Product comparison · 2 internal hard drives

Samsung 1000GB HDD 20PK Kit vs Samsung Spinpoint M HM400JI internal hard drive

7specifications compared
6differ
1identical
26known for one product only

Key differences

HDD capacity
- 1000GB HDD 20PK Kit:1 TB
- Spinpoint M HM400JI internal hard drive:400 GB
HDD speed
- 1000GB HDD 20PK Kit:7200 RPM
- Spinpoint M HM400JI internal hard drive:5400 RPM
HDD size
- 1000GB HDD 20PK Kit:3.5"
- Spinpoint M HM400JI internal hard drive:2.5"
Interface
- 1000GB HDD 20PK Kit:Serial ATA
- Spinpoint M HM400JI internal hard drive:Serial ATA II
Storage drive buffer size
- 1000GB HDD 20PK Kit:32 MB
- Spinpoint M HM400JI internal hard drive:8 MB
Operating voltage
- 1000GB HDD 20PK Kit:5 / 12 V
- Spinpoint M HM400JI internal hard drive:5 V

Side by side

Differences highlightedShow differences only

Comparison of 1000GB HDD 20PK Kit, HM400JI
33 specifications	A Samsung 1000GB HDD 20PK Kit View product	B Samsung Spinpoint M HM400JI internal hard drive Model HM400JI View product
Features5 differ
HDD capacityDiffers	1 TB	400 GB
HDD speedDiffers	7200 RPM	5400 RPM
HDD sizeDiffers	3.5"	2.5"
InterfaceDiffers	Serial ATA	Serial ATA II
Storage drive buffer sizeDiffers	32 MB	8 MB
Average seek timeKnown for one	Unknown — not stated by the source	12 ms
Average latencyKnown for one	Unknown — not stated by the source	5.6 ms
Bytes per sectorKnown for one	Unknown — not stated by the source	512
Power1 differ
Power consumption (typical)Known for one	Unknown — not stated by the source	2.5 W
Power consumption (standby)Known for one	Unknown — not stated by the source	0.25 W
Operating voltageDiffers	5 / 12 V	5 V
Start-up currentKnown for one	Unknown — not stated by the source	1 A
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
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	8 - 90%
Storage relative humidity (H-H)Known for one	Unknown — not stated by the source	5 - 95%
Operating vibrationKnown for one	Unknown — not stated by the source	1.5 Grms
Operating altitudeKnown for one	Unknown — not stated by the source	-300 - 3000 m
Non-operating altitudeKnown for one	Unknown — not stated by the source	-400 - 15000 m
Operating shockKnown for one	Unknown — not stated by the source	400 G
Non-operating shockKnown for one	Unknown — not stated by the source	900 G
Packaging contentidentical
User guideKnown for one	Unknown — not stated by the source	Yes
Weight & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	69.8 mm
DepthKnown for one	Unknown — not stated by the source	100 mm
HeightKnown for one	Unknown — not stated by the source	9.5 mm
WeightKnown for one	Unknown — not stated by the source	105 g
Other featuresidentical
Power requirementsKnown for one	Unknown — not stated by the source	+5V±5%
Product colourKnown for one	Unknown — not stated by the source	Black
Compatible operating systemsKnown for one	Unknown — not stated by the source	Windows 98/2000/XP
Drive ready timeKnown for one	Unknown — not stated by the source	4 s
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

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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