Product comparison · 2 internal hard drives

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

10specifications compared
6differ
4identical
8known for one product only

Key differences

The Lenovo ThinkPad 100GB 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 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 Hard Drive (5400rpm) has 6 MB more storage drive buffer size than the Lenovo HD 30GB 4200rpm f ThinkPad (8 MB vs 2 MB). 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 Hard Drive (5400rpm).

HDD capacity
- HD 30GB 4200rpm f ThinkPad:30 GB
- ThinkPad 100GB Hard Drive (5400rpm):100 GB
HDD speed
- HD 30GB 4200rpm f ThinkPad:4200 RPM
- ThinkPad 100GB Hard Drive (5400rpm):5400 RPM
Storage drive buffer size
- HD 30GB 4200rpm f ThinkPad:2 MB
- ThinkPad 100GB Hard Drive (5400rpm):8 MB
Average latency
- HD 30GB 4200rpm f ThinkPad:5.5 ms
- ThinkPad 100GB Hard Drive (5400rpm):5.56 ms
Weight
- HD 30GB 4200rpm f ThinkPad:155 g
- ThinkPad 100GB Hard Drive (5400rpm):100 g
Dimensions (WxDxH)
- HD 30GB 4200rpm f ThinkPad:70 x 100 x 9.5 mm
- ThinkPad 100GB 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 Hard Drive (5400rpm)
18 specifications	A Lenovo HD 30GB 4200rpm f ThinkPad View product	B Lenovo ThinkPad 100GB Hard Drive (5400rpm)View product
Features4 differ
HDD capacityDiffers	30 GB	100 GB
HDD speedDiffers	4200 RPM	5400 RPM
HDD sizeKnown for one	2.5"	Unknown — not stated by the source
Storage drive buffer sizeDiffers	2 MB	8 MB
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
Average latencyDiffers	5.5 ms	5.56 ms
Access timeKnown for one	Unknown — not stated by the source	17.56 ms
Average seek timeKnown for one	Unknown — not stated by the source	12 ms
Poweridentical
Operating voltageKnown for one	5 V	Unknown — not stated by the source
Operational conditionsidentical
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
Dimensions (WxDxH)Differs	70 x 100 x 9.5 mm	70 x 100 x 10 mm
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.

More internal hard drive comparisons

All internal hard drive comparisons