Product comparison · 2 internal hard drives

Seagate 40GB 3.5" SATA vs Seagate Barracuda 7200.9 80GB Serial ATA II 7200RPM 8MB 20pk bulk

19specifications compared
14differ
5identical
21known for one product only

Key differences

HDD capacity
- 40GB 3.5" SATA:40 GB
- Barracuda 7200.9 80GB Serial ATA II 7200RPM 8MB 20pk bulk:80 GB
HDD speed
- 40GB 3.5" SATA:5400 RPM
- Barracuda 7200.9 80GB Serial ATA II 7200RPM 8MB 20pk bulk:7200 RPM
HDD size
- 40GB 3.5" SATA:2.5"
- Barracuda 7200.9 80GB Serial ATA II 7200RPM 8MB 20pk bulk:3.5"
Interface
- 40GB 3.5" SATA:Serial ATA
- Barracuda 7200.9 80GB Serial ATA II 7200RPM 8MB 20pk bulk:Serial ATA II
Average latency
- 40GB 3.5" SATA:5.6 ms
- Barracuda 7200.9 80GB Serial ATA II 7200RPM 8MB 20pk bulk:4.16 ms
Power consumption (standby)
- 40GB 3.5" SATA:0.26 W
- Barracuda 7200.9 80GB Serial ATA II 7200RPM 8MB 20pk bulk:1.5 W
Operating voltage
- 40GB 3.5" SATA:5 V
- Barracuda 7200.9 80GB Serial ATA II 7200RPM 8MB 20pk bulk:5 / 12 V
Start-up current
- 40GB 3.5" SATA:1.1 A
- Barracuda 7200.9 80GB Serial ATA II 7200RPM 8MB 20pk bulk:2.8 A

Side by side

Differences highlightedShow differences only

Comparison of 40GB 3.5" SATA, Barracuda 7200.9 80GB Serial ATA II 7200RPM 8MB 20pk bulk
40 specifications	A Seagate 40GB 3.5" SATA View product	B Seagate Barracuda 7200.9 80GB Serial ATA II 7200RPM 8MB 20pk bulk View product
Features5 differ
HDD capacityDiffers	40 GB	80 GB
HDD speedDiffers	5400 RPM	7200 RPM
HDD sizeDiffers	2.5"	3.5"
InterfaceDiffers	Serial ATA	Serial ATA II
TypeKnown for one	HDD	Unknown — not stated by the source
Component forKnown for one	Laptop	Unknown — not stated by the source
HDD number of headsKnown for one	2	Unknown — not stated by the source
Average seek timeKnown for one	12.5 ms	Unknown — not stated by the source
Average latencyDiffers	5.6 ms	4.16 ms
Start/stop cyclesKnown for one	Unknown — not stated by the source	50000
Power3 differ
Power consumption (standby)Differs	0.26 W	1.5 W
Power consumption (idle)Known for one	0.8 W	Unknown — not stated by the source
Power consumption (read)Known for one	1.9 W	Unknown — not stated by the source
Power consumption (write)Known for one	2.3 W	Unknown — not stated by the source
Operating voltageDiffers	5 V	5 / 12 V
Start-up currentDiffers	1.1 A	2.8 A
Operational conditions2 differ
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 altitudeKnown for one	-60.96 - 3048 m	Unknown — not stated by the source
Non-operating altitudeKnown for one	-60.96 - 12192 m	Unknown — not stated by the source
Operating shockDiffers	250 G	63 G
Non-operating shockDiffers	900 G	350 G
Weight & dimensions4 differ
WidthDiffers	69.8 mm	101.6 mm
DepthDiffers	100.5 mm	147 mm
HeightDiffers	9.5 mm	20 mm
WeightDiffers	100 g	365 g
Other featuresidentical
Windows operating systems supportedKnown for one	Yes	Unknown — not stated by the source
Linux operating systems supportedKnown for one	Yes	Unknown — not stated by the source
Dimensions (WxDxH)Known for one	Unknown — not stated by the source	101.6 x 146.99 x 19.99 mm
Drive device, transfer rateKnown for one	Unknown — not stated by the source	300 MB/s
External power adapterKnown for one	Unknown — not stated by the source	No
InternalKnown for one	Unknown — not stated by the source	Yes
USB poweredKnown for one	Unknown — not stated by the source	No
Compatible productsKnown for one	Unknown — not stated by the source	PCs
Acoustic pressure emissionsKnown for one	Unknown — not stated by the source	27 dB

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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