Product comparison · 2 internal hard drives

Acer 80GB SATA HDD in carrier vs Samsung 20GB HDD

5specifications compared
5differ
0identical
21known for one product only

Key differences

HDD capacity
- 80GB SATA HDD in carrier:80 GB
- 20GB HDD:20 GB
HDD speed
- 80GB SATA HDD in carrier:7200 RPM
- 20GB HDD:4200 RPM
HDD size
- 80GB SATA HDD in carrier:3.5"
- 20GB HDD:1.8"
Interface
- 80GB SATA HDD in carrier:Serial ATA II
- 20GB HDD:Ultra-ATA/66
Operating voltage
- 80GB SATA HDD in carrier:5 / 12 V
- 20GB HDD:3.3 V

Side by side

Differences highlightedShow differences only

Comparison of 80GB SATA HDD in carrier, 20GB HDD
26 specifications	A Acer 80GB SATA HDD in carrier View product	B Samsung 20GB HDD View product
Features4 differ
HDD capacityDiffers	80 GB	20 GB
HDD speedDiffers	7200 RPM	4200 RPM
HDD sizeDiffers	3.5"	1.8"
InterfaceDiffers	Serial ATA II	Ultra-ATA/66
TypeKnown for one	Unknown — not stated by the source	HDD
Storage drive buffer sizeKnown for one	Unknown — not stated by the source	2 MB
Full stroke seek timeKnown for one	Unknown — not stated by the source	26 ms
Track to track seek timeKnown for one	Unknown — not stated by the source	3 ms
Average latencyKnown for one	Unknown — not stated by the source	7.14 ms
Bytes per sectorKnown for one	Unknown — not stated by the source	512
Start/stop cyclesKnown for one	Unknown — not stated by the source	600000
Power1 differ
Power consumption (typical)Known for one	Unknown — not stated by the source	0.65 W
Power consumption (standby)Known for one	Unknown — not stated by the source	0.3 W
Operating voltageDiffers	5 / 12 V	3.3 V
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	5 - 60 °C
Storage temperature (T-T)Known for one	Unknown — not stated by the source	-20 - 85 °C
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	5 - 90%
Storage relative humidity (H-H)Known for one	Unknown — not stated by the source	5 - 95%
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
Weight & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	54 mm
DepthKnown for one	Unknown — not stated by the source	71 mm
HeightKnown for one	Unknown — not stated by the source	5 mm
WeightKnown for one	Unknown — not stated by the source	48 g
Other featuresidentical
Drive ready timeKnown for one	Unknown — not stated by the source	2 s
InternalKnown for one	Yes	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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