Dell EMC PowerEdge R840 Installation and Service Manual

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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 1. x16 PCIe riser 1+ x16 PCIe riser 2 configurationThis table shows the x16 PCIe riser 1+ x16 PCIe riser 2 configuration details.
Card type Slot priority Riser height Maximum number of cards supported Card length Card height Maximum PCIe width supported
25G NICs Intel 2,6 Full height 2 Half length Full height x8
3,4 Low profile 2 Half length Low profile x8
GPU Nvidia 2,6 Full height 2 Full length Full height x16
FPGA Intel 2,6 Full height 2 Half length Full height x16
PERC10/11 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 QLogic 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
FC16 HBA Emulex 2,6 Full height 2 Half length Full height x8
3,4 Low profile 2 Half length Low profile x8
2,3,4,6 Full height, Low profile 4 Half length Low profile x8
10Gb NICs 3,4 Low profile 2 Half length Low profile x8
2,6 Full height 2 Half length Full height x8
3,4 Low profile 2 Half length Low profile x4
2,6 Full height 2 Half length Full height x4
FC8 HBA 3,4 Low profile 2 Half length Low profile x8
2,6 Full height 2 Half length Full height x8
1Gb NICs 2,6 Full height 2 Half length Full height x1
3,4 Low profile 2 Half length Low profile x1
2,6 Full height 2 Half length Full height x4
3,4 Low profile 2 Half length Low profile x4
Non-RAID 3,4 Low profile 2 Half length Low profile x8
2,6 Full height 2 Half length Full height x8
NVMe PCIe SSD 3,4,2,6 Full height or Low profile 2 Half length Full height or Low profile x8
rNDC Integrated Slot None 1 None rNDC x8
Integrated Slot None 1 None rNDC x1
Integrated Slot None 1 None rNDC x4
10 Gb NICs Intel 2,6 Full height or Low profile 2 Half Length Full height or Low profile x8
10 Gb NICs Intel 3,4 Low profile 2 Half Length Low profile x8
10 Gb NICs Intel 2,6 Full Height 2 Half Length Full Height x8
10 Gb NICs Broadcom 2,3,4,6 Full height, Low profile 4 Half length Low profile x8
Non-RAID 3,4,2,6 Full Height or Low Profile 4 Half Length Full Height x8
25G NICs Mellanox 2,6 Full Height 2 Half Length Full Height x8
25G NICs Mellanox 3,4 Low Profile 2 Half Length Low Profile x8
100G NICs Intel 3,4 Low Profile 2 Half Length Low Profile x8
100G NICs Intel 2,6 Full Height 2 Half Length Full Height x8
100G NICs Broadcom 3,4 Low Profile 2 Half Length Low Profile x8
100G NICs Broadcom 2,6 Full Height 2 Half Length Full Height x8
PERC-H840 (External Raid) 2,6,3,4 Full Height or Low Profile 4 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
HBA355e Dell design 3, 4, 2, 6 Full Height or Low Profile 2 Half Length Low Profile x8
100G NICs Broadcom 3, 4 Low Profile 2 Half Length Low Profile x16
100G NICs Broadcom 2, 6 Full Height 2 Half Length Full Height x16
100G NICs Intel 3, 4 Low Profile 2 Half Length Low Profile x16
100G NICs Intel 2, 6 Full Height 2 Half Length Full Height x16
Table 2. x8 PCIe riser 1 + Null riser configurationThis table shows the x8 PCIe riser 1 + Null riser configuration details.
Card type Slot priority Riser height Maximum number of cards supported Card height Maximum PCIe width supported
PERC10/11 1,2 Full height 2 Low profile x8
1 Full height 1 Low profile x8
Infiniband HCA EDR 3,4 Low profile 2 Low profile X16
100G NICs 3,4 Low profile 2 Low profile X16
Omni-Path HFI 3,4 Low profile 2 Low profile x16
BOSS 1,2 Full height 1 Full height x4
1,2 Full height 1 Full height x8
3,4 Low profile 1 Low profile x4
3,4 Low profile 1 Low profile x8
External RAID 3,4 Low profile 2 Low profile x8
1,2 Full height 2 Full height x8
Infiniband HCA FDR 3,4 Low profile 2 Low profile x8
40Gb NICs 1,2 Full height 2 Full height x8
3,4 Low profile 2 Low profile x8
FC32 HBA (QLogic) 1,2 Full height 2 Full height x8
3,4 Low profile 2 Low profile x8
25G NICs 3,4 Low profile 2 Low profile x8
1,2 Full height 2 Full height x8
FC16 HBA 1,2 Full height 2 Full height x8
3,4 Low profile 2 Low profile x8
10Gb NICs 3,4 Low profile 2 Low profile x8
1,2 Full height 2 Full height x8
3,4 Low profile 2 Low profile x4
1,2 Full height 2 Full height x4
FC8 HBA 3,4 Low profile 2 Low profile x8
1,2 Full height 2 Full height x8
1Gb NICs 1,2 Full height 2 Full height x1
3,4 Low profile 2 Low profile x1
1,2 Full height 2 Full height x4
3,4 Low profile 2 Low profile x4
Non-RAID 3,4 Low profile 2 Low profile x8
1,2 Full height 2 Full height x8
NVMe PCIe SSD 1,2,3,4 Full height or Low profile 2 Full height or Low profile x8
rNDC Integrated Slot None 1 rNDC x8
Integrated Slot None 1 rNDC x1
Integrated Slot None 1 rNDC x4
FC16 HBA (Emulex) 1,3,4,2 Full height, Low profile 4 Half length x8
FC32 HBA (Emulex) 1,2 Full Height 2 Full Height x8
FC32 HBA (Emulex) 3,4 Low profile 2 Low profile x8
25 G NICs (Intel) 1,2 Full Height 2 Full Height x8
25 G NICs(Broadcom) 1,2 Full Height 2 Full Height x8
25 G NICs (Mellanox) 1,2 Full Height 2 Full Height x8
25 G NICs (Mellanox) 3,4 Low Profile 2 Low Profile x8
10 Gb NICs 3,4 Low Profile 2 Low Profile x8
10 Gb NICs 1,2 Full Height 2 Full Height x8
10 Gb NICs (Broadcom) 1,3,4,2 Full height, Low profile 4 Half length x8
Non-RAID 3,4 Low Profile 2 Low Profile x8
Non-RAID 1,2 Full Height 2 Full Height x8
Non-RAID 1,2,3,4 Full Height or Low Profile 4 Full Height x8
100G NICs 3,4 Low Profile 2 Low Profile x8
External RAID 1,2 Full Height 2 Full Height x8
External RAID 1,2,3,4 Full Height or Low Profile 4 Low Profile x8
HBA355e 1, 2, 3, 4 Full Height or Low Profile 2 Low Profile x8
Table 3. x8 PCIe riser 1 + x8 PCIe riser 2 configurationThis table shows the x8 PCIe riser 1 + x8 PCIe riser 2 configuration details.
Card type Slot priority Riser height Maximum number of cards supported Card length Card height Maximum PCIe width supported
25G NICs Intel 1,2,5,6 Full height 4 Half length Full height x8
3,4 Low profile 2 Half length Low profile x8
PERC10 1,2 Full height 2 Half length Low profile x8
1 Full height 1 Half length Low profile x8
PERC 11 3,4 Full height 2 Half length Low profile x8
3,4 Full height 1 Half length Low profile x8
Infiniband HCA EDR 3,4 Low profile 2 Half length Low profile X16
100G NICs 3,4 Low profile 2 Half length Low profile X16
Omni-Path HFI 3,4 Low profile 2 Half length Low profile x16
BOSS 1,2,5,6 Full height 1 Half length Full height x4
1,2,5,6 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 3,4 Low profile 2 Half length Low profile x8
1,2,5,6 Full height 2 Half length Full height x8
Infiniband HCA FDR 3,4 Low profile 2 Half length Low profile x8
40Gb NICs 1,2,5,6 Full height 4 Half length Full height x8
3,4 Low profile 2 Half length Low profile x8
FC32 HBA (QLogic, Emulex) 1,2,5,6 Full height 4 Half length Full height x8
3,4 Low profile 2 Half length Low profile x8
25G NICs 3,4 Low profile 2 Half length Low profile x8
1,2,5,6 Full height 4 Half length Full height x8
FC16 HBA 1,2,5,6 Full height 4 Half length Full height x8
3,4 Low profile 2 Half length Low profile x8
10Gb NICs 3,4 Low profile 2 Half length Low profile x8
1,2,5,6 Full height 4 Half length Full height x8
3,4 Low profile 2 Half length Low profile x4
1,2,5,6 Full height 4 Half length Full height x4
FC8 HBA 3,4 Low profile 2 Half length Low profile x8
1,2,5,6 Full height 4 Half length Full height x8
1Gb NICs 1,2,5,6 Full height 4 Half length Full height x1
3,4 Low profile 2 Half length Low profile x1
1,2,5,6 Full height 4 Half length Full height x4
3,4 Low profile 2 Half length Low profile x4
Non-RAID 3,4 Low profile 2 Half length Low profile x8
1,2,5,6 Full height 4 Half length Full height x8
NVMe PCIe SSD 1,2,5,6,3,4 Full height or Low profile 2 Half length Full height or Low profile x8
rNDC Integrated Slot None 1 None rNDC x8
Integrated Slot None 1 None rNDC x1
Integrated Slot None 1 None rNDC x4
100G NICs Intel Low profile 2 Half length Low profile x16
100G NICs Broadcom Low profile 2 Half length Low profile x16
External RAID 3,4 Low Profile 2 Half length Low profile x8
External RAID 1,2,5,6 Full Height 2 Half length Full Height x8
External RAID 1,2,5,6,3,4 Full Height or Low Profile 6 Half length Full Height or Low profile x8
FC16 HBA (Emulex) 1,2,3,4,5,6 Full height, Low profile 6 Half length Low profile x8
10 Gb NICs (Broadcom) 1,2,3,4,5,6 Full height, Low profile 6 Half length Low profile x8
Non-RAID 3,4 Low Profile 2 HL Low Profile x8
Non-RAID 3,4 Low Profile 2 HL Low Profile x8
Non-RAID 1,2,5,6 Full Height 4 HL Full Height x8
Non-RAID 1,2,5,6,3,4 Full Height or Low Profile 6 HL Full Height x8
HBA355e 1, 2, 5, 6, 3, 4 Full Height or Low Profile 2 Half length Low Profile x8

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