Product comparison · 2 internal hard drives

Dell 750GB SAS 3.5" vs Dell 80GB ATA 2.5"

7specifications compared
6differ
1identical
8known for one product only

Key differences

HDD capacity
- 750GB SAS 3.5":750 GB
- 80GB ATA 2.5":80 GB
HDD speed
- 750GB SAS 3.5":7200 RPM
- 80GB ATA 2.5":5400 RPM
HDD size
- 750GB SAS 3.5":3.5"
- 80GB ATA 2.5":2.5"
Interface
- 750GB SAS 3.5":SAS
- 80GB ATA 2.5":IDE/ATA
Operating voltage
- 750GB SAS 3.5":5 / 12 V
- 80GB ATA 2.5":5 V
Product colour
- 750GB SAS 3.5":Silver
- 80GB ATA 2.5":Black

Side by side

Differences highlightedShow differences only

Comparison of 750GB SAS 3.5", 80GB ATA 2.5"
15 specifications	A Dell 750GB SAS 3.5"View product	B Dell 80GB ATA 2.5"View product
Features4 differ
HDD capacityDiffers	750 GB	80 GB
HDD speedDiffers	7200 RPM	5400 RPM
HDD sizeDiffers	3.5"	2.5"
InterfaceDiffers	SAS	IDE/ATA
Storage drive buffer sizeKnown for one	Unknown — not stated by the source	8 MB
Average seek timeKnown for one	Unknown — not stated by the source	12 ms
Average latencyKnown for one	Unknown — not stated by the source	5.56 ms
SMART technologyKnown for one	Unknown — not stated by the source	Yes
Power1 differ
Operating voltageDiffers	5 / 12 V	5 V
Weight & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	711 mm
DepthKnown for one	Unknown — not stated by the source	99 mm
HeightKnown for one	Unknown — not stated by the source	101 mm
Other features1 differ
Product colourDiffers	Silver	Black
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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