Reference Guide

Memory specifications
Table 4. Memory specifications
Memory module
sockets
DIMM
type
DIMM rank DIMM capacity
Single processor Dual processors
Minimum
RAM
Maximum
RAM
Minimum
RAM
Maximum
RAM
Sixteen 288-pins
LRDIMM
Quad rank 64 GB 64 GB 512 GB 128 GB 1024 GB
Octal rank 128 GB 128 GB 1024 GB 256 GB 2048 GB
RDIMM
Single rank 8 GB 8 GB 64 GB 16 GB 128 GB
Dual rank
16 GB 16 GB 128 GB 32 GB 256 GB
32 GB 32 GB 256 GB 64 GB 512 GB
64 GB 64 GB 512 GB 128 GB 1024 GB
Drives and storage specifications
The Dell EMC PowerEdge C6420 sled supports SAS and SATA Drives and Solid State Drives (SSDs).
Table 5. 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 Drives and SSDs per sled
24 x 2.5-inch drive systems Six SAS or SATA 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 Drives and SSDs per
sled
• Six SAS or SATA Drives and SSDs per sled
M.2 SATA drive (optional) The supported capacity of the M.2 SATA card is up to 240 GB
NOTE: The M.2 SATA card can be installed on the x8
(slot 1) mezzanine riser or the x16 riser slot (slot 5).
microSD card (optional) for boot (up to 64 GB) One on each PCIe riser of each sled
Table 6. Supported RAID options with M.2 SATA drives
Options Single M.2 SATA drive without RAID Dual M.2 SATA drives with hardware
RAID
Hardware RAID No Yes
RAID Mode N/A RAID 1
Number of drives supported 1 2
Supported processors processor 1 processor 1 and processor 2
Video specifications
The Dell EMC PowerEdge C6420 sled supports a Matrox G200 integrated graphics card with 16 MB RAM.
Table 7. Supported video resolution options
Resolution Refresh rate (Hz) Color depth (bits)
1024 x 768 60 up to 24
Technical specifications 7