Product comparison · 2 internal hard drives

Seagate Barracuda 7200.9 40GB Serial ATA II 7200RPM 2MB 25 pk vs Seagate DB35 7200.3 400GB Ultra ATA 100

14specifications compared
6differ
8identical
12known for one product only

Key differences

The Seagate DB35 7200.3 400GB Ultra ATA 100 has 360 GB more HDD capacity than the Seagate Barracuda 7200.9 40GB Serial ATA II 7200RPM 2MB 25 pk (400 GB vs 40 GB). The Seagate DB35 7200.3 400GB Ultra ATA 100 has 6 MB more storage drive buffer size than the Seagate Barracuda 7200.9 40GB Serial ATA II 7200RPM 2MB 25 pk (8 MB vs 2 MB). The Seagate Barracuda 7200.9 40GB Serial ATA II 7200RPM 2MB 25 pk has 50 G more non-operating shock than the Seagate DB35 7200.3 400GB Ultra ATA 100 (350 G vs 300 G). Interface: Serial ATA II on the Seagate Barracuda 7200.9 40GB Serial ATA II 7200RPM 2MB 25 pk, Ultra-ATA/100 on the Seagate DB35 7200.3 400GB Ultra ATA 100.

HDD capacity
- Barracuda 7200.9 40GB Serial ATA II 7200RPM 2MB 25 pk:40 GB
- DB35 7200.3 400GB Ultra ATA 100:400 GB
Interface
- Barracuda 7200.9 40GB Serial ATA II 7200RPM 2MB 25 pk:Serial ATA II
- DB35 7200.3 400GB Ultra ATA 100:Ultra-ATA/100
Storage drive buffer size
- Barracuda 7200.9 40GB Serial ATA II 7200RPM 2MB 25 pk:2 MB
- DB35 7200.3 400GB Ultra ATA 100:8 MB
Non-operating shock
- Barracuda 7200.9 40GB Serial ATA II 7200RPM 2MB 25 pk:350 G
- DB35 7200.3 400GB Ultra ATA 100:300 G
Height
- Barracuda 7200.9 40GB Serial ATA II 7200RPM 2MB 25 pk:20 mm
- DB35 7200.3 400GB Ultra ATA 100:26.1 mm
Weight
- Barracuda 7200.9 40GB Serial ATA II 7200RPM 2MB 25 pk:365 g
- DB35 7200.3 400GB Ultra ATA 100:635 g

Side by side

Differences highlightedShow differences only

Comparison of Barracuda 7200.9 40GB Serial ATA II 7200RPM 2MB 25 pk, DB35 7200.3 400GB Ultra ATA 100
26 specifications	A Seagate Barracuda 7200.9 40GB Serial ATA II 7200RPM 2MB 25 pk View product	B Seagate DB35 7200.3 400GB Ultra ATA 100 View product
Features3 differ
HDD capacityDiffers	40 GB	400 GB
HDD speed	7200 RPM	7200 RPM
HDD size	3.5"	3.5"
InterfaceDiffers	Serial ATA II	Ultra-ATA/100
Storage drive buffer sizeDiffers	2 MB	8 MB
Average latencyKnown for one	4.16 ms	Unknown — not stated by the source
Bytes per sectorKnown for one	512	Unknown — not stated by the source
Poweridentical
Power consumption (standby)Known for one	1.5 W	Unknown — not stated by the source
Operating voltage	5 / 12 V	5 / 12 V
Start-up currentKnown for one	2.8 A	Unknown — not stated by the source
Operational conditions1 differ
Operating temperature (T-T)	0 - 60 °C	0 - 60 °C
Storage temperature (T-T)	-40 - 70 °C	-40 - 70 °C
Operating shockKnown for one	63 G	Unknown — not stated by the source
Non-operating shockDiffers	350 G	300 G
Weight & dimensions2 differ
Width	101.6 mm	101.6 mm
Depth	147 mm	147 mm
HeightDiffers	20 mm	26.1 mm
WeightDiffers	365 g	635 g
Other featuresidentical
Dimensions (WxDxH)Known for one	101.6 x 146.99 x 19.99 mm	Unknown — not stated by the source
Data transfer rateKnown for one	3 Gbit/s	Unknown — not stated by the source
External power adapterKnown for one	No	Unknown — not stated by the source
Internal	Yes	Yes
Mac compatibilityKnown for one	No	Unknown — not stated by the source
USB poweredKnown for one	No	Unknown — not stated by the source
Compatible productsKnown for one	PCs	Unknown — not stated by the source
Drive device, transfer rateKnown for one	Unknown — not stated by the source	100 MB/s

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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