Environmental Specifications; Temperature Specifications - Dell EMC PowerEdge R6400 Installation And Service Manual

Table 8. Supported drive options for the PowerEdge C6420 sled
Maximum number of drives in the enclosure
12 x 3.5-inch drive systems
24 x 2.5-inch drive systems
24 x 2.5-inch drive systems with NVMe
M.2 SATA drive (optional)
microSD card (optional) for boot (up to 64 GB)
Table 9. Supported RAID options with M.2 SATA drives
Options
Hardware RAID
RAID Mode
Number of drives supported
Supported CPUs

Environmental specifications

Temperature specifications

Table 10. Temperature specifications
Temperature
Storage
Continuous operation (for altitude less than 950 m or 3117 ft)
Fresh air
Maximum temperature gradient (operating and storage)
NOTE: Some configurations require a lower ambient temperature for more information, see the Standard operating temperature
specifications.
20 Technical specifications
Maximum number of drives assigned per sled
Three SAS or SATA hard drives and SSDs per sled
Six SAS or SATA hard drives and SSDs per sled
The NVMe backplane supports either of these configurations:
•
•
The supported capacity of the M.2 SATA card is 120 GB
One on each PCIe riser of each sled
Single M.2 SATA drive without RAID
No
N/A
1
CPU 1
Specifications
–40°C to 65°C (–40°F to 149°F)
10°C to 35°C (50°F to 95°F) with no direct sunlight on the
equipment.
For information about fresh air, see Expanded Operating
Temperature section.
20°C/h (36°F/h)
Two NVMe drives and four SAS or SATA hard drives and SSDs
per sled
Six SAS or SATA hard drives and SSDs per sled
NOTE: The M.2 SATA card can be installed on the x16 riser
slot (slot 5).
Dual M.2 SATA drives with hardware RAID
Yes
RAID 1
2
CPU 1 and CPU 2