Product comparison · 2 internal hard drives

Seagate 40GB 3.5" SATA vs Seagate Barracuda 7200.10 250GB ATA100 20 pk

16specifications compared
12differ
4identical
22known for one product only

Key differences

The Seagate Barracuda 7200.10 250GB ATA100 20 pk has 210 GB more HDD capacity than the Seagate 40GB 3.5" SATA (250 GB vs 40 GB). The Seagate Barracuda 7200.10 250GB ATA100 20 pk has 1,800 RPM more HDD speed than the Seagate 40GB 3.5" SATA (7200 RPM vs 5400 RPM). The Seagate Barracuda 7200.10 250GB ATA100 20 pk has 1 more HDD heads than the Seagate 40GB 3.5" SATA (3 vs 2). Interface: Serial ATA on the Seagate 40GB 3.5" SATA, Ultra-ATA/100 on the Seagate Barracuda 7200.10 250GB ATA100 20 pk.

HDD capacity
- 40GB 3.5" SATA:40 GB
- Barracuda 7200.10 250GB ATA100 20 pk:250 GB
HDD speed
- 40GB 3.5" SATA:5400 RPM
- Barracuda 7200.10 250GB ATA100 20 pk:7200 RPM
Interface
- 40GB 3.5" SATA:Serial ATA
- Barracuda 7200.10 250GB ATA100 20 pk:Ultra-ATA/100
HDD number of heads
- 40GB 3.5" SATA:2
- Barracuda 7200.10 250GB ATA100 20 pk:3
Average latency
- 40GB 3.5" SATA:5.6 ms
- Barracuda 7200.10 250GB ATA100 20 pk:4.16 ms
Power consumption (standby)
- 40GB 3.5" SATA:0.26 W
- Barracuda 7200.10 250GB ATA100 20 pk:0.8 W
Start-up current
- 40GB 3.5" SATA:1.1 A
- Barracuda 7200.10 250GB ATA100 20 pk:2.8 A
Non-operating shock
- 40GB 3.5" SATA:900 G
- Barracuda 7200.10 250GB ATA100 20 pk:300 G

Side by side

Differences highlightedShow differences only

Comparison of 40GB 3.5" SATA, Barracuda 7200.10 250GB ATA100 20 pk
38 specifications	A Seagate 40GB 3.5" SATA View product	B Seagate Barracuda 7200.10 250GB ATA100 20 pk View product
Features5 differ
HDD capacityDiffers	40 GB	250 GB
HDD speedDiffers	5400 RPM	7200 RPM
HDD sizeKnown for one	2.5"	Unknown — not stated by the source
InterfaceDiffers	Serial ATA	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 size	8 MB	8 MB
HDD number of headsDiffers	2	3
Average seek timeKnown for one	12.5 ms	Unknown — not stated by the source
Average latencyDiffers	5.6 ms	4.16 ms
Bytes per sector	512	512
Track to track seek timeKnown for one	Unknown — not stated by the source	8.5 ms
Power2 differ
Power consumption (standby)Differs	0.26 W	0.8 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 voltageKnown for one	5 V	Unknown — not stated by the source
Start-up currentDiffers	1.1 A	2.8 A
Operational conditions1 differ
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 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 shockKnown for one	250 G	Unknown — not stated by the source
Non-operating shockDiffers	900 G	300 G
Weight & dimensions4 differ
WidthDiffers	69.8 mm	101.6 mm
DepthDiffers	100.5 mm	147 mm
HeightDiffers	9.5 mm	26.1 mm
WeightDiffers	100 g	580 g
Other featuresidentical
Mac compatibilityKnown for one	No	Unknown — not stated by the source
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
HDD transfer rateKnown for one	Unknown — not stated by the source	100 Mbit/s
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	2.7 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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