Product comparison · 2 internal hard drives

Samsung 100GB Serial ATA HDD vs Samsung 400GB Ultra-ATA/133 HDD, 20-Pk

19specifications compared
14differ
5identical
13known for one product only

Key differences

HDD capacity
- 100GB Serial ATA HDD:100 GB
- 400GB Ultra-ATA/133 HDD, 20-Pk:400 GB
HDD speed
- 100GB Serial ATA HDD:5400 RPM
- 400GB Ultra-ATA/133 HDD, 20-Pk:7200 RPM
Interface
- 100GB Serial ATA HDD:Serial ATA
- 400GB Ultra-ATA/133 HDD, 20-Pk:Ultra-ATA/133
Full stroke seek time
- 100GB Serial ATA HDD:22 ms
- 400GB Ultra-ATA/133 HDD, 20-Pk:18 ms
Track to track seek time
- 100GB Serial ATA HDD:2 ms
- 400GB Ultra-ATA/133 HDD, 20-Pk:0.8 ms
Average seek time
- 100GB Serial ATA HDD:12 ms
- 400GB Ultra-ATA/133 HDD, 20-Pk:8.9 ms
Average latency
- 100GB Serial ATA HDD:5.6 ms
- 400GB Ultra-ATA/133 HDD, 20-Pk:4.17 ms
Mean time between failures (MTBF)
- 100GB Serial ATA HDD:330000 h
- 400GB Ultra-ATA/133 HDD, 20-Pk:600000 h

Side by side

Differences highlightedShow differences only

Comparison of 100GB Serial ATA HDD, 400GB Ultra-ATA/133 HDD, 20-Pk
32 specifications	A Samsung 100GB Serial ATA HDD View product	B Samsung 400GB Ultra-ATA/133 HDD, 20-Pk View product
Features8 differ
HDD capacityDiffers	100 GB	400 GB
HDD speedDiffers	5400 RPM	7200 RPM
HDD sizeKnown for one	Unknown — not stated by the source	3.5"
InterfaceDiffers	Serial ATA	Ultra-ATA/133
Storage drive buffer size	8 MB	8 MB
Full stroke seek timeDiffers	22 ms	18 ms
Track to track seek timeDiffers	2 ms	0.8 ms
Average seek timeDiffers	12 ms	8.9 ms
Average latencyDiffers	5.6 ms	4.17 ms
Bytes per sectorKnown for one	Unknown — not stated by the source	512
Start/stop cyclesKnown for one	Unknown — not stated by the source	50000
Mean time between failures (MTBF)Differs	330000 h	600000 h
Power1 differ
Power consumption (typical)Known for one	Unknown — not stated by the source	9.6 W
Power consumption (standby)Differs	0.4 W	0.45 W
Operating voltageKnown for one	Unknown — not stated by the source	5 / 12 V
Power consumption (PowerSave)Known for one	0.2 W	Unknown — not stated by the source
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)	5 - 90%	5 - 90%
Storage relative humidity (H-H)	5 - 95%	5 - 95%
Operating shockDiffers	300 G	63 G
Non-operating shockDiffers	1000 G	300 G
Non-operating altitudeKnown for one	15000	Unknown — not stated by the source
Weight & dimensions1 differ
WidthKnown for one	Unknown — not stated by the source	147 mm
DepthKnown for one	Unknown — not stated by the source	101.6 mm
HeightKnown for one	Unknown — not stated by the source	26.1 mm
WeightDiffers	100 g	651 g
Other features1 differ
Power requirementsKnown for one	Unknown — not stated by the source	+5V; +12V
Drive device, transfer rateKnown for one	Unknown — not stated by the source	133 MB/s
Drive ready timeDiffers	4 s	10 s
Internal	Yes	Yes
Acoustic pressure emissionsKnown for one	Unknown — not stated by the source	2.8 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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