Product comparison · 2 internal hard drives

Samsung 160GB Serial ATA II HDD, 20-PK vs Samsung 400GB Serial ATA II HDD

25specifications compared
9differ
16identical
2known for one product only

Key differences

The Samsung 400GB Serial ATA II HDD has 240 GB more HDD capacity than the Samsung 160GB Serial ATA II HDD, 20-PK (400 GB vs 160 GB). The Samsung 400GB Serial ATA II HDD has 8 MB more storage drive buffer size than the Samsung 160GB Serial ATA II HDD, 20-PK (16 MB vs 8 MB). The Samsung 400GB Serial ATA II HDD has 2 W more power consumption (typical) than the Samsung 160GB Serial ATA II HDD, 20-PK (10 W vs 8 W). Non-operating altitude: 12000 on the Samsung 160GB Serial ATA II HDD, 20-PK, 0 - 12000 m on the Samsung 400GB Serial ATA II HDD. Power requirements: +5V / +12V on the Samsung 160GB Serial ATA II HDD, 20-PK, +5V±5%;+12V±10% on the Samsung 400GB Serial ATA II HDD.

HDD capacity
- 160GB Serial ATA II HDD, 20-PK:160 GB
- 400GB Serial ATA II HDD:400 GB
Storage drive buffer size
- 160GB Serial ATA II HDD, 20-PK:8 MB
- 400GB Serial ATA II HDD:16 MB
Power consumption (typical)
- 160GB Serial ATA II HDD, 20-PK:8 W
- 400GB Serial ATA II HDD:10 W
Power consumption (standby)
- 160GB Serial ATA II HDD, 20-PK:1.5 W
- 400GB Serial ATA II HDD:1.3 W
Non-operating altitude
- 160GB Serial ATA II HDD, 20-PK:12000
- 400GB Serial ATA II HDD:0 - 12000 m
Non-operating shock
- 160GB Serial ATA II HDD, 20-PK:350 G
- 400GB Serial ATA II HDD:300 G
HDD transfer rate
- 160GB Serial ATA II HDD, 20-PK:300 Mbit/s
- 400GB Serial ATA II HDD:1000 Mbit/s
Power requirements
- 160GB Serial ATA II HDD, 20-PK:+5V / +12V
- 400GB Serial ATA II HDD:+5V±5%;+12V±10%

Side by side

Differences highlightedShow differences only

Comparison of 160GB Serial ATA II HDD, 20-PK, 400GB Serial ATA II HDD
27 specifications	A Samsung 160GB Serial ATA II HDD, 20-PK View product	B Samsung 400GB Serial ATA II HDD View product
Features2 differ
HDD capacityDiffers	160 GB	400 GB
HDD speed	7200 RPM	7200 RPM
HDD size	3.5"	3.5"
Interface	Serial ATA II	Serial ATA II
Storage drive buffer sizeDiffers	8 MB	16 MB
Full stroke seek time	18 ms	18 ms
Track to track seek time	0.8 ms	0.8 ms
Average seek time	8.9 ms	8.9 ms
Average latency	4.17 ms	4.17 ms
Bytes per sector	512	512
Mean time between failures (MTBF)	600000 h	600000 h
Power2 differ
Power consumption (typical)Differs	8 W	10 W
Power consumption (standby)Differs	1.5 W	1.3 W
Power consumption (PowerSave)Known for one	1.5 W	Unknown — not stated by the source
Operating voltage	5 / 12 V	5 / 12 V
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%
Non-operating altitudeDiffers	12000	0 - 12000 m
Operating shock	63 G	63 G
Non-operating shockDiffers	350 G	300 G
Operating altitudeKnown for one	Unknown — not stated by the source	0 - 3000 m
Other features3 differ
HDD transfer rateDiffers	300 Mbit/s	1000 Mbit/s
Power requirementsDiffers	+5V / +12V	+5V±5%;+12V±10%
Drive ready timeDiffers	7 s	10 s
Internal	Yes	Yes

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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