Product comparison · 2 internal hard drives

Samsung 160GB Ultra-ATA/133 HDD, 20-PK vs Samsung 40GB SATA Hard Drive

15specifications compared
12differ
3identical
17known for one product only

Key differences

The Samsung 160GB Ultra-ATA/133 HDD, 20-PK has 120 GB more HDD capacity than the Samsung 40GB SATA Hard Drive (160 GB vs 40 GB). The Samsung 160GB Ultra-ATA/133 HDD, 20-PK has 1,800 RPM more HDD speed than the Samsung 40GB SATA Hard Drive (7200 RPM vs 5400 RPM). The Samsung 160GB Ultra-ATA/133 HDD, 20-PK has 1" more HDD size than the Samsung 40GB SATA Hard Drive (3.5" vs 2.5"). Interface: Ultra-ATA/133 on the Samsung 160GB Ultra-ATA/133 HDD, 20-PK, Serial ATA on the Samsung 40GB SATA Hard Drive. Operating voltage: 5 / 12 V on the Samsung 160GB Ultra-ATA/133 HDD, 20-PK, 5 V on the Samsung 40GB SATA Hard Drive.

HDD capacity
- 160GB Ultra-ATA/133 HDD, 20-PK:160 GB
- 40GB SATA Hard Drive:40 GB
HDD speed
- 160GB Ultra-ATA/133 HDD, 20-PK:7200 RPM
- 40GB SATA Hard Drive:5400 RPM
HDD size
- 160GB Ultra-ATA/133 HDD, 20-PK:3.5"
- 40GB SATA Hard Drive:2.5"
Interface
- 160GB Ultra-ATA/133 HDD, 20-PK:Ultra-ATA/133
- 40GB SATA Hard Drive:Serial ATA
Full stroke seek time
- 160GB Ultra-ATA/133 HDD, 20-PK:18 ms
- 40GB SATA Hard Drive:22 ms
Track to track seek time
- 160GB Ultra-ATA/133 HDD, 20-PK:0.8 ms
- 40GB SATA Hard Drive:2 ms
Average seek time
- 160GB Ultra-ATA/133 HDD, 20-PK:8.9 ms
- 40GB SATA Hard Drive:12 ms
Average latency
- 160GB Ultra-ATA/133 HDD, 20-PK:4.17 ms
- 40GB SATA Hard Drive:5.6 ms

Side by side

Differences highlightedShow differences only

Comparison of 160GB Ultra-ATA/133 HDD, 20-PK, 40GB SATA Hard Drive
32 specifications	A Samsung 160GB Ultra-ATA/133 HDD, 20-PK View product	B Samsung 40GB SATA Hard Drive View product
Features9 differ
HDD capacityDiffers	160 GB	40 GB
HDD speedDiffers	7200 RPM	5400 RPM
HDD sizeDiffers	3.5"	2.5"
InterfaceDiffers	Ultra-ATA/133	Serial ATA
Full stroke seek timeDiffers	18 ms	22 ms
Track to track seek timeDiffers	0.8 ms	2 ms
Average seek timeDiffers	8.9 ms	12 ms
Average latencyDiffers	4.17 ms	5.6 ms
Mean time between failures (MTBF)Differs	600000 h	330000 h
Start/stop cyclesKnown for one	Unknown — not stated by the source	600000
Power1 differ
Power consumption (typical)Known for one	7.5 W	Unknown — not stated by the source
Power consumption (standby)Known for one	0.5 W	Unknown — not stated by the source
Power consumption (PowerSave)Known for one	0.4 W	Unknown — not stated by the source
Operating voltageDiffers	5 / 12 V	5 V
Operational conditionsidentical
Operating temperature (T-T)Known for one	0 - 60 °C	Unknown — not stated by the source
Storage temperature (T-T)Known for one	-40 - 70 °C	Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	5 - 90%	Unknown — not stated by the source
Storage relative humidity (H-H)Known for one	5 - 95%	Unknown — not stated by the source
Non-operating altitudeKnown for one	12000	Unknown — not stated by the source
Operating shockKnown for one	63 G	Unknown — not stated by the source
Non-operating shockKnown for one	350 G	Unknown — not stated by the source
Other features2 differ
Power requirementsKnown for one	+5V / +12V	Unknown — not stated by the source
Drive device, transfer rateDiffers	133 MB/s	150 MB/s
Drive ready timeDiffers	7 s	4 s
HDD transfer rateKnown for one	Unknown — not stated by the source	428 Mbit/s
Weight & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	100 mm
DepthKnown for one	Unknown — not stated by the source	70 mm
HeightKnown for one	Unknown — not stated by the source	9.4 mm
WeightKnown for one	Unknown — not stated by the source	100 g

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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