Product comparison · 2 internal hard drives

Dell 8PDNC internal hard drive vs HP 656621-001 internal hard drive

4specifications compared
2differ
2identical
7known for one product only

Key differences

The Dell 8PDNC internal hard drive has 180 GB more HDD capacity than the HP 656621-001 internal hard drive (500 GB vs 320 GB). Interface: Serial ATA II on the Dell 8PDNC internal hard drive, Serial ATA on the HP 656621-001 internal hard drive.

HDD capacity
- 8PDNC internal hard drive:500 GB
- 656621-001 internal hard drive:320 GB
Interface
- 8PDNC internal hard drive:Serial ATA II
- 656621-001 internal hard drive:Serial ATA

Side by side

Differences highlightedShow differences only

Comparison of 8PDNC, 656621-001
11 specifications	A Dell 8PDNC internal hard drive Model 8PDNC View product	B HP 656621-001 internal hard drive Model 656621-001 View product
Features2 differ
HDD capacityDiffers	500 GB	320 GB
InterfaceDiffers	Serial ATA II	Serial ATA
Component forKnown for one	Unknown — not stated by the source	Laptop
Average seek timeKnown for one	Unknown — not stated by the source	11 ms
TypeKnown for one	HDD	Unknown — not stated by the source
HDD interface transfer rateKnown for one	3 Gbit/s	Unknown — not stated by the source
Poweridentical
Operating voltageKnown for one	Unknown — not stated by the source	5 V
Other featuresidentical
Compatible productsKnown for one	Unknown — not stated by the source	EliteBook 2760p
Packaging dataidentical
Quantity per packKnown for one	1 pc(s)	Unknown — not stated by the source

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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