Product comparison · 2 disk arrays

Dell Compellent SC420 vs Dell SC7020 disk array

24specifications compared
14differ
10identical
14known for one product only

Key differences

Installed storage drive type
- Compellent SC420:HDD
- SC7020 disk array:SSD
Total installed storage capacity
- Compellent SC420:12.6 TB
- SC7020 disk array:6.72 TB
Supported storage drive types
- Compellent SC420:HDD
- SC7020 disk array:HDD & SSD
Number of storage drives supported
- Compellent SC420:24
- SC7020 disk array:30
Storage drive capacity
- Compellent SC420:1.8 TB
- SC7020 disk array:960 GB
Chassis type
- Compellent SC420:Rack (2U)
- SC7020 disk array:Rack (3U)
Power supply unit (PSU) capacity
- Compellent SC420:600 W
- SC7020 disk array:1485 W
AC input voltage
- Compellent SC420:100 - 240 V
- SC7020 disk array:200 - 240 V

Side by side

Differences highlightedShow differences only

Comparison of Compellent SC420, SC7020
38 specifications	A Dell Compellent SC420 View product	B Dell SC7020 disk array Model SC7020 View product
Storage5 differ
Storage drives installed	Yes	Yes
Installed storage drive typeDiffers	HDD	SSD
Number of storage drives installed	7	7
Total installed storage capacityDiffers	12.6 TB	6.72 TB
Supported storage drive typesDiffers	HDD	HDD & SSD
Number of storage drives supportedDiffers	24	30
Storage drive capacityDiffers	1.8 TB	960 GB
Storage drive interface	Serial Attached SCSI (SAS)	Serial Attached SCSI (SAS)
Storage drive sizeKnown for one	2.5"	Unknown — not stated by the source
Supported storage drive interfaces	SAS	SAS
Storage drive sizes supportedKnown for one	2.5"	Unknown — not stated by the source
Hot-Plug supportKnown for one	Yes	Unknown — not stated by the source
HDD speedKnown for one	10000 RPM	Unknown — not stated by the source
RAID levelsKnown for one	Unknown — not stated by the source	0, 1, 5, 6, 10
Design1 differ
Chassis typeDiffers	Rack (2U)	Rack (3U)
LED indicatorsKnown for one	Yes	Unknown — not stated by the source
Rack railsKnown for one	Yes	Unknown — not stated by the source
BezelKnown for one	Yes	Unknown — not stated by the source
Device classKnown for one	Unknown — not stated by the source	Large Enterprise Business
Product colourKnown for one	Unknown — not stated by the source	Black, Silver
Supported network protocolsKnown for one	Unknown — not stated by the source	FC, iSCSI, 12Gb SAS
Power2 differ
Power supply unit (PSU) capacityDiffers	600 W	1485 W
Number of power supply units	2	2
Redundant power supply (RPS) support	Yes	Yes
AC input voltageDiffers	100 - 240 V	200 - 240 V
AC input frequency	50 - 60 Hz	50 - 60 Hz
Weight & dimensions4 differ
WidthDiffers	482 mm	445 mm
DepthDiffers	541 mm	785 mm
HeightDiffers	87 mm	133.3 mm
WeightDiffers	8.8 kg	15.2 kg
Packaging contentidentical
Cables included	AC	AC
Operational conditions2 differ
Operating temperature (T-T)	10 - 35 °C	10 - 35 °C
Operating relative humidity (H-H)Differs	8 - 85%	-40 - 65%
Storage temperature (T-T)Differs	-40 - 65 °C	10 - 80 °C
Storage relative humidity (H-H)	5 - 95%	5 - 95%
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
Ports & interfacesidentical
USB connectivityKnown for one	Unknown — not stated by the source	No

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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