Product comparison · 2 internal hard drives

Lenovo HD 40GB ATA100 EIDE SL 7200rpm f TC vs Lenovo Thinkpad 80GB

Key differences

HDD capacity
- HD 40GB ATA100 EIDE SL 7200rpm f TC:40 GB
- Thinkpad 80GB:80 GB
HDD speed
- HD 40GB ATA100 EIDE SL 7200rpm f TC:7200 RPM
- Thinkpad 80GB:5400 RPM
HDD size
- HD 40GB ATA100 EIDE SL 7200rpm f TC:3.5"
- Thinkpad 80GB:2.5"
Storage drive buffer size
- HD 40GB ATA100 EIDE SL 7200rpm f TC:2 MB
- Thinkpad 80GB:8 MB
Average seek time
- HD 40GB ATA100 EIDE SL 7200rpm f TC:8.7 ms
- Thinkpad 80GB:12 ms
Average latency
- HD 40GB ATA100 EIDE SL 7200rpm f TC:4.2 ms
- Thinkpad 80GB:5.5 ms
Operating voltage
- HD 40GB ATA100 EIDE SL 7200rpm f TC:5 / 12 V
- Thinkpad 80GB:5 V
Operating temperature (T-T)
- HD 40GB ATA100 EIDE SL 7200rpm f TC:5 - 85 °C
- Thinkpad 80GB:5 - 55 °C

Differences highlightedShow differences only

Comparison of HD 40GB ATA100 EIDE SL 7200rpm f TC, Thinkpad 80GB
19 specifications	A Lenovo HD 40GB ATA100 EIDE SL 7200rpm f TC View product	B Lenovo Thinkpad 80GB View product
Features6 differ
HDD capacityDiffers	40 GB	80 GB
HDD speedDiffers	7200 RPM	5400 RPM
HDD sizeDiffers	3.5"	2.5"
Interface	Ultra-ATA/100	Ultra-ATA/100
TypeKnown for one	Unknown — not stated by the source	HDD
Storage drive buffer sizeDiffers	2 MB	8 MB
Average seek timeDiffers	8.7 ms	12 ms
Average latencyDiffers	4.2 ms	5.5 ms
Power1 differ
Operating voltageDiffers	5 / 12 V	5 V
Operational conditions1 differ
Operating temperature (T-T)Differs	5 - 85 °C	5 - 55 °C
Weight & dimensions1 differ
WidthKnown for one	Unknown — not stated by the source	70 mm
DepthKnown for one	Unknown — not stated by the source	10 mm
HeightKnown for one	Unknown — not stated by the source	100 mm
WeightDiffers	590 g	102 g
Other features1 differ
Dimensions (WxDxH)Differs	102 x 147 x 26 mm	69.85 x 100.2 x 9.5 mm
Internal	Yes	Yes
Compatible operating systemsKnown for one	MS-DOS 6.22 PC DOS 7.0 PC DOS 2000 Microsoft Windows 3.1 Windows 95 A version Windows 95 B version Windows 2000 Windows NT 4.0 Windows 98 Windows Me OS/2 4.0 NetWare 4.x Linux	Unknown — not stated by the source
Sustained data rateKnown for one	20 MB/s	Unknown — not stated by the source
I/O portsKnown for one	40 pin IDC	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.