Product comparison · 2 internal hard drives

Lenovo HD 30GB 4200rpm f ThinkPad vs Lenovo ThinkPad 100GB Serial ATA Hard Drive (5400rpm)

12specifications compared
7differ
5identical
7known for one product only

Key differences

The Lenovo ThinkPad 100GB Serial ATA Hard Drive (5400rpm) has 70 GB more HDD capacity than the Lenovo HD 30GB 4200rpm f ThinkPad (100 GB vs 30 GB). The Lenovo ThinkPad 100GB Serial ATA Hard Drive (5400rpm) has 1,200 RPM more HDD speed than the Lenovo HD 30GB 4200rpm f ThinkPad (5400 RPM vs 4200 RPM). The Lenovo ThinkPad 100GB Serial ATA Hard Drive (5400rpm) has 6 MB more storage drive buffer size than the Lenovo HD 30GB 4200rpm f ThinkPad (8 MB vs 2 MB). Interface: Ultra-ATA/100 on the Lenovo HD 30GB 4200rpm f ThinkPad, Serial ATA on the Lenovo ThinkPad 100GB Serial ATA Hard Drive (5400rpm). Dimensions (WxDxH): 70 x 100 x 9.5 mm on the Lenovo HD 30GB 4200rpm f ThinkPad, 70 x 100 x 10 mm on the Lenovo ThinkPad 100GB Serial ATA Hard Drive (5400rpm).

HDD capacity
- HD 30GB 4200rpm f ThinkPad:30 GB
- ThinkPad 100GB Serial ATA Hard Drive (5400rpm):100 GB
HDD speed
- HD 30GB 4200rpm f ThinkPad:4200 RPM
- ThinkPad 100GB Serial ATA Hard Drive (5400rpm):5400 RPM
Interface
- HD 30GB 4200rpm f ThinkPad:Ultra-ATA/100
- ThinkPad 100GB Serial ATA Hard Drive (5400rpm):Serial ATA
Storage drive buffer size
- HD 30GB 4200rpm f ThinkPad:2 MB
- ThinkPad 100GB Serial ATA Hard Drive (5400rpm):8 MB
Average latency
- HD 30GB 4200rpm f ThinkPad:5.5 ms
- ThinkPad 100GB Serial ATA Hard Drive (5400rpm):4.17 ms
Weight
- HD 30GB 4200rpm f ThinkPad:155 g
- ThinkPad 100GB Serial ATA Hard Drive (5400rpm):100 g
Dimensions (WxDxH)
- HD 30GB 4200rpm f ThinkPad:70 x 100 x 9.5 mm
- ThinkPad 100GB Serial ATA Hard Drive (5400rpm):70 x 100 x 10 mm

Side by side

Differences highlightedShow differences only

Comparison of HD 30GB 4200rpm f ThinkPad, ThinkPad 100GB Serial ATA Hard Drive (5400rpm)
19 specifications	A Lenovo HD 30GB 4200rpm f ThinkPad View product	B Lenovo ThinkPad 100GB Serial ATA Hard Drive (5400rpm)View product
Features5 differ
HDD capacityDiffers	30 GB	100 GB
HDD speedDiffers	4200 RPM	5400 RPM
HDD size	2.5"	2.5"
InterfaceDiffers	Ultra-ATA/100	Serial ATA
Storage drive buffer sizeDiffers	2 MB	8 MB
HDD number of heads	2	2
Access timeKnown for one	Unknown — not stated by the source	16.17 ms
Average seek timeKnown for one	Unknown — not stated by the source	12 ms
Average latencyDiffers	5.5 ms	4.17 ms
Read seek timeKnown for one	12 ms	Unknown — not stated by the source
Write seek timeKnown for one	14 ms	Unknown — not stated by the source
Poweridentical
Operating voltage	5 V	5 V
Operational conditionsidentical
Operating temperature (T-T)	5 - 35 °C	5 - 35 °C
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	5 - 85%
Weight & dimensions1 differ
WeightDiffers	155 g	100 g
Other features1 differ
HDD transfer rateKnown for one	Unknown — not stated by the source	150 Mbit/s
Dimensions (WxDxH)Differs	70 x 100 x 9.5 mm	70 x 100 x 10 mm
Internal	Yes	Yes
Compatible operating systemsKnown for one	Microsoft Windows 98/Windows 2000/Windows XP	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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