Dell EMC DSS8440 - Cooling Fans Specifications; System Battery Specifications; Expansion Card Riser Specifications; Memory Specifications

Cooling fans specications
The Dell EMC DSS8440 system supports up to twelve 60 mm x 60 mm (square) cooling fans.
System battery specications
The Dell EMC DSS8440 system supports CR 2032 3.0-V lithium coin cell system battery.
Expansion card riser specications
The Dell EMC DSS8440 system supports up to 10 x Dual Width Full Length PCIe slots and rear I/O 8 x Full Height Half Length PCIe slots.
Memory specications
Table 4. Memory specications
DIMM type DIMM rank DIMM capacity
Dual processors
Minimum RAM Maximum RAM
RDIMM Dual rank 32 GB 64 GB 768 GB
RDIMM Dual rank 16 GB 32 GB 384 GB
RDIMM Single rank 8 GB 16 GB 192 GB
NOTE: Ensure that all the memory slots are populated either with DIMMs or DIMM blanks.
NOTE: It is recommended to have all DIMMs of the same type.
Drive specications
The Dell EMC DSS8440 system supports 10 x 2.5 inch hard drives with following congurations:
• Drive 0–1: Support SATA/SAS only
• Drive 2–7: Support SATA/SAS/NVMe only
• Drive 8–9: Support NVMe only
Ports and connectors specications
USB ports specications
Dell EMC DSS8440 system supports two USB 3.0 ports available through back panel and one internal USB 3.0 port on system board.
COM port specications
Dell EMC DSS8440 system supports one 9 pin 16550 compliant com ports available through the back panel.
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Technical specications