Product comparison · 2 internal hard drives

Dell 146GB SCSI 3.5" vs Dell 750GB SATA 3.5"

7specifications compared
4differ
3identical
3known for one product only

Key differences

HDD capacity
- 146GB SCSI 3.5":146 GB
- 750GB SATA 3.5":750 GB
HDD speed
- 146GB SCSI 3.5":15000 RPM
- 750GB SATA 3.5":7200 RPM
Interface
- 146GB SCSI 3.5":Ultra320 SCSI
- 750GB SATA 3.5":Serial ATA II
Drive device, transfer rate
- 146GB SCSI 3.5":320 MB/s
- 750GB SATA 3.5":300 MB/s

Side by side

Differences highlightedShow differences only

Comparison of 146GB SCSI 3.5", 750GB SATA 3.5"
10 specifications	A Dell 146GB SCSI 3.5"View product	B Dell 750GB SATA 3.5"View product
Features3 differ
HDD capacityDiffers	146 GB	750 GB
HDD speedDiffers	15000 RPM	7200 RPM
HDD size	3.5"	3.5"
InterfaceDiffers	Ultra320 SCSI	Serial ATA II
Storage drive buffer sizeKnown for one	Unknown — not stated by the source	16 MB
Component forKnown for one	Laptop	Unknown — not stated by the source
Poweridentical
Operating voltage	5 / 12 V	5 / 12 V
Other features1 differ
Product colourKnown for one	Unknown — not stated by the source	Black
Drive device, transfer rateDiffers	320 MB/s	300 MB/s
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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