Product comparison · 2 internal hard drives

Seagate 40 GB 5800rpm Ultra ATA/100 vs Seagate Barracuda 7200.7 80GB

12specifications compared
10differ
2identical
17known for one product only

Key differences

HDD capacity
- 40 GB 5800rpm Ultra ATA/100:40 GB
- Barracuda 7200.7 80GB:80 GB
HDD speed
- 40 GB 5800rpm Ultra ATA/100:5900 RPM
- Barracuda 7200.7 80GB:7200 RPM
Interface
- 40 GB 5800rpm Ultra ATA/100:Ultra-ATA/100
- Barracuda 7200.7 80GB:Serial ATA
Storage drive buffer size
- 40 GB 5800rpm Ultra ATA/100:2 MB
- Barracuda 7200.7 80GB:8 MB
Read seek time
- 40 GB 5800rpm Ultra ATA/100:15.5 ms
- Barracuda 7200.7 80GB:8.5 ms
Write seek time
- 40 GB 5800rpm Ultra ATA/100:15.5 ms
- Barracuda 7200.7 80GB:9.5 ms
Width
- 40 GB 5800rpm Ultra ATA/100:102 mm
- Barracuda 7200.7 80GB:101.6 mm
Height
- 40 GB 5800rpm Ultra ATA/100:20 mm
- Barracuda 7200.7 80GB:26 mm

Side by side

Differences highlightedShow differences only

Comparison of 40 GB 5800rpm Ultra ATA/100, Barracuda 7200.7 80GB
29 specifications	A Seagate 40 GB 5800rpm Ultra ATA/100 View product	B Seagate Barracuda 7200.7 80GB View product
Features6 differ
HDD capacityDiffers	40 GB	80 GB
HDD speedDiffers	5900 RPM	7200 RPM
InterfaceDiffers	Ultra-ATA/100	Serial ATA
Storage drive buffer sizeDiffers	2 MB	8 MB
Read seek timeDiffers	15.5 ms	8.5 ms
Write seek timeDiffers	15.5 ms	9.5 ms
Track to track seek timeKnown for one	0.3 ms	Unknown — not stated by the source
Average seek timeKnown for one	12.5 ms	Unknown — not stated by the source
Bytes per sectorKnown for one	512	Unknown — not stated by the source
Average latencyKnown for one	Unknown — not stated by the source	4.16 ms
Mean time between failures (MTBF)Known for one	Unknown — not stated by the source	600000 h
Poweridentical
Power consumption (standby)Known for one	1.4 W	Unknown — not stated by the source
Power consumption (idle)Known for one	5 W	Unknown — not stated by the source
Power consumption (read)Known for one	6.6 W	Unknown — not stated by the source
Power consumption (write)Known for one	6.6 W	Unknown — not stated by the source
Operational conditionsidentical
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)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 shockKnown for one	63 G	Unknown — not stated by the source
Non-operating shockKnown for one	350 G	Unknown — not stated by the source
Weight & dimensions3 differ
WidthDiffers	102 mm	101.6 mm
DepthKnown for one	147 mm	Unknown — not stated by the source
HeightDiffers	20 mm	26 mm
WeightDiffers	454 g	635 g
Other features1 differ
Product colourKnown for one	Black	Unknown — not stated by the source
InternalDiffers	No	Yes
Plug and PlayKnown for one	Yes	Unknown — not stated by the source
USB poweredKnown for one	No	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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