Product comparison · 2 internal hard drives

Lenovo 120GB Serial ATA 5400rpm hard drive vs Seagate Momentus 5400.3 - 100GB - 5400rpm SATA

9specifications compared
3differ
6identical
11known for one product only

Key differences

The Lenovo 120GB Serial ATA 5400rpm hard drive has 20 GB more HDD capacity than the Seagate Momentus 5400.3 - 100GB - 5400rpm SATA (120 GB vs 100 GB). The Seagate Momentus 5400.3 - 100GB - 5400rpm SATA has 0.1 ms more average latency than the Lenovo 120GB Serial ATA 5400rpm hard drive (5.6 ms vs 5.5 ms). The Lenovo 120GB Serial ATA 5400rpm hard drive has 2 g more weight than the Seagate Momentus 5400.3 - 100GB - 5400rpm SATA (102 g vs 100 g).

HDD capacity
- 120GB Serial ATA 5400rpm hard drive:120 GB
- Momentus 5400.3 - 100GB - 5400rpm SATA:100 GB
Average latency
- 120GB Serial ATA 5400rpm hard drive:5.5 ms
- Momentus 5400.3 - 100GB - 5400rpm SATA:5.6 ms
Weight
- 120GB Serial ATA 5400rpm hard drive:102 g
- Momentus 5400.3 - 100GB - 5400rpm SATA:100 g

Side by side

Differences highlightedShow differences only

Comparison of 120GB Serial ATA 5400rpm hard drive, Momentus 5400.3 - 100GB - 5400rpm SATA
20 specifications	A Lenovo 120GB Serial ATA 5400rpm hard drive View product	B Seagate Momentus 5400.3 - 100GB - 5400rpm SATA View product
Features2 differ
HDD capacityDiffers	120 GB	100 GB
HDD speed	5400 RPM	5400 RPM
HDD sizeKnown for one	2.5"	Unknown — not stated by the source
Interface	Serial ATA	Serial ATA
Storage drive buffer sizeKnown for one	8 MB	Unknown — not stated by the source
Average seek timeKnown for one	11 ms	Unknown — not stated by the source
Average latencyDiffers	5.5 ms	5.6 ms
Component forKnown for one	Unknown — not stated by the source	Laptop
Read seek timeKnown for one	Unknown — not stated by the source	11 ms
Write seek timeKnown for one	Unknown — not stated by the source	13 ms
Poweridentical
Operating voltageKnown for one	5 V	Unknown — not stated by the source
Start-up currentKnown for one	Unknown — not stated by the source	1 A
Operational conditionsidentical
Operating temperature (T-T)Known for one	5 - 55 °C	Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	8 - 90%	Unknown — not stated by the source
Weight & dimensions1 differ
Width	70 mm	70 mm
Depth	100 mm	100 mm
Height	9.5 mm	9.5 mm
WeightDiffers	102 g	100 g
Other featuresidentical
Dimensions (WxDxH)Known for one	70 x 100 x 9.5 mm	Unknown — not stated by the source
Internal	Yes	Yes

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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