Product comparison · 2 internal hard drives

Samsung Spinpoint M HM400LI internal hard drive vs Seagate Momentus 5400.4 250GB

10specifications compared
4differ
6identical
24known for one product only

Key differences

HDD capacity
- Spinpoint M HM400LI internal hard drive:400 GB
- Momentus 5400.4 250GB:250 GB
Interface
- Spinpoint M HM400LI internal hard drive:Serial ATA II
- Momentus 5400.4 250GB:Serial ATA
Depth
- Spinpoint M HM400LI internal hard drive:100 mm
- Momentus 5400.4 250GB:100.2 mm
Weight
- Spinpoint M HM400LI internal hard drive:115 g
- Momentus 5400.4 250GB:102 g

Side by side

Differences highlightedShow differences only

Comparison of HM400LI, Momentus 5400.4 250GB
34 specifications	A Samsung Spinpoint M HM400LI internal hard drive Model HM400LI View product	B Seagate Momentus 5400.4 250GB View product
Features2 differ
HDD capacityDiffers	400 GB	250 GB
HDD speed	5400 RPM	5400 RPM
HDD sizeKnown for one	2.5"	Unknown — not stated by the source
InterfaceDiffers	Serial ATA II	Serial ATA
Average seek timeKnown for one	12 ms	Unknown — not stated by the source
Average latency	5.6 ms	5.6 ms
Bytes per sectorKnown for one	512	Unknown — not stated by the source
Component forKnown for one	Unknown — not stated by the source	Laptop
Storage drive buffer sizeKnown for one	Unknown — not stated by the source	8 MB
Read seek timeKnown for one	Unknown — not stated by the source	12 ms
Write seek timeKnown for one	Unknown — not stated by the source	14 ms
Poweridentical
Power consumption (standby)Known for one	0.7 W	Unknown — not stated by the source
Operating voltageKnown for one	5 V	Unknown — not stated by the source
Start-up current	1 A	1 A
Operational conditionsidentical
Operating temperature (T-T)Known for one	5 - 55 °C	Unknown — not stated by the source
Storage temperature (T-T)Known for one	-40 - 70 °C	Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	5 - 90%	Unknown — not stated by the source
Storage relative humidity (H-H)Known for one	5 - 95%	Unknown — not stated by the source
Operating vibrationKnown for one	0.76 Grms	Unknown — not stated by the source
Operating altitudeKnown for one	-300 - 3000 m	Unknown — not stated by the source
Non-operating altitudeKnown for one	-400 - 15000 m	Unknown — not stated by the source
Operating shockKnown for one	325 G	Unknown — not stated by the source
Non-operating shockKnown for one	900 G	Unknown — not stated by the source
Weight & dimensions2 differ
Width	69.8 mm	69.8 mm
DepthDiffers	100 mm	100.2 mm
Height	9.5 mm	9.5 mm
WeightDiffers	115 g	102 g
Other featuresidentical
HDD transfer rateKnown for one	860 Mbit/s	Unknown — not stated by the source
Power requirementsKnown for one	+5V±5%	Unknown — not stated by the source
Drive ready timeKnown for one	5 s	Unknown — not stated by the source
Internal	Yes	Yes
Maximum data transfer rateKnown for one	300 Mbit/s	Unknown — not stated by the source
Plug and PlayKnown for one	Yes	Unknown — not stated by the source
Data transfer rateKnown for one	Unknown — not stated by the source	3 Gbit/s

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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