Product comparison · 2 internal hard drives

Lenovo 09N4254 internal hard drive vs Lenovo THINKPAD 40GB MINI HDD

Key differences

HDD capacity
- 09N4254 internal hard drive:160 GB
- THINKPAD 40GB MINI HDD:40 GB
HDD speed
- 09N4254 internal hard drive:7200 RPM
- THINKPAD 40GB MINI HDD:4200 RPM
Interface
- 09N4254 internal hard drive:Serial ATA
- THINKPAD 40GB MINI HDD:Ultra-ATA/100
Storage drive buffer size
- 09N4254 internal hard drive:8 MB
- THINKPAD 40GB MINI HDD:2 MB
Average seek time
- 09N4254 internal hard drive:9 ms
- THINKPAD 40GB MINI HDD:15 ms
Average latency
- 09N4254 internal hard drive:4.17 ms
- THINKPAD 40GB MINI HDD:7.1 ms
Operating temperature (T-T)
- 09N4254 internal hard drive:5 - 55 °C
- THINKPAD 40GB MINI HDD:5 - 35 °C
Weight
- 09N4254 internal hard drive:640 g
- THINKPAD 40GB MINI HDD:67 g

Differences highlightedShow differences only

Comparison of 09N4254, THINKPAD 40GB MINI HDD
16 specifications	A Lenovo 09N4254 internal hard drive Model 09N4254 View product	B Lenovo THINKPAD 40GB MINI HDD View product
Features6 differ
HDD capacityDiffers	160 GB	40 GB
HDD speedDiffers	7200 RPM	4200 RPM
HDD sizeKnown for one	3.5"	Unknown — not stated by the source
InterfaceDiffers	Serial ATA	Ultra-ATA/100
TypeKnown for one	HDD	Unknown — not stated by the source
Storage drive buffer sizeDiffers	8 MB	2 MB
Average seek timeDiffers	9 ms	15 ms
Average latencyDiffers	4.17 ms	7.1 ms
Poweridentical
Operating voltageKnown for one	5 / 12 V	Unknown — not stated by the source
Operational conditions1 differ
Operating temperature (T-T)Differs	5 - 55 °C	5 - 35 °C
Weight & dimensions1 differ
WidthKnown for one	102 mm	Unknown — not stated by the source
DepthKnown for one	25.9 mm	Unknown — not stated by the source
HeightKnown for one	146.7 mm	Unknown — not stated by the source
WeightDiffers	640 g	67 g
Other featuresidentical
Dimensions (WxDxH)Known for one	Unknown — not stated by the source	69.85 x 60 x 9.5 mm
InternalKnown for one	Unknown — not stated by the source	Yes

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.