Product comparison · 2 internal hard drives

Dell 400-21125 internal hard drive vs Dell 400-21621 internal hard drive

10specifications compared
4differ
6identical
1known for one product only

Key differences

HDD capacity
- 400-21125 internal hard drive:500 GB
- 400-21621 internal hard drive:250 GB
HDD size
- 400-21125 internal hard drive:3.5"
- 400-21621 internal hard drive:2.5"
Operating voltage
- 400-21125 internal hard drive:5 / 12 V
- 400-21621 internal hard drive:5 V

Side by side

Differences highlightedShow differences only

Comparison of 400-21125, 400-21621
11 specifications	A Dell 400-21125 internal hard drive Model 400-21125 View product	B Dell 400-21621 internal hard drive Model 400-21621 View product
Features2 differ
HDD capacityDiffers	500 GB	250 GB
HDD speed	7200 RPM	7200 RPM
HDD sizeDiffers	3.5"	2.5"
Interface	Serial ATA	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
Product colour	Black	Black
Data transfer rate	1.5 Gbit/s	1.5 Gbit/s
Hot-Plug support	Yes	Yes
Internal	Yes	Yes
Compatible productsDiffers	Dell PowerEdge R310 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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