Product comparison · 2 internal hard drives

Dell 400-20084 internal hard drive vs Dell 400-21621 internal hard drive

10specifications compared
5differ
5identical
0known for one product only

Key differences

HDD capacity
- 400-20084 internal hard drive:146 GB
- 400-21621 internal hard drive:250 GB
HDD speed
- 400-20084 internal hard drive:10000 RPM
- 400-21621 internal hard drive:7200 RPM
Interface
- 400-20084 internal hard drive:SAS
- 400-21621 internal hard drive:Serial ATA
Data transfer rate
- 400-20084 internal hard drive:6 Gbit/s
- 400-21621 internal hard drive:1.5 Gbit/s

Side by side

Differences highlightedShow differences only

Comparison of 400-20084, 400-21621
10 specifications	A Dell 400-20084 internal hard drive Model 400-20084 View product	B Dell 400-21621 internal hard drive Model 400-21621 View product
Features3 differ
HDD capacityDiffers	146 GB	250 GB
HDD speedDiffers	10000 RPM	7200 RPM
HDD size	2.5"	2.5"
InterfaceDiffers	SAS	Serial ATA
Poweridentical
Operating voltage	5 V	5 V
Other features2 differ
Product colour	Black	Black
Data transfer rateDiffers	6 Gbit/s	1.5 Gbit/s
Hot-Plug support	Yes	Yes
Internal	Yes	Yes
Compatible productsDiffers	Dell PowerEdge R310 FS/R410/R510 FS/R710/T410/T610 FS	Dell PowerEdge T610 FS/R710 RA/R610 FS

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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