Product comparison · 2 disk arrays

Dell Compellent SC420 vs Dell DataDomain DD3300

Key differences

Number of storage drives installed
- Compellent SC420:7
- DataDomain DD3300:4
Total installed storage capacity
- Compellent SC420:12.6 TB
- DataDomain DD3300:16 TB
Number of storage drives supported
- Compellent SC420:24
- DataDomain DD3300:16
Storage drive capacity
- Compellent SC420:1.8 TB
- DataDomain DD3300:4 TB
Storage drive size
- Compellent SC420:2.5"
- DataDomain DD3300:3.5"
Storage drive sizes supported
- Compellent SC420:2.5"
- DataDomain DD3300:3.5"
HDD speed
- Compellent SC420:10000 RPM
- DataDomain DD3300:7200 RPM
Power supply unit (PSU) capacity
- Compellent SC420:600 W
- DataDomain DD3300:425 W

Differences highlightedShow differences only

Comparison of Compellent SC420, DataDomain DD3300
39 specifications	A Dell Compellent SC420 View product	B Dell DataDomain DD3300 View product
Storage7 differ
Number of storage drives installedDiffers	7	4
Total installed storage capacityDiffers	12.6 TB	16 TB
Number of storage drives supportedDiffers	24	16
Storage drive capacityDiffers	1.8 TB	4 TB
Storage drive sizeDiffers	2.5"	3.5"
Storage drive sizes supportedDiffers	2.5"	3.5"
HDD speedDiffers	10000 RPM	7200 RPM
Ports & interfacesidentical
USB connectivityKnown for one	Unknown — not stated by the source	No
RJ-45 ports quantityKnown for one	Unknown — not stated by the source	4
Designidentical
Device classKnown for one	Unknown — not stated by the source	Small & Medium Business
Product colourKnown for one	Unknown — not stated by the source	Black
CoolingKnown for one	Unknown — not stated by the source	Yes
Number of fansKnown for one	Unknown — not stated by the source	6 fan(s)
Rack railsKnown for one	Yes	Unknown — not stated by the source
BezelKnown for one	Yes	Unknown — not stated by the source
Power1 differ
Power supply unit (PSU) capacityDiffers	600 W	425 W
Weight & dimensions4 differ
WidthDiffers	482 mm	434 mm
DepthDiffers	541 mm	715.5 mm
HeightDiffers	87 mm	86.8 mm
WeightDiffers	8.8 kg	33.1 kg
Operational conditions1 differ
Operating relative humidity (H-H)Differs	8 - 85%	20 - 80%
Storage relative humidity (H-H)Known for one	5 - 95%	Unknown — not stated by the source
Operating altitudeKnown for one	-16 - 3048 m	Unknown — not stated by the source
Non-operating altitudeKnown for one	-16 - 10600 m	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.