Product comparison · 2 internal hard drives

Dell 120GB SATA 5400rpm 1.8" vs HP 656621-001 internal hard drive

5specifications compared
4differ
1identical
4known for one product only

Key differences

HDD capacity
- 120GB SATA 5400rpm 1.8":120 GB
- 656621-001 internal hard drive:320 GB
HDD speed
- 120GB SATA 5400rpm 1.8":5400 RPM
- 656621-001 internal hard drive:7200 RPM
HDD size
- 120GB SATA 5400rpm 1.8":1.8"
- 656621-001 internal hard drive:2.5"
Operating voltage
- 120GB SATA 5400rpm 1.8":3.3 V
- 656621-001 internal hard drive:5 V

Side by side

Differences highlightedShow differences only

Comparison of 120GB SATA 5400rpm 1.8", 656621-001
9 specifications	A Dell 120GB SATA 5400rpm 1.8"View product	B HP 656621-001 internal hard drive Model 656621-001 View product
Features3 differ
HDD capacityDiffers	120 GB	320 GB
HDD speedDiffers	5400 RPM	7200 RPM
HDD sizeDiffers	1.8"	2.5"
Interface	Serial ATA	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
Power1 differ
Operating voltageDiffers	3.3 V	5 V
Other featuresidentical
Compatible productsKnown for one	Unknown — not stated by the source	EliteBook 2760p
InternalKnown for one	Yes	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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