Product comparison · 2 internal hard drives

Seagate 500GB SATA II 2.5" vs Seagate 80GB 7200rpm Ultra ATA/100

16specifications compared
15differ
1identical
24known for one product only

Key differences

HDD capacity
- 500GB SATA II 2.5":500 GB
- 80GB 7200rpm Ultra ATA/100:80 GB
HDD speed
- 500GB SATA II 2.5":5400 RPM
- 80GB 7200rpm Ultra ATA/100:7200 RPM
Interface
- 500GB SATA II 2.5":Serial ATA II
- 80GB 7200rpm Ultra ATA/100:Ultra-ATA/100
Storage drive buffer size
- 500GB SATA II 2.5":8 MB
- 80GB 7200rpm Ultra ATA/100:2 MB
Power consumption (standby)
- 500GB SATA II 2.5":0.3 W
- 80GB 7200rpm Ultra ATA/100:0.9 W
Power consumption (read)
- 500GB SATA II 2.5":2.2 W
- 80GB 7200rpm Ultra ATA/100:12 W
Power consumption (write)
- 500GB SATA II 2.5":2.2 W
- 80GB 7200rpm Ultra ATA/100:12 W
Operating temperature (T-T)
- 500GB SATA II 2.5":5 - 55 °C
- 80GB 7200rpm Ultra ATA/100:0 - 60 °C

Side by side

Differences highlightedShow differences only

Comparison of 500GB SATA II 2.5", 80GB 7200rpm Ultra ATA/100
40 specifications	A Seagate 500GB SATA II 2.5"View product	B Seagate 80GB 7200rpm Ultra ATA/100 View product
Features4 differ
HDD capacityDiffers	500 GB	80 GB
HDD speedDiffers	5400 RPM	7200 RPM
HDD sizeKnown for one	2.5"	Unknown — not stated by the source
InterfaceDiffers	Serial ATA II	Ultra-ATA/100
TypeKnown for one	HDD	Unknown — not stated by the source
Component forKnown for one	Laptop	Unknown — not stated by the source
Storage drive buffer sizeDiffers	8 MB	2 MB
HDD interface transfer rateKnown for one	3 Gbit/s	Unknown — not stated by the source
Average seek timeKnown for one	12 ms	Unknown — not stated by the source
Average latencyKnown for one	5.6 ms	Unknown — not stated by the source
Mean time between failures (MTBF)Known for one	Unknown — not stated by the source	600000 h
Power3 differ
Power consumption (standby)Differs	0.3 W	0.9 W
Power consumption (PowerSave)Known for one	0.3 W	Unknown — not stated by the source
Power consumption (read)Differs	2.2 W	12 W
Power consumption (write)Differs	2.2 W	12 W
Operating voltageKnown for one	5 V	Unknown — not stated by the source
Start-up currentKnown for one	1 A	Unknown — not stated by the source
Power consumption (idle)Known for one	Unknown — not stated by the source	7.5 W
Operational conditions3 differ
Operating temperature (T-T)Differs	5 - 55 °C	0 - 60 °C
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
Operating vibrationKnown for one	1.5 G	Unknown — not stated by the source
Operating altitudeKnown for one	-300 - 3000 m	Unknown — not stated by the source
Non-operating altitudeKnown for one	-400 - 15000 m	Unknown — not stated by the source
Operating shockDiffers	325 G	63 G
Non-operating shockDiffers	750 G	350 G
Packaging contentidentical
User guideKnown for one	Yes	Unknown — not stated by the source
Weight & dimensions4 differ
WidthDiffers	100.3 mm	102 mm
DepthDiffers	69.8 mm	147 mm
HeightDiffers	9.5 mm	26.1 mm
WeightDiffers	107 g	635 g
Logistics dataidentical
Harmonized System (HS) codeKnown for one	84717050	Unknown — not stated by the source
Other features1 differ
Storage capacityKnown for one	500 MB	Unknown — not stated by the source
Drive ready timeKnown for one	4 s	Unknown — not stated by the source
InternalDiffers	Yes	No
Supported data transfer ratesKnown for one	1.5 Gbit/s	Unknown — not stated by the source
Product colourKnown for one	Unknown — not stated by the source	Black
Plug and PlayKnown for one	Unknown — not stated by the source	Yes
USB poweredKnown for one	Unknown — not stated by the source	No

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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