Product comparison · 2 internal hard drives

Dell 450GB SAS vs HP 250GB 7200RPM SATA 2.5" HDD f/ EliteBook 8540w

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

Key differences

The Dell 450GB SAS has 200 GB more HDD capacity than the HP 250GB 7200RPM SATA 2.5" HDD f/ EliteBook 8540w (450 GB vs 250 GB). The Dell 450GB SAS has 7,800 RPM more HDD speed than the HP 250GB 7200RPM SATA 2.5" HDD f/ EliteBook 8540w (15000 RPM vs 7200 RPM). The Dell 450GB SAS has 1" more HDD size than the HP 250GB 7200RPM SATA 2.5" HDD f/ EliteBook 8540w (3.5" vs 2.5"). Interface: SAS on the Dell 450GB SAS, Serial ATA on the HP 250GB 7200RPM SATA 2.5" HDD f/ EliteBook 8540w. Operating voltage: 5 / 12 V on the Dell 450GB SAS, 5 V on the HP 250GB 7200RPM SATA 2.5" HDD f/ EliteBook 8540w.

HDD capacity
- 450GB SAS:450 GB
- 250GB 7200RPM SATA 2.5" HDD f/ EliteBook 8540w:250 GB
HDD speed
- 450GB SAS:15000 RPM
- 250GB 7200RPM SATA 2.5" HDD f/ EliteBook 8540w:7200 RPM
HDD size
- 450GB SAS:3.5"
- 250GB 7200RPM SATA 2.5" HDD f/ EliteBook 8540w:2.5"
Interface
- 450GB SAS:SAS
- 250GB 7200RPM SATA 2.5" HDD f/ EliteBook 8540w:Serial ATA
Operating voltage
- 450GB SAS:5 / 12 V
- 250GB 7200RPM SATA 2.5" HDD f/ EliteBook 8540w:5 V
Compatible products
- 450GB SAS:PowerEdge R710 RA
- 250GB 7200RPM SATA 2.5" HDD f/ EliteBook 8540w:EliteBook 8540w

Side by side

Differences highlightedShow differences only

Comparison of 450GB SAS, 250GB 7200RPM SATA 2.5" HDD f/ EliteBook 8540w
8 specifications	A Dell 450GB SAS View product	B HP 250GB 7200RPM SATA 2.5" HDD f/ EliteBook 8540w View product
Features4 differ
HDD capacityDiffers	450 GB	250 GB
HDD speedDiffers	15000 RPM	7200 RPM
HDD sizeDiffers	3.5"	2.5"
InterfaceDiffers	SAS	Serial ATA
Component forKnown for one	Server/workstation	Unknown — not stated by the source
Power1 differ
Operating voltageDiffers	5 / 12 V	5 V
Other features1 differ
Internal	Yes	Yes
Compatible productsDiffers	PowerEdge R710 RA	EliteBook 8540w

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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