Product comparison · 2 internal hard drives

Samsung 250GB SATA vs Samsung Spinpoint M HM400LI internal hard drive

23specifications compared
8differ
15identical
13known for one product only

Key differences

HDD capacity
- 250GB SATA:250 GB
- Spinpoint M HM400LI internal hard drive:400 GB
Interface
- 250GB SATA:Serial ATA
- Spinpoint M HM400LI internal hard drive:Serial ATA II
Power consumption (standby)
- 250GB SATA:0.25 W
- Spinpoint M HM400LI internal hard drive:0.7 W
Operating vibration
- 250GB SATA:0.7 G
- Spinpoint M HM400LI internal hard drive:0.76 Grms
Non-operating shock
- 250GB SATA:1000 G
- Spinpoint M HM400LI internal hard drive:900 G
Weight
- 250GB SATA:102 g
- Spinpoint M HM400LI internal hard drive:115 g
Drive ready time
- 250GB SATA:4 s
- Spinpoint M HM400LI internal hard drive:5 s
Maximum data transfer rate
- 250GB SATA:826 Mbit/s
- Spinpoint M HM400LI internal hard drive:300 Mbit/s

Side by side

Differences highlightedShow differences only

Comparison of 250GB SATA, HM400LI
36 specifications	A Samsung 250GB SATA View product	B Samsung Spinpoint M HM400LI internal hard drive Model HM400LI View product
Features2 differ
HDD capacityDiffers	250 GB	400 GB
HDD speed	5400 RPM	5400 RPM
HDD size	2.5"	2.5"
InterfaceDiffers	Serial ATA	Serial ATA II
TypeKnown for one	HDD	Unknown — not stated by the source
Storage drive buffer sizeKnown for one	8 MB	Unknown — not stated by the source
HDD interface transfer rateKnown for one	1.5 Gbit/s	Unknown — not stated by the source
Average seek time	12 ms	12 ms
Bytes per sector	512	512
Average latencyKnown for one	Unknown — not stated by the source	5.6 ms
Power1 differ
Power consumption (standby)Differs	0.25 W	0.7 W
Power consumption (off)Known for one	0.2 W	Unknown — not stated by the source
Power consumption (read)Known for one	2 W	Unknown — not stated by the source
Power consumption (write)Known for one	2 W	Unknown — not stated by the source
Operating voltage	5 V	5 V
Start-up currentKnown for one	Unknown — not stated by the source	1 A
Operational conditions2 differ
Operating temperature (T-T)	5 - 55 °C	5 - 55 °C
Storage temperature (T-T)	-40 - 70 °C	-40 - 70 °C
Operating relative humidity (H-H)	5 - 90%	5 - 90%
Storage relative humidity (H-H)	5 - 95%	5 - 95%
Operating vibrationDiffers	0.7 G	0.76 Grms
Operating altitude	-300 - 3000 m	-300 - 3000 m
Non-operating altitude	-400 - 15000 m	-400 - 15000 m
Operating shock	325 G	325 G
Non-operating shockDiffers	1000 G	900 G
Weight & dimensions1 differ
Width	69.8 mm	69.8 mm
Depth	100 mm	100 mm
Height	9.5 mm	9.5 mm
WeightDiffers	102 g	115 g
Other features2 differ
Drive device, transfer rateKnown for one	150 MB/s	Unknown — not stated by the source
Drive ready timeDiffers	4 s	5 s
Maximum data transfer rateDiffers	826 Mbit/s	300 Mbit/s
HDD transfer rateKnown for one	Unknown — not stated by the source	860 Mbit/s
Power requirementsKnown for one	Unknown — not stated by the source	+5V±5%
InternalKnown for one	Unknown — not stated by the source	Yes
Plug and PlayKnown 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.

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