Product comparison · 2 internal hard drives

Acer 100GB 2.5" 4200rpm Seagate N2.2 ST9100825A F/W 3.06 hard disk drive vs Acer 120GB 2.5" 5400rpm Seagate Merrcury2 ST9120821A (RohS) (option)

16specifications compared
2differ
14identical
2known for one product only

Key differences

The Acer 120GB 2.5" 5400rpm Seagate Merrcury2 ST9120821A (RohS) (option) has 20 GB more HDD capacity than the Acer 100GB 2.5" 4200rpm Seagate N2.2 ST9100825A F/W 3.06 hard disk drive (120 GB vs 100 GB). The Acer 120GB 2.5" 5400rpm Seagate Merrcury2 ST9120821A (RohS) (option) has 1,200 RPM more HDD speed than the Acer 100GB 2.5" 4200rpm Seagate N2.2 ST9100825A F/W 3.06 hard disk drive (5400 RPM vs 4200 RPM).

HDD capacity
- 100GB 2.5" 4200rpm Seagate N2.2 ST9100825A F/W 3.06 hard disk drive:100 GB
- 120GB 2.5" 5400rpm Seagate Merrcury2 ST9120821A (RohS) (option):120 GB
HDD speed
- 100GB 2.5" 4200rpm Seagate N2.2 ST9100825A F/W 3.06 hard disk drive:4200 RPM
- 120GB 2.5" 5400rpm Seagate Merrcury2 ST9120821A (RohS) (option):5400 RPM

Side by side

Differences highlightedShow differences only

Comparison of 100GB 2.5" 4200rpm Seagate N2.2 ST9100825A F/W 3.06 hard disk drive, 120GB 2.5" 5400rpm Seagate Merrcury2 ST9120821A (RohS) (option)
18 specifications	A Acer 100GB 2.5" 4200rpm Seagate N2.2 ST9100825A F/W 3.06 hard disk drive View product	B Acer 120GB 2.5" 5400rpm Seagate Merrcury2 ST9120821A (RohS) (option)View product
Features2 differ
HDD capacityDiffers	100 GB	120 GB
HDD speedDiffers	4200 RPM	5400 RPM
HDD size	2.5"	2.5"
Interface	Ultra-ATA/100	Ultra-ATA/100
Average seek time	12.5 ms	12.5 ms
Average latency	5.6 ms	5.6 ms
Storage drive buffer sizeKnown for one	Unknown — not stated by the source	8 MB
Poweridentical
Operating voltage	5 V	5 V
Operational conditionsidentical
Operating temperature (T-T)	5 - 55 °C	5 - 55 °C
Storage temperature (T-T)	-40 - 70 °C	-40 - 70 °C
Operating shock	250 G	250 G
Weight & dimensionsidentical
Width	70 mm	70 mm
Depth	100 mm	100 mm
Height	9.5 mm	9.5 mm
Weight	100 g	100 g
Other featuresidentical
Dimensions (WxDxH)	70 x 100 x 9.5 mm	70 x 100 x 9.5 mm
Drive device, transfer rateKnown for one	100 MB/s	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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