Product comparison · 2 internal hard drives

Samsung HM251JI - 250GB + 50PK Kit vs Samsung Spinpoint M HM320II internal hard drive

25specifications compared
7differ
18identical
14known for one product only

Key differences

HDD capacity
- HM251JI - 250GB + 50PK Kit:250 GB
- Spinpoint M HM320II internal hard drive:320 GB
Interface
- HM251JI - 250GB + 50PK Kit:Serial ATA
- Spinpoint M HM320II internal hard drive:Serial ATA II
Operating relative humidity (H-H)
- HM251JI - 250GB + 50PK Kit:5 - 90%
- Spinpoint M HM320II internal hard drive:8 - 90%
Operating vibration
- HM251JI - 250GB + 50PK Kit:0.7 G
- Spinpoint M HM320II internal hard drive:1.5 Grms
Operating shock
- HM251JI - 250GB + 50PK Kit:325 G
- Spinpoint M HM320II internal hard drive:400 G
Non-operating shock
- HM251JI - 250GB + 50PK Kit:1000 G
- Spinpoint M HM320II internal hard drive:900 G
Weight
- HM251JI - 250GB + 50PK Kit:102 g
- Spinpoint M HM320II internal hard drive:105 g

Side by side

Differences highlightedShow differences only

Comparison of HM251JI - 250GB + 50PK Kit, HM320II
39 specifications	A Samsung HM251JI - 250GB + 50PK Kit View product	B Samsung Spinpoint M HM320II internal hard drive Model HM320II View product
Features2 differ
HDD capacityDiffers	250 GB	320 GB
HDD speed	5400 RPM	5400 RPM
HDD size	2.5"	2.5"
InterfaceDiffers	Serial ATA	Serial ATA II
TypeKnown for one	Unknown — not stated by the source	HDD
Storage drive buffer size	8 MB	8 MB
Average seek time	12 ms	12 ms
Average latencyKnown for one	Unknown — not stated by the source	5.6 ms
Bytes per sector	512	512
Poweridentical
Power consumption (typical)Known for one	Unknown — not stated by the source	2.5 W
Power consumption (standby)	0.25 W	0.25 W
Operating voltage	5 V	5 V
Start-up currentKnown for one	Unknown — not stated by the source	1 A
Power consumption (off)Known for one	0.2 W	Unknown — not stated by the source
Operational conditions4 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)Differs	5 - 90%	8 - 90%
Storage relative humidity (H-H)	5 - 95%	5 - 95%
Operating vibrationDiffers	0.7 G	1.5 Grms
Operating altitude	-300 - 3000 m	-300 - 3000 m
Non-operating altitude	-400 - 15000 m	-400 - 15000 m
Operating shockDiffers	325 G	400 G
Non-operating shockDiffers	1000 G	900 G
Packaging contentidentical
User guideKnown for one	Unknown — not stated by the source	Yes
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	105 g
Other featuresidentical
Power requirementsKnown for one	Unknown — not stated by the source	+5V±5%
Product colour	Black	Black
Compatible operating systemsKnown for one	Unknown — not stated by the source	Windows 98/2000/XP
Drive ready time	4 s	4 s
Internal	Yes	Yes
Supported data transfer ratesKnown for one	Unknown — not stated by the source	138, 300MB/s
Acoustic pressure emissionsKnown for one	Unknown — not stated by the source	2.6 dB
Dimensions (WxDxH)Known for one	69.85 x 100 x 9.5 mm	Unknown — not stated by the source
Data transfer rateKnown for one	1.5 Gbit/s	Unknown — not stated by the source
Drive device, transfer rateKnown for one	150 MB/s	Unknown — not stated by the source
Maximum data transfer rateKnown for one	826 Mbit/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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