Chassis weight
Table 6. Chassis weight of the PowerEdge C6400 enclosure with PowerEdge C6420 sleds
System Maximum weight (with all sleds and drives)
12 x 3.5-inch hard drive systems 43.62 Kg (96.16 lb)
24 x 2.5-inch hard drive systems 41.46 Kg (91.40 lb)
No backplane systems 34.56 Kg (76.19 lb)
Processor specications
The PowerEdge C6420 sled supports up to two Intel Xeon Scalable E5- 2600 or 2600 Fabric product family processors in each of the four
independent sleds. Each processor supports up to 28 cores.
NOTE: The fabric processor must be installed in the CPU2 socket in a mixed conguration of fabric and non-fabric
processors.
System battery
The PowerEdge C6420 sled uses a CR 2032 3V replaceable lithium coin cell battery.
Expansion bus specications
The PowerEdge C6420 sled supports four Generation 3 capable PCIe slots.
Table 7. Expansion bus
specications
PCIe Slots Description Form factor
x8 Mezz PCIe riser Slot 1: x8 PCIe Gen3 from CPU 1 Custom form factor
x8+x8 OCP Mezz riser
Slot 2: x8 PCIe Gen3 from CPU 1
Standard Open Compute Project (OCP)
form factor
Slot 3: x8 PCIe Gen3 from CPU 1
x16 PCIe main riser Slot 4: x16 PCIe Gen3 CPU 1 Standard Low Prole PCIe form factor
x16 buried PCIe riser Slot 5: x16 PCIe Gen3 from CPU 2 Custom form factor
NOTE: M.2 SATA riser is supported
on the buried riser.
Memory specications
PowerEdge C6420 sled supports DDR4 registered DIMMs (RDIMMs) and Load Reduced DIMMS (LRDIMMs) (including 3dx).
Table 8. Memory
specications
Memory module sockets Architecture Memory capacity and
ranking
Minimum RAM Maximum RAM
Sixteen 288-pin 2666 MT/s DDR4
RDIMMs and LRDIMMS
• Single rank - 8 GB
• Dual rank - 16 GB
• 8 GB with a single
processor
• 512 GB with a single
processor
Technical specications 17