Product comparison · 2 internal hard drives

Acer 120GB 2.5" 4200rpm HGST HTS421212H9AT00 (ROHS) (option) vs Lenovo ThinkPad 80 GB 5400 rpm Serial ATA Hard Drive

13specifications compared
7differ
6identical
5known for one product only

Key differences

The Acer 120GB 2.5" 4200rpm HGST HTS421212H9AT00 (ROHS) (option) has 40 GB more HDD capacity than the Lenovo ThinkPad 80 GB 5400 rpm Serial ATA Hard Drive (120 GB vs 80 GB). The Lenovo ThinkPad 80 GB 5400 rpm Serial ATA Hard Drive has 1,200 RPM more HDD speed than the Acer 120GB 2.5" 4200rpm HGST HTS421212H9AT00 (ROHS) (option) (5400 RPM vs 4200 RPM). The Acer 120GB 2.5" 4200rpm HGST HTS421212H9AT00 (ROHS) (option) has 6 MB more storage drive buffer size than the Lenovo ThinkPad 80 GB 5400 rpm Serial ATA Hard Drive (8 MB vs 2 MB). Interface: Ultra-ATA/133 on the Acer 120GB 2.5" 4200rpm HGST HTS421212H9AT00 (ROHS) (option), Serial ATA on the Lenovo ThinkPad 80 GB 5400 rpm Serial ATA Hard Drive.

HDD capacity
- 120GB 2.5" 4200rpm HGST HTS421212H9AT00 (ROHS) (option):120 GB
- ThinkPad 80 GB 5400 rpm Serial ATA Hard Drive:80 GB
HDD speed
- 120GB 2.5" 4200rpm HGST HTS421212H9AT00 (ROHS) (option):4200 RPM
- ThinkPad 80 GB 5400 rpm Serial ATA Hard Drive:5400 RPM
Interface
- 120GB 2.5" 4200rpm HGST HTS421212H9AT00 (ROHS) (option):Ultra-ATA/133
- ThinkPad 80 GB 5400 rpm Serial ATA Hard Drive:Serial ATA
Storage drive buffer size
- 120GB 2.5" 4200rpm HGST HTS421212H9AT00 (ROHS) (option):8 MB
- ThinkPad 80 GB 5400 rpm Serial ATA Hard Drive:2 MB
Average seek time
- 120GB 2.5" 4200rpm HGST HTS421212H9AT00 (ROHS) (option):11 ms
- ThinkPad 80 GB 5400 rpm Serial ATA Hard Drive:13 ms
Average latency
- 120GB 2.5" 4200rpm HGST HTS421212H9AT00 (ROHS) (option):7.1 ms
- ThinkPad 80 GB 5400 rpm Serial ATA Hard Drive:5.5 ms
Weight
- 120GB 2.5" 4200rpm HGST HTS421212H9AT00 (ROHS) (option):99 g
- ThinkPad 80 GB 5400 rpm Serial ATA Hard Drive:102 g

Side by side

Differences highlightedShow differences only

Comparison of 120GB 2.5" 4200rpm HGST HTS421212H9AT00 (ROHS) (option), ThinkPad 80 GB 5400 rpm Serial ATA Hard Drive
18 specifications	A Acer 120GB 2.5" 4200rpm HGST HTS421212H9AT00 (ROHS) (option)View product	B Lenovo ThinkPad 80 GB 5400 rpm Serial ATA Hard Drive View product
Features6 differ
HDD capacityDiffers	120 GB	80 GB
HDD speedDiffers	4200 RPM	5400 RPM
HDD sizeKnown for one	Unknown — not stated by the source	2.5"
InterfaceDiffers	Ultra-ATA/133	Serial ATA
Storage drive buffer sizeDiffers	8 MB	2 MB
Average seek timeDiffers	11 ms	13 ms
Average latencyDiffers	7.1 ms	5.5 ms
Poweridentical
Operating voltageKnown for one	Unknown — not stated by the source	5 V
Operational conditionsidentical
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	8 - 90%
Storage temperature (T-T)Known for one	-40 - 65 °C	Unknown — not stated by the source
Weight & dimensions1 differ
WeightDiffers	99 g	102 g
Other featuresidentical
Drive device, transfer rateKnown for one	380 MB/s	Unknown — not stated by the source

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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