Dell PowerEdge R840 EMC Installation and Service Manual - Page 82

Expansion card installation guidelines

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Table 16. Expansion card riser specifications (continued) PCIe slot Riser Processor connection 4 Located on the Processor 2 system board 5 X8 PCIe Riser 2 Processor 2 6 X16 PCIe Riser 2 Processor 2 X8 PCIe Riser 2 Processor 2 Height Low profile Full height Full height Full height Length Half length Half length Full length Half length Slot width x16 x8 x16 x8 Expansion card installation guidelines To ensure proper cooling and mechanical fit, the following table provides guidelines for installing expansion cards. The expansion cards with the highest priority must be installed first using the slot priority indicated. All the other expansion cards should be installed in the card priority and slot priority order. NOTE: The expansion-card slots are not hot-swappable. Table 17. x16 PCIe riser 1+ x16 PCIe riser 2 configuration Card type Slot priority Riser height Maximum number of cards supported GPU Nvidia 2,6 Full height 2 FPGA Intel 2,6 Full height 2 PERC10 Dell design 3 Low profile 1 Infiniband HCA EDR Mellanox 3,4 Low profile 2 2,6 Full height 2 100G NICs Mellanox 3,4 Low profile 2 2,6 Full height 2 Omni-Path HFI INTEL 3,4 Low profile 2 2,6 Full height 2 BOSS Dell design 2,6 Full height 1 2,6 Full height 1 3,4 Low profile 1 3,4 Low profile 1 External RAID Dell design 3,4 Low profile 2 2,6 Full height 2 Infiniband HCA FDR Mellanox 3,4 Low profile 2 40Gb NICs INTEL 2,6 Full height 2 3,4 Low profile 2 FC32 HBA Emulex 2,6 Full height 2 3,4 Low profile 2 25G NICs Broadcom 3,4 Low profile 2 2,6 Full height 2 Card height Card length Maximum PCIe width supported Full length Full height x16 Half length Full height x16 Half length Low profile x8 Half length Low profile X16 Half length Full height X16 Half length Low profile X16 Half length Full height X16 Half length Low profile x16 Half length Full height x16 Half length Full height x4 Half length Full height x8 Half length Low profile x4 Half length Low profile x8 Half length Low profile x8 Half length Full height x8 Half length Low profile x8 Half length Full height x8 Half length Low profile x8 Half length Full height x8 Half length Low profile x8 Half length Low profile x8 Half length Full height x8 82 Installing and removing system components

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Table 16. Expansion card riser specifications (continued)
PCIe slot
Riser
Processor
connection
Height
Length
Slot width
4
Located on the
system board
Processor 2
Low profile
Half length
x16
5
X8 PCIe Riser 2
Processor 2
Full height
Half length
x8
6
X16 PCIe Riser 2
Processor 2
Full height
Full length
x16
X8 PCIe Riser 2
Processor 2
Full height
Half length
x8
Expansion card installation guidelines
To ensure proper cooling and mechanical fit, the following table provides guidelines for installing expansion cards. The expansion cards
with the highest priority must be installed first using the slot priority indicated. All the other expansion cards should be installed in the card
priority and slot priority order.
NOTE:
The expansion-card slots are not hot-swappable.
Table 17. x16 PCIe riser 1+ x16 PCIe riser 2 configuration
Card type
Slot priority
Riser height
Maximum
number of
cards
supported
Card height
Card length
Maximum
PCIe width
supported
GPU
Nvidia
2,6
Full height
2
Full length
Full height
x16
FPGA
Intel
2,6
Full height
2
Half length
Full height
x16
PERC10
Dell design
3
Low profile
1
Half length
Low profile
x8
Infiniband
HCA EDR
Mellanox
3,4
Low profile
2
Half length
Low profile
X16
2,6
Full height
2
Half length
Full height
X16
100G NICs
Mellanox
3,4
Low profile
2
Half length
Low profile
X16
2,6
Full height
2
Half length
Full height
X16
Omni-Path
HFI
INTEL
3,4
Low profile
2
Half length
Low profile
x16
2,6
Full height
2
Half length
Full height
x16
BOSS
Dell design
2,6
Full height
1
Half length
Full height
x4
2,6
Full height
1
Half length
Full height
x8
3,4
Low profile
1
Half length
Low profile
x4
3,4
Low profile
1
Half length
Low profile
x8
External RAID
Dell design
3,4
Low profile
2
Half length
Low profile
x8
2,6
Full height
2
Half length
Full height
x8
Infiniband
HCA FDR
Mellanox
3,4
Low profile
2
Half length
Low profile
x8
40Gb NICs
INTEL
2,6
Full height
2
Half length
Full height
x8
3,4
Low profile
2
Half length
Low profile
x8
FC32 HBA
Emulex
2,6
Full height
2
Half length
Full height
x8
3,4
Low profile
2
Half length
Low profile
x8
25G NICs
Broadcom
3,4
Low profile
2
Half length
Low profile
x8
2,6
Full height
2
Half length
Full height
x8
82
Installing and removing system components