Product comparison · 2 internal hard drives

Dell 146GB SAS Hard Drive vs HP 640GB SATA 7200rpm 2.5"

5specifications compared
3differ
2identical
2known for one product only

Key differences

The HP 640GB SATA 7200rpm 2.5" has 494 GB more HDD capacity than the Dell 146GB SAS Hard Drive (640 GB vs 146 GB). The Dell 146GB SAS Hard Drive has 2,800 RPM more HDD speed than the HP 640GB SATA 7200rpm 2.5" (10000 RPM vs 7200 RPM). Interface: SAS on the Dell 146GB SAS Hard Drive, Serial ATA on the HP 640GB SATA 7200rpm 2.5".

HDD capacity
- 146GB SAS Hard Drive:146 GB
- 640GB SATA 7200rpm 2.5":640 GB
HDD speed
- 146GB SAS Hard Drive:10000 RPM
- 640GB SATA 7200rpm 2.5":7200 RPM
Interface
- 146GB SAS Hard Drive:SAS
- 640GB SATA 7200rpm 2.5":Serial ATA

Side by side

Differences highlightedShow differences only

Comparison of 146GB SAS Hard Drive, 640GB SATA 7200rpm 2.5"
7 specifications	A Dell 146GB SAS Hard Drive View product	B HP 640GB SATA 7200rpm 2.5"View product
Features3 differ
HDD capacityDiffers	146 GB	640 GB
HDD speedDiffers	10000 RPM	7200 RPM
HDD size	2.5"	2.5"
InterfaceDiffers	SAS	Serial ATA
Component forKnown for one	Server/workstation	Unknown — not stated by the source
Poweridentical
Operating voltage	5 V	5 V
Other featuresidentical
InternalKnown for one	Unknown — not stated by the source	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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