Product comparison · 2 internal hard drives

Lenovo HD 40GB Serial ATA 7200rpm f ThinkCentre vs Lenovo ThinkPad 100GB Serial ATA Hard Drive (5400rpm)

15specifications compared
11differ
4identical
2known for one product only

Key differences

The Lenovo ThinkPad 100GB Serial ATA Hard Drive (5400rpm) has 60 GB more HDD capacity than the Lenovo HD 40GB Serial ATA 7200rpm f ThinkCentre (100 GB vs 40 GB). The Lenovo HD 40GB Serial ATA 7200rpm f ThinkCentre has 1,800 RPM more HDD speed than the Lenovo ThinkPad 100GB Serial ATA Hard Drive (5400rpm) (7200 RPM vs 5400 RPM). The Lenovo HD 40GB Serial ATA 7200rpm f ThinkCentre has 1" more HDD size than the Lenovo ThinkPad 100GB Serial ATA Hard Drive (5400rpm) (3.5" vs 2.5"). Operating voltage: 5 / 12 V on the Lenovo HD 40GB Serial ATA 7200rpm f ThinkCentre, 5 V on the Lenovo ThinkPad 100GB Serial ATA Hard Drive (5400rpm). Operating temperature (T-T): 5 - 55 °C on the Lenovo HD 40GB Serial ATA 7200rpm f ThinkCentre, 5 - 35 °C on the Lenovo ThinkPad 100GB Serial ATA Hard Drive (5400rpm).

HDD capacity
- HD 40GB Serial ATA 7200rpm f ThinkCentre:40 GB
- ThinkPad 100GB Serial ATA Hard Drive (5400rpm):100 GB
HDD speed
- HD 40GB Serial ATA 7200rpm f ThinkCentre:7200 RPM
- ThinkPad 100GB Serial ATA Hard Drive (5400rpm):5400 RPM
HDD size
- HD 40GB Serial ATA 7200rpm f ThinkCentre:3.5"
- ThinkPad 100GB Serial ATA Hard Drive (5400rpm):2.5"
Storage drive buffer size
- HD 40GB Serial ATA 7200rpm f ThinkCentre:2 MB
- ThinkPad 100GB Serial ATA Hard Drive (5400rpm):8 MB
Access time
- HD 40GB Serial ATA 7200rpm f ThinkCentre:13.17 ms
- ThinkPad 100GB Serial ATA Hard Drive (5400rpm):16.17 ms
Average seek time
- HD 40GB Serial ATA 7200rpm f ThinkCentre:9 ms
- ThinkPad 100GB Serial ATA Hard Drive (5400rpm):12 ms
Operating voltage
- HD 40GB Serial ATA 7200rpm f ThinkCentre:5 / 12 V
- ThinkPad 100GB Serial ATA Hard Drive (5400rpm):5 V
Operating temperature (T-T)
- HD 40GB Serial ATA 7200rpm f ThinkCentre:5 - 55 °C
- ThinkPad 100GB Serial ATA Hard Drive (5400rpm):5 - 35 °C

Side by side

Differences highlightedShow differences only

Comparison of HD 40GB Serial ATA 7200rpm f ThinkCentre, ThinkPad 100GB Serial ATA Hard Drive (5400rpm)
17 specifications	A Lenovo HD 40GB Serial ATA 7200rpm f ThinkCentre View product	B Lenovo ThinkPad 100GB Serial ATA Hard Drive (5400rpm)View product
Features6 differ
HDD capacityDiffers	40 GB	100 GB
HDD speedDiffers	7200 RPM	5400 RPM
HDD sizeDiffers	3.5"	2.5"
Storage drive buffer sizeDiffers	2 MB	8 MB
Access timeDiffers	13.17 ms	16.17 ms
Average seek timeDiffers	9 ms	12 ms
HDD number of headsKnown for one	Unknown — not stated by the source	2
Power1 differ
Operating voltageDiffers	5 / 12 V	5 V
Operational conditions2 differ
Operating temperature (T-T)Differs	5 - 55 °C	5 - 35 °C
Operating relative humidity (H-H)Differs	8 - 90%	5 - 85%
Weight & dimensions1 differ
WeightDiffers	640 g	100 g
Other features1 differ
Dimensions (WxDxH)Differs	102 x 147 x 26 mm	70 x 100 x 10 mm
Sustained data rateKnown for one	58 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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