter	No	No
Internal	Yes	Yes
Mac compatibility	No	No
Plug and PlayKnown for one	Yes	Unknown — not stated by the source
USB powered	No	No

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.

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