Product comparison · 2 internal hard drives

Acer 120GB 2.5" SATA vs Lenovo ThinkPad 80 GB 5400 rpm Serial ATA Hard Drive

Key differences

HDD capacity
- 120GB 2.5" SATA:120 GB
- ThinkPad 80 GB 5400 rpm Serial ATA Hard Drive:80 GB
Storage drive buffer size
- 120GB 2.5" SATA:8 MB
- ThinkPad 80 GB 5400 rpm Serial ATA Hard Drive:2 MB
Average seek time
- 120GB 2.5" SATA:12.5 ms
- ThinkPad 80 GB 5400 rpm Serial ATA Hard Drive:13 ms
Average latency
- 120GB 2.5" SATA:5.6 ms
- ThinkPad 80 GB 5400 rpm Serial ATA Hard Drive:5.5 ms
Weight
- 120GB 2.5" SATA:100 g
- ThinkPad 80 GB 5400 rpm Serial ATA Hard Drive:102 g

Differences highlightedShow differences only

Comparison of 120GB 2.5" SATA, ThinkPad 80 GB 5400 rpm Serial ATA Hard Drive
20 specifications	A Acer 120GB 2.5" SATA View product	B Lenovo ThinkPad 80 GB 5400 rpm Serial ATA Hard Drive View product
Features4 differ
HDD capacityDiffers	120 GB	80 GB
HDD speed	5400 RPM	5400 RPM
HDD size	2.5"	2.5"
Interface	Serial ATA	Serial ATA
TypeKnown for one	HDD	Unknown — not stated by the source
Storage drive buffer sizeDiffers	8 MB	2 MB
Average seek timeDiffers	12.5 ms	13 ms
Average latencyDiffers	5.6 ms	5.5 ms
Poweridentical
Operating voltage	5 V	5 V
Operational conditionsidentical
Operating temperature (T-T)	5 - 55 °C	5 - 55 °C
Storage temperature (T-T)Known for one	-40 - 70 °C	Unknown — not stated by the source
Operating shockKnown for one	250 G	Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	8 - 90%
Weight & dimensions1 differ
Width	70 mm	70 mm
Depth	100 mm	100 mm
Height	9.5 mm	9.5 mm
WeightDiffers	100 g	102 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	150 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.