Expansion Card Installation Guidelines - Dell EMC PowerEdge R640 Installation And Service Manual

Expansion card installation guidelines

Depending on your system configuration, the following PCI Express (PCIe) generation 3 expansion cards are supported:
Table 42. Expansion card riser configurations
Expansion card riser
Riser 1A
Riser 2A
Riser 1B
Riser 2B
Riser 1B
NOTE: The expansion card slots are not hot-swappable.
The following table provides guidelines for installing expansion cards to ensure proper cooling and mechanical fit. The expansion cards with
the highest priority should be installed first using the slot priority indicated. All the other expansion cards should be installed in the card
priority and slot priority order.
Table 43. Riser configurations: 1B
Card Type
HWRAID BOSS (ODM)
NVMe PCIe SSD (Dell design)
Infiniband HCA EDR (Mellanox)
100G NICs (Mellanox)
Omni-Path HFI (Intel)
Infiniband HCA FDR (Mellanox)
40G NICs (Intel)
40G NICs (Mellanox)
FC32 HBA (QLogic)
FC32 HBA (Emulex)
25G NICs (Broadcom)
25G NICs (Mellanox)
25G NICs (QLogic)
FC16 HBA (QLogic)
FC16 HBA (Emulex)
10Gb NICs (Broadcom)
10Gb NICs (Intel)
10Gb NICs (Mellanox)
PCIe slots on the riser
Slot 1
Slot 2
Slot 3
Slot 1
Slot 2
Slot 1
Slot Priority
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Processor connection Height
Processor 1 Low Profile
Processor 1 Low Profile
Processor 2 Low Profile
Processor 1 Low Profile
Processor 2 Full Height
Processor 1 Low Profile
Dell EMC PowerEdge R640 Installation and Service Manual
Length
Half Length
Half Length
Half Length
Half Length
Three-fourth Length
Half Length
Form Factor
Low Profile
Low Profile
Low Profile
Low Profile
Low Profile
Low Profile
Low Profile
Low Profile
Low Profile
Low Profile
Low Profile
Low Profile
Low Profile
Low Profile
Low Profile
Low Profile
Low Profile
Low Profile
Installing and removing system components
Slot width
x16
x16
x16
x16
x16
x16
95