Product comparison · 2 internal hard drives

Samsung 400GB Ultra-ATA/133 HDD, 20-Pk vs Seagate 160GB 3.5" SATA

20specifications compared
13differ
7identical
23known for one product only

Key differences

HDD capacity
- 400GB Ultra-ATA/133 HDD, 20-Pk:400 GB
- 160GB 3.5" SATA:60 GB
HDD size
- 400GB Ultra-ATA/133 HDD, 20-Pk:3.5"
- 160GB 3.5" SATA:2.5"
Interface
- 400GB Ultra-ATA/133 HDD, 20-Pk:Ultra-ATA/133
- 160GB 3.5" SATA:Serial ATA
Average seek time
- 400GB Ultra-ATA/133 HDD, 20-Pk:8.9 ms
- 160GB 3.5" SATA:10.5 ms
Average latency
- 400GB Ultra-ATA/133 HDD, 20-Pk:4.17 ms
- 160GB 3.5" SATA:4.2 ms
Power consumption (standby)
- 400GB Ultra-ATA/133 HDD, 20-Pk:0.45 W
- 160GB 3.5" SATA:0.28 W
Operating voltage
- 400GB Ultra-ATA/133 HDD, 20-Pk:5 / 12 V
- 160GB 3.5" SATA:5 V
Operating shock
- 400GB Ultra-ATA/133 HDD, 20-Pk:63 G
- 160GB 3.5" SATA:250 G

Side by side

Differences highlightedShow differences only

Comparison of 400GB Ultra-ATA/133 HDD, 20-Pk, 160GB 3.5" SATA
43 specifications	A Samsung 400GB Ultra-ATA/133 HDD, 20-Pk View product	B Seagate 160GB 3.5" SATA View product
Features5 differ
HDD capacityDiffers	400 GB	60 GB
HDD speed	7200 RPM	7200 RPM
HDD sizeDiffers	3.5"	2.5"
InterfaceDiffers	Ultra-ATA/133	Serial ATA
TypeKnown for one	Unknown — not stated by the source	HDD
Component forKnown for one	Unknown — not stated by the source	Laptop
Storage drive buffer size	8 MB	8 MB
HDD number of cylindersKnown for one	Unknown — not stated by the source	16383
HDD number of headsKnown for one	Unknown — not stated by the source	3
Average seek timeDiffers	8.9 ms	10.5 ms
Average latencyDiffers	4.17 ms	4.2 ms
Bytes per sector	512	512
Full stroke seek timeKnown for one	18 ms	Unknown — not stated by the source
Track to track seek timeKnown for one	0.8 ms	Unknown — not stated by the source
Start/stop cyclesKnown for one	50000	Unknown — not stated by the source
Mean time between failures (MTBF)Known for one	600000 h	Unknown — not stated by the source
Power2 differ
Power consumption (standby)Differs	0.45 W	0.28 W
Power consumption (idle)Known for one	Unknown — not stated by the source	0.95 W
Power consumption (read)Known for one	Unknown — not stated by the source	2.2 W
Power consumption (write)Known for one	Unknown — not stated by the source	2.2 W
Operating voltageDiffers	5 / 12 V	5 V
Start-up currentKnown for one	Unknown — not stated by the source	1.28 A
Power consumption (typical)Known for one	9.6 W	Unknown — not stated by the source
Operational conditions2 differ
Operating temperature (T-T)	0 - 60 °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 altitudeKnown for one	Unknown — not stated by the source	-60.96 - 3048 m
Non-operating altitudeKnown for one	Unknown — not stated by the source	-60.96 - 12192 m
Operating shockDiffers	63 G	250 G
Non-operating shockDiffers	300 G	800 G
Weight & dimensions4 differ
WidthDiffers	147 mm	69.8 mm
DepthDiffers	101.6 mm	100.2 mm
HeightDiffers	26.1 mm	9.5 mm
WeightDiffers	651 g	115 g
Other featuresidentical
Mac compatibilityKnown for one	Unknown — not stated by the source	No
Windows operating systems supportedKnown for one	Unknown — not stated by the source	Yes
Linux operating systems supportedKnown for one	Unknown — not stated by the source	Yes
Power requirementsKnown for one	+5V; +12V	Unknown — not stated by the source
Drive device, transfer rateKnown for one	133 MB/s	Unknown — not stated by the source
Drive ready timeKnown for one	10 s	Unknown — not stated by the source
InternalKnown for one	Yes	Unknown — not stated by the source
Acoustic pressure emissionsKnown for one	2.8 dB	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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