D-Link DSN-6120 disk array vs D-Link DSN-6420 disk array

Comparison of DSN-6120, DSN-6420

27 specifications	A D-Link DSN-6120 disk array Model DSN-6120 View product	B D-Link DSN-6420 disk array Model DSN-6420 View product
Storageidentical
Storage drives installed	Yes	Yes
Installed storage drive type	HDD	HDD
Number of storage drives installed	12	12
Total installed storage capacity	24 TB	24 TB
Supported storage drive types	HDD	HDD
Number of storage drives supported	12	12
Storage drive capacity	2 TB	2 TB
Storage drive interface	Serial ATA II	Serial ATA II
Storage drive size	3.5"	3.5"
RAID levels	1, 0+1, 3, 5, 6, 10, 30, 50, 60, JBOD	1, 0+1, 3, 5, 6, 10, 30, 50, 60, JBOD
Ports & interfaces1 differ
Host portsDiffers	8	4
RJ-45 ports quantity	1	1
Designidentical
Device class	Small & Medium Business	Small & Medium Business
Chassis type	Rack (2U)	Rack (2U)
Product colour	Black	Black
Poweridentical
Power supply unit (PSU) capacity	500 W	500 W
Number of power supply units	2	2
Redundant power supply (RPS) supportKnown for one	Yes	—Unknown — not stated by the source
AC input voltage	100-240 V	100-240 V
System requirementsidentical
Mac operating systems supported	Yes	Yes
Linux operating systems supported	Yes	Yes
Windows operating systems supported	Yes	Yes
Weight & dimensionsidentical
Width	442.8 mm	442.8 mm
Depth	500.6 mm	500.6 mm
Height	88 mm	88 mm
Operational conditionsidentical
Operating temperature (T-T)	0 - 40 °C	0 - 40 °C
Operating relative humidity (H-H)	5 - 95%	5 - 95%

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.