Product comparison · 2 internal hard drives

Dell 300GB SCSI 3.5" vs Dell 750GB SATA2 3.5"

10specifications compared
5differ
5identical
2known for one product only

Key differences

The Dell 750GB SATA2 3.5" has 450 GB more HDD capacity than the Dell 300GB SCSI 3.5" (750 GB vs 300 GB). The Dell 300GB SCSI 3.5" has 2,800 RPM more HDD speed than the Dell 750GB SATA2 3.5" (10000 RPM vs 7200 RPM). The Dell 300GB SCSI 3.5" has 20 MB/s more drive device, transfer rate than the Dell 750GB SATA2 3.5" (320 MB/s vs 300 MB/s). Interface: Ultra320 SCSI on the Dell 300GB SCSI 3.5", Serial ATA II on the Dell 750GB SATA2 3.5". Product colour: Black on the Dell 300GB SCSI 3.5", Silver on the Dell 750GB SATA2 3.5".

HDD capacity
- 300GB SCSI 3.5":300 GB
- 750GB SATA2 3.5":750 GB
HDD speed
- 300GB SCSI 3.5":10000 RPM
- 750GB SATA2 3.5":7200 RPM
Interface
- 300GB SCSI 3.5":Ultra320 SCSI
- 750GB SATA2 3.5":Serial ATA II
Product colour
- 300GB SCSI 3.5":Black
- 750GB SATA2 3.5":Silver
Drive device, transfer rate
- 300GB SCSI 3.5":320 MB/s
- 750GB SATA2 3.5":300 MB/s

Side by side

Differences highlightedShow differences only

Comparison of 300GB SCSI 3.5", 750GB SATA2 3.5"
12 specifications	A Dell 300GB SCSI 3.5"View product	B Dell 750GB SATA2 3.5"View product
Features3 differ
HDD capacityDiffers	300 GB	750 GB
HDD speedDiffers	10000 RPM	7200 RPM
HDD size	3.5"	3.5"
InterfaceDiffers	Ultra320 SCSI	Serial ATA II
Component for	Server/workstation	Server/workstation
Hot-swap	Yes	Yes
Storage drive buffer sizeKnown for one	Unknown — not stated by the source	16 MB
Poweridentical
Operating voltage	5 / 12 V	5 / 12 V
Other features2 differ
Product colourDiffers	Black	Silver
Drive device, transfer rateDiffers	320 MB/s	300 MB/s
Internal	Yes	Yes
Compatible productsKnown for one	Dell PowerEdge 2550	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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