Product comparison · 2 internal hard drives

Dell 320GB SATA 7200rpm 3.5" vs Dell 40GB SATA 5400rpm

6specifications compared
4differ
2identical
0known for one product only

Key differences

The Dell 320GB SATA 7200rpm 3.5" has 280 GB more HDD capacity than the Dell 40GB SATA 5400rpm (320 GB vs 40 GB). The Dell 320GB SATA 7200rpm 3.5" has 1,800 RPM more HDD speed than the Dell 40GB SATA 5400rpm (7200 RPM vs 5400 RPM). The Dell 320GB SATA 7200rpm 3.5" has 1" more HDD size than the Dell 40GB SATA 5400rpm (3.5" vs 2.5"). Operating voltage: 5 / 12 V on the Dell 320GB SATA 7200rpm 3.5", 5 V on the Dell 40GB SATA 5400rpm.

HDD capacity
- 320GB SATA 7200rpm 3.5":320 GB
- 40GB SATA 5400rpm:40 GB
HDD speed
- 320GB SATA 7200rpm 3.5":7200 RPM
- 40GB SATA 5400rpm:5400 RPM
HDD size
- 320GB SATA 7200rpm 3.5":3.5"
- 40GB SATA 5400rpm:2.5"
Operating voltage
- 320GB SATA 7200rpm 3.5":5 / 12 V
- 40GB SATA 5400rpm:5 V

Side by side

Differences highlightedShow differences only

Comparison of 320GB SATA 7200rpm 3.5", 40GB SATA 5400rpm
6 specifications	A Dell 320GB SATA 7200rpm 3.5"View product	B Dell 40GB SATA 5400rpm View product
Features3 differ
HDD capacityDiffers	320 GB	40 GB
HDD speedDiffers	7200 RPM	5400 RPM
HDD sizeDiffers	3.5"	2.5"
Interface	Serial ATA	Serial ATA
Power1 differ
Operating voltageDiffers	5 / 12 V	5 V
Other featuresidentical
Internal	Yes	Yes

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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