Product comparison · 2 internal hard drives

Dell 146GB SAS 15k 2.5" vs Dell 500GB SATA 7.2k 3.5"

Key differences

HDD capacity
- 146GB SAS 15k 2.5":146 GB
- 500GB SATA 7.2k 3.5":500 GB
HDD speed
- 146GB SAS 15k 2.5":15000 RPM
- 500GB SATA 7.2k 3.5":7200 RPM
HDD size
- 146GB SAS 15k 2.5":2.5"
- 500GB SATA 7.2k 3.5":3.5"
Interface
- 146GB SAS 15k 2.5":SAS
- 500GB SATA 7.2k 3.5":Serial ATA
Hot-swap
- 146GB SAS 15k 2.5":Yes
- 500GB SATA 7.2k 3.5":No
Operating voltage
- 146GB SAS 15k 2.5":5 V
- 500GB SATA 7.2k 3.5":5 / 12 V
Data transfer rate
- 146GB SAS 15k 2.5":6 Gbit/s
- 500GB SATA 7.2k 3.5":1.5 Gbit/s

Differences highlightedShow differences only

Comparison of 146GB SAS 15k 2.5", 500GB SATA 7.2k 3.5"
10 specifications	A Dell 146GB SAS 15k 2.5"View product	B Dell 500GB SATA 7.2k 3.5"View product
Features5 differ
HDD capacityDiffers	146 GB	500 GB
HDD speedDiffers	15000 RPM	7200 RPM
HDD sizeDiffers	2.5"	3.5"
InterfaceDiffers	SAS	Serial ATA
Type	HDD	HDD
Component forKnown for one	Server/workstation	Unknown — not stated by the source
Hot-swapDiffers	Yes	No
Power1 differ
Operating voltageDiffers	5 V	5 / 12 V
Packaging dataidentical
Quantity per pack	1 pc(s)	1 pc(s)
Other features1 differ
Data transfer rateDiffers	6 Gbit/s	1.5 Gbit/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.