Product comparison · 2 internal hard drives

Samsung 40GB SATA Hard Drive vs Seagate Momentus 5400.2 40GB

13specifications compared
6differ
7identical
17known for one product only

Key differences

Interface
- 40GB SATA Hard Drive:Serial ATA
- Momentus 5400.2 40GB:Ultra-ATA/133
Average seek time
- 40GB SATA Hard Drive:12 ms
- Momentus 5400.2 40GB:12.5 ms
Width
- 40GB SATA Hard Drive:100 mm
- Momentus 5400.2 40GB:69.8 mm
Depth
- 40GB SATA Hard Drive:70 mm
- Momentus 5400.2 40GB:100.2 mm
Height
- 40GB SATA Hard Drive:9.4 mm
- Momentus 5400.2 40GB:9.5 mm
Drive device, transfer rate
- 40GB SATA Hard Drive:150 MB/s
- Momentus 5400.2 40GB:100 MB/s

Side by side

Differences highlightedShow differences only

Comparison of 40GB SATA Hard Drive, Momentus 5400.2 40GB
30 specifications	A Samsung 40GB SATA Hard Drive View product	B Seagate Momentus 5400.2 40GB View product
Features2 differ
HDD capacity	40 GB	40 GB
HDD speed	5400 RPM	5400 RPM
InterfaceDiffers	Serial ATA	Ultra-ATA/133
Component forKnown for one	Unknown — not stated by the source	Laptop
Storage drive buffer size	8 MB	8 MB
Average seek timeDiffers	12 ms	12.5 ms
Average latency	5.6 ms	5.6 ms
Bytes per sector	512	512
HDD sizeKnown for one	2.5"	Unknown — not stated by the source
Full stroke seek timeKnown for one	22 ms	Unknown — not stated by the source
Track to track seek timeKnown for one	2 ms	Unknown — not stated by the source
Start/stop cyclesKnown for one	600000	Unknown — not stated by the source
Mean time between failures (MTBF)Known for one	330000 h	Unknown — not stated by the source
Poweridentical
Power consumption (typical)Known for one	Unknown — not stated by the source	0.8 W
Power consumption (standby)Known for one	Unknown — not stated by the source	0.28 W
Operating voltageKnown for one	5 V	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	5 - 55 °C
Storage temperature (T-T)Known for one	Unknown — not stated by the source	-40 - 70 °C
Non-operating shockKnown for one	Unknown — not stated by the source	900 G
Weight & dimensions3 differ
WidthDiffers	100 mm	69.8 mm
DepthDiffers	70 mm	100.2 mm
HeightDiffers	9.4 mm	9.5 mm
Weight	100 g	100 g
Other features1 differ
Drive device, transfer rateDiffers	150 MB/s	100 MB/s
External power adapterKnown for one	Unknown — not stated by the source	No
Internal	Yes	Yes
Mac compatibilityKnown for one	Unknown — not stated by the source	No
USB poweredKnown for one	Unknown — not stated by the source	No
HDD transfer rateKnown for one	428 Mbit/s	Unknown — not stated by the source
Drive ready timeKnown for one	4 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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