Memory Specifications; Storage Controller Specifications; Remote Management Port Specifications; Drive Specifications - Dell EMC PowerEdge R940 Installation And Service Manual

Riser PCIe slot on the
expansion card riser
Slot 11
Riser 3 (IO_RISER3) Slot 12
Slot 13

Memory specifications

Table 20. Memory specifications
Memory module Architecture
sockets
Twenty four 288-pins 2667 MT/s, 2400 MT/s, 2133 MT/s
(dual processor) DDR4 RDIMMs or LRDIMMs with
support for advanced ECC or
Forty eight 288-pins
memory optimized operation
(with quad processor)

Storage controller specifications

The PowerEdge R940 system supports:
• Internal storage controller cards: PowerEdge RAID Controller (PERC) H330, PERC H740P, S140 (NVMe drives only), and NVMe PCIe
SSD adapter.
• External storage controller cards: PERC H840 and 12Gbps SAS HBA.

Remote management port specifications

The PowerEdge R940 system supports one dedicated 1Gbe Ethernet port with optional card and up to two optional shared NIC ports.

Drive specifications

Hard drives

The PowerEdge R940 system supports:
• Up to twenty four 2.5-inch, internal, hot swappable SAS or SATA SSDs/hard drives
• Up to eight 2.5-inch internal, hot swappable SAS or SATA SSDs/hard drives

Ports and connectors specifications

USB ports

The PowerEdge R940 system supports:
Processor PCIe slots on riser
connection (Height)
Processor 4 full height
Processor 4 full height
Processor 4 full height
Memory capacity
• 8 GB, 16 GB, 32 GB
(single or dual rank)
RDIMMs
• 64 GB, 128 GB
(quad or octal rank)
LRDIMMs
PCIe slots Link width
on riser
(length)
3/4 length x16
half length x16
half length x16
Minimum RAM
16 GB
32 GB
Technical specifications
Slot width
x16
x16
x16
Maximum RAM
3 TB
6 TB
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