Product comparison · 2 internal hard drives

Samsung Spinpoint M HM400JI internal hard drive vs Seagate 2000GB 3.5" SATA II

18specifications compared
15differ
3identical
19known for one product only

Key differences

HDD capacity
- Spinpoint M HM400JI internal hard drive:400 GB
- 2000GB 3.5" SATA II:2 TB
HDD speed
- Spinpoint M HM400JI internal hard drive:5400 RPM
- 2000GB 3.5" SATA II:5900 RPM
HDD size
- Spinpoint M HM400JI internal hard drive:2.5"
- 2000GB 3.5" SATA II:3.5"
Storage drive buffer size
- Spinpoint M HM400JI internal hard drive:8 MB
- 2000GB 3.5" SATA II:32 MB
Average latency
- Spinpoint M HM400JI internal hard drive:5.6 ms
- 2000GB 3.5" SATA II:5.5 ms
Power consumption (typical)
- Spinpoint M HM400JI internal hard drive:2.5 W
- 2000GB 3.5" SATA II:6.8 W
Operating voltage
- Spinpoint M HM400JI internal hard drive:5 V
- 2000GB 3.5" SATA II:5 / 12 V
Start-up current
- Spinpoint M HM400JI internal hard drive:1 A
- 2000GB 3.5" SATA II:2 A

Side by side

Differences highlightedShow differences only

Comparison of HM400JI, 2000GB 3.5" SATA II
37 specifications	A Samsung Spinpoint M HM400JI internal hard drive Model HM400JI View product	B Seagate 2000GB 3.5" SATA II View product
Features5 differ
HDD capacityDiffers	400 GB	2 TB
HDD speedDiffers	5400 RPM	5900 RPM
HDD sizeDiffers	2.5"	3.5"
Interface	Serial ATA II	Serial ATA II
Storage drive buffer sizeDiffers	8 MB	32 MB
Average seek timeKnown for one	12 ms	Unknown — not stated by the source
Average latencyDiffers	5.6 ms	5.5 ms
Bytes per sector	512	512
TypeKnown for one	Unknown — not stated by the source	HDD
Start/stop cyclesKnown for one	Unknown — not stated by the source	50000
Power3 differ
Power consumption (typical)Differs	2.5 W	6.8 W
Power consumption (standby)Known for one	0.25 W	Unknown — not stated by the source
Operating voltageDiffers	5 V	5 / 12 V
Start-up currentDiffers	1 A	2 A
Power consumption (idle)Known for one	Unknown — not stated by the source	5.5 W
Operational conditions3 differ
Operating temperature (T-T)Differs	5 - 55 °C	0 - 60 °C
Storage temperature (T-T)	-40 - 70 °C	-40 - 70 °C
Operating relative humidity (H-H)Known for one	8 - 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	1.5 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 shockDiffers	400 G	70 G
Non-operating shockDiffers	900 G	300 G
Packaging contentidentical
User guideKnown for one	Yes	Unknown — not stated by the source
Weight & dimensions4 differ
WidthDiffers	69.8 mm	101.8 mm
DepthDiffers	100 mm	147 mm
HeightDiffers	9.5 mm	26.1 mm
WeightDiffers	105 g	660 g
Other featuresidentical
Power requirementsKnown for one	+5V±5%	Unknown — not stated by the source
Product colourKnown for one	Black	Unknown — not stated by the source
Compatible operating systemsKnown for one	Windows 98/2000/XP	Unknown — not stated by the source
Drive ready timeKnown for one	4 s	Unknown — not stated by the source
InternalKnown for one	Yes	Unknown — not stated by the source
Supported data transfer ratesKnown for one	138, 300MB/s	Unknown — not stated by the source
Acoustic pressure emissionsKnown for one	2.6 dB	Unknown — not stated by the source
Sustained data rateKnown for one	Unknown — not stated by the source	95 MB/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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