Table 9. Supported drive options for the PowerEdge C6420 sled
Maximum number of drives in the enclosure
Maximum number of drives assigned per sled
12 x 3.5-inch drive systems
Three SAS or SATA hard drives and SSDs per sled
24 x 2.5-inch drive systems
Six SAS or SATA hard drives and SSDs per sled
24 x 2.5-inch drive systems with NVMe
The NVMe backplane supports either of these configurations:
•
Two NVMe drives and four SAS or SATA hard drives and SSDs
per sled
•
Six SAS or SATA hard drives and SSDs per sled
M.2 SATA drive (optional)
The supported capacity of the M.2 SATA card is 120 GB.
NOTE:
The M.2 SATA card can be installed on the x8 (slot
1) mezzanine riser or the x16 riser slot (slot 5).
SDHC Card (optional) for boot (up to 64 GB)
One on each PCIe riser of each sled
Environmental specifications
Temperature specifications
Table 10. Temperature specifications
Temperature
Specifications
Storage
–40°C to 65°C (–40°F to 149°F)
Continuous operation (for altitude less than 950 m or 3117 ft)
10°C to 35°C (50°F to 95°F) with no direct sunlight on the
equipment.
Fresh air
For information about fresh air, see Expanded Operating
Temperature section.
Maximum temperature gradient (operating and storage)
20°C/h (36°F/h)
NOTE:
Some configurations require a lower ambient temperature for more information, see the Standard operating temperature
specifications.
Relative humidity specifications
Table 11. Relative humidity specifications
Relative humidity
Specifications
Storage
5% to 95% RH with 33°C (91°F) maximum dew point. Atmosphere
must be non-condensing at all times.
Operating
10% to 80% relative humidity with 29°C (84.2°F)
20
Dell PowerEdge C6400 Installation and Service Manual
Technical specifications
