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" SATA

17specifications compared
4differ
13identical
2known for one product only

Key differences

The Acer 120GB 2.5" SATA 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" SATA 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). The Acer 120GB 2.5" SATA has 50 MB/s more drive device, transfer rate than the Acer 100GB 2.5" 4200rpm Seagate N2.2 ST9100825A F/W 3.06 hard disk drive (150 MB/s vs 100 MB/s). Interface: Ultra-ATA/100 on the Acer 100GB 2.5" 4200rpm Seagate N2.2 ST9100825A F/W 3.06 hard disk drive, Serial ATA on the Acer 120GB 2.5" SATA.

HDD capacity
- 100GB 2.5" 4200rpm Seagate N2.2 ST9100825A F/W 3.06 hard disk drive:100 GB
- 120GB 2.5" SATA:120 GB
HDD speed
- 100GB 2.5" 4200rpm Seagate N2.2 ST9100825A F/W 3.06 hard disk drive:4200 RPM
- 120GB 2.5" SATA:5400 RPM
Interface
- 100GB 2.5" 4200rpm Seagate N2.2 ST9100825A F/W 3.06 hard disk drive:Ultra-ATA/100
- 120GB 2.5" SATA:Serial ATA
Drive device, transfer rate
- 100GB 2.5" 4200rpm Seagate N2.2 ST9100825A F/W 3.06 hard disk drive:100 MB/s
- 120GB 2.5" SATA:150 MB/s

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" SATA
19 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" SATA View product
Features3 differ
HDD capacityDiffers	100 GB	120 GB
HDD speedDiffers	4200 RPM	5400 RPM
HDD size	2.5"	2.5"
InterfaceDiffers	Ultra-ATA/100	Serial ATA
TypeKnown for one	Unknown — not stated by the source	HDD
Storage drive buffer sizeKnown for one	Unknown — not stated by the source	8 MB
Average seek time	12.5 ms	12.5 ms
Average latency	5.6 ms	5.6 ms
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 features1 differ
Dimensions (WxDxH)	70 x 100 x 9.5 mm	70 x 100 x 9.5 mm
Drive device, transfer rateDiffers	100 MB/s	150 MB/s
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.

More internal hard drive comparisons

All internal hard drive comparisons