The
PowerEdgeR940xa system supports up to 12 PCI express (PCIe) generation 3 expansion cards, that can be installed on the system board using expansion card risers.
Figure 1. PCIe slot numbering
The following table provides detailed information about the expansion card riser specifications:
Table 1. Expansion card riser specificationsThis table provides information about the expansion card riser configuration for
PowerEdgeR940xa system.
Number of processors
NVMe
GPU
Riser size
Slot size
Slot quantity
Available slots
Height
Length
4
NA
GPU Ready/Double wide accelerators capable
X16 PCIe Riser 1
X 16
2
2,4
FH
FL
X 8
1
5
FH
HL
X16 PCIe Riser 2
X 16
2
9,11
FH
FL
X 8
1
12
FH
HL
NA
Non-GPU/Single wide FPGA
X8 PCIe Riser 1
X 8
5
1,2,3,4,5
FH
HL
X8 PCIe Riser 2
X 8
5
8,9,10,11,12
FH
HL
Front NVMe
GPU Ready/Double wide accelerators capable
X16 PCIe Riser 1
X 16
2
2,4
FH
FL
X16 PCIe Riser 2
X 16
2
9,11
FH
FL
Front NVMe
Non-GPU/Single wide FPGA
X8 PCIe Riser 1
X 8
4
1,2,3,4
FH
HL
X8 PCIe Riser 2
X 8
4
8,9,10,11
FH
HL
2
NA
GPU Ready/Double wide accelerators capable
X16 PCIe Riser 1
X 16
1
4
FH
FL
X16 PCIe Riser 2
X 16
1
11
FH
FL
NA
Non-GPU/Single wide FPGA
X8 PCIe Riser 1
X 8
2
3,4
FH
HL
X8 PCIe Riser 2
X 8
2
10,11
FH
HL
NOTE Use double-wide accelerator capable for installation or removal of Xilinx card.
Table 2. Riser configuration (X16PCIe Riser 1+X16 PCIe Riser 2) in a dual processor configurationThe table below describes the riser configuration (X16PCIe Riser 1+X16 PCIe Riser 2) in a dual processor configuration:
Card Type
Slot Priority
Maximum number of Cards
Intel 25G NICs
11,4
2
Intel 25G NICs
6,7
2
Nvidia GPU
4,11
2
Intel FPGA
11,4
2
Xilinx FPGA
NOTE Use double-wide accelerator capable for installation or removal of Xilinx card.
11,4
2
Dell design PERC10/11
7
1
Mellanox Infiniband HCA EDR
6,7
2
Mellanox Infiniband HCA EDR
11,4
2
Mellanox 100G NICs
6,7
2
Mellanox 100G NICs
11,4
2
INTEL Omni-Path HFI
6,7
2
INTEL Omni-Path HFI
11,4
2
Dell design BOSS
11,4
1
Dell design BOSS
6,7
1
Dell design External RAID
6,7
2
Dell design External RAID
11,4
2
Mellanox Infiniband HCA FDR
6,7
2
INTEL 40Gb NICs
11,4
2
INTEL 40Gb NICs
6,7
2
Mellanox 40G NICs
6,7
2
Mellanox 40G NICs
11,4
2
Emulex FC32 HBA
11,4
2
Emulex FC32 HBA
6,7
2
Qlogic FC32 HBA
11,4
2
Qlogic FC32 HBA
6,7
2
Broadcom 25G NICs
6,7
2
Broadcom 25G NICs
11,4
2
INTEL 25Gb NICs
11,4
2
INTEL 25Gb NICs
6,7
2
Mellanox 25G NICs
11,4
2
Mellanox 25G NICs
6,7
2
Qlogic 25G NICs
11,4
2
Qlogic 25G NICs
6,7
2
Emulex FC16 HBA
11,4
2
Emulex FC16 HBA
6,7
2
Emulex FC16 HBA (FH, LP)
11,6,7,4
4
Qlogic FC16 HBA
11,4
2
Qlogic FC16 HBA
6,7
2
Broadcom 10Gb NICs
6,7
2
Broadcom 10Gb NICs
11,4
2
Broadcom 10Gb NICs (FH, LP)
11,6,7,4
4
INTEL 10Gb NICs
6,7
2
INTEL 10Gb NICs
11,4
2
Mellanox 10Gb NICs
6,7
2
Mellanox 10Gb NICs
11,4
2
Qlogic 10Gb NICs
11,4
2
Qlogic 10Gb NICs
6,7
2
Solarflare 10Gb NICs
11,4
2
Solarflare 10Gb NICs
6,7
2
Emulex FC8 HBA
6,7
2
Emulex FC8 HBA
11,4
2
Qlogic FC8 HBA
6,7
2
Qlogic FC8 HBA
11,4
2
Broadcom 1Gb NICs
11,4
2
Broadcom 1Gb NICs
6,7
2
INTEL 1Gb NICs
6,7
2
INTEL 1Gb NICs
11,4
2
Dell design Non-RAID
6,7
2
Dell design Non-RAID
11,4
2
Dell design NVMe PCIe SSD
6,7,11,4
4
INTEL rNDC
Integrated Slot
1
Broadcom rNDC
Integrated Slot
1
Mellanox rNDC
Integrated Slot
1
Qlogic rNDC
Integrated Slot
1
GPU
4,11
2
100G NICs
6,7
2
100G NICs
11,4
2
External RAID
6,7
2
External RAID
11,4
2
External RAID
11,4,6,7
4
FC32 HBA
11,4
2
FC32 HBA
6,7
2
25G NICs
11,4
2
25G NICs
6,7
2
10Gb NICs
6,7
2
10Gb NICs
11,4
2
Non-RAID
6,7
2
Non-RAID
11,4
2
Non-RAID
11,4,6,7
4
HBA355e
11, 4, 6, 7
2
Table 3. Riser configuration (X8PCIe Riser 1+X8 PCIe Riser 2) in a dual processor configurationThe table below describes the riser configuration (X8PCIe Riser 1+X8 PCIe Riser 2) in a dual processor configuration:
Card Type
Slot Priority
Maximum number of Cards
Intel 25G NICs
3,4,10,11
4
Intel 25G NICs
6,7
2
Dell design PERC10
4
1
Dell design PERC11
7
1
Intel FPGA
3,4,10,11
4
Mellanox Infiniband HCA EDR
6,7
2
Mellanox 100G NICs
6,7
2
INTEL Omni-Path HFI
6,7
2
Dell design BOSS
3,4,10,11
1
Dell design BOSS
6,7
1
Dell design External RAID
6,7
2
Dell design External RAID
3,4,10,11
2
Mellanox Infiniband HCA FDR
6,7
2
INTEL 40Gb NICs
3,4,10,11
4
INTEL 40Gb NICs
6,7
2
Mellanox 40G NICs
6,7
2
Mellanox 40G NICs
3,4,10,11
4
Emulex FC32 HBA
3,4,10,11
4
Emulex FC32 HBA
6,7
2
Qlogic FC32 HBA
3,4,10,11
4
Qlogic FC32 HBA
6,7
2
Broadcom 25G NICs
6,7
2
Broadcom 25G NICs
3,4,10,11
4
INTEL 25Gb NICs
3,4,10,11
4
INTEL 25Gb NICs
6,7
2
Mellanox 25G NICs
3,4,10,11
4
Mellanox 25G NICs
6,7
2
Qlogic 25G NICs
3,4,10,11
4
Qlogic 25G NICs
6,7
2
Emulex FC16 HBA
3,4,10,11
4
Emulex FC16 HBA
6,7
2
Emulex FC16 HBA (FH, LP)
3,4,6,7,10,11
6
Qlogic FC16 HBA
3,4,10,11
4
Qlogic FC16 HBA
6,7
2
Broadcom 10Gb NICs
6,7
2
Broadcom 10Gb NICs
3,4,10,11
4
Broadcom 10Gb NICs (FH, LP)
3,4,6,7,10,11
6
INTEL 10Gb NICs
6,7
2
INTEL 10Gb NICs
3,4,10,11
4
Mellanox 10Gb NICs
6,7
2
Mellanox 10Gb NICs
3,4,10,11
4
Qlogic 10Gb NICs
3,4,10,11
4
Qlogic 10Gb NICs
6,7
2
Solarflare 10Gb NICs
3,4,10,11
4
Solarflare 10Gb NICs
6,7
2
Emulex FC8 HBA
6,7
2
Emulex FC8 HBA
3,4,10,11
4
Qlogic FC8 HBA
6,7
2
Qlogic FC8 HBA
3,4,10,11
4
Broadcom 1Gb NICs
3,4,10,11
4
Broadcom 1Gb NICs
6,7
2
INTEL 1Gb NICs
6,7
2
INTEL 1Gb NICs
3,4,10,11
4
Dell design Non-RAID
6,7
2
Dell design Non-RAID
3,4,10,11
4
Dell design NVMe PCIe SSD
3,4,10,11,6,7
6
INTEL rNDC
Integrated Slot
1
Broadcom rNDC
Integrated Slot
1
Mellanox rNDC
Integrated Slot
1
Qlogic rNDC
Integrated Slot
1
100G NICs
6,7
2
External RAID
6,7
2
External RAID
3,4,10,11
2
External RAID
3,4,10,11,6,7
4
FC32 HBA
3,4,10,11
4
FC32 HBA
6,7
2
25G NICs
3,4,10,11
4
25G NICs
6,7
2
10Gb NICs
3,4,10,11
4
10Gb NICs
6,7
2
Non-RAID
6,7
2
Non-RAID
3,4,10,11
4
Non-RAID
3,4,10,11,6,7
6
HBA355e
3, 4, 10, 11, 6, 7
2
Intel 100G NICs
6, 7
2
Table 4. Riser configuration (X16PCIe Riser 1+X16 PCIe Riser 2) in a quad processor configurationThe table below describes the riser configuration (X16PCIe Riser 1+X16 PCIe Riser 2) in a quad processor configuration:
Card Type
Slot Priority
Maximum number of Cards
Intel 25G NICs
5,12,9,11,2,4
6
Intel 25G NICs
6,7
2
Nvidia GPU
4,2,11,9
4
Intel FPGA
9,11,2,4
4
Xilinx FPGA
NOTE Use double-wide accelerator capable for installation or removal of Xilinx card.
9,11,2,4
4
Dell design PERC10
5
1
Dell design PERC11
7
1
Mellanox Infiniband HCA EDR
6,7
2
Mellanox Infiniband HCA EDR
9,11,2,4
4
Mellanox 100G NICs
6,7
2
Mellanox 100G NICs
9,11,2,4
4
INTEL Omni-Path HFI
6,7
2
INTEL Omni-Path HFI
9,11,2,4
4
Dell design BOSS
5,12,9,11,2,4
1
Dell design BOSS
6,7
1
Dell design External RAID
6,7
2
Dell design External RAID
5,12,9,11,2,4
2
Mellanox Infiniband HCA FDR
6,7
2
INTEL 40Gb NICs
5,12,9,11,2,4
6
INTEL 40Gb NICs
6,7
2
Mellanox 40G NICs
6,7
2
Mellanox 40G NICs
5,12,9,11,2,4
6
Emulex FC32 HBA
5,12,9,11,2,4
6
Emulex FC32 HBA
6,7
2
Qlogic FC32 HBA
5,12,9,11,2,4
6
Qlogic FC32 HBA
6,7
2
Broadcom 25G NICs
6,7
2
Broadcom 25G NICs
5,12,9,11,2,4
6
INTEL 25Gb NICs
5,12,9,11,2,4
6
INTEL 25Gb NICs
6,7
2
Mellanox 25G NICs
5,12,9,11,2,4
6
Mellanox 25G NICs
6,7
2
Qlogic 25G NICs
5,12,9,11,2,4
6
Qlogic 25G NICs
6,7
2
Emulex FC16 HBA
5,12,9,11,2,4
6
Emulex FC16 HBA
6,7
2
Emulex FC16 HBA (FH, LP)
5,12,9,6,7,11,2,4
8
Qlogic FC16 HBA
5,12,9,11,2,4
6
Qlogic FC16 HBA
6,7
2
Broadcom 10Gb NICs
6,7
2
Broadcom 10Gb NICs
5,12,9,11,2,4
6
Broadcom 10Gb NICs (FH, LP)
5,12,9,6,7,11,2,4
8
INTEL 10Gb NICs
6,7
2
INTEL 10Gb NICs
5,12,9,11,2,4
6
Mellanox 10Gb NICs
6,7
2
Mellanox 10Gb NICs
5,12,9,11,2,4
6
Qlogic 10Gb NICs
5,12,9,11,2,4
6
Qlogic 10Gb NICs
6,7
2
Solarflare 10Gb NICs
5,12,9,11,2,4
6
Solarflare 10Gb NICs
6,7
2
Emulex FC8 HBA
6,7
2
Emulex FC8 HBA
5,12,9,11,2,4
6
Qlogic FC8 HBA
6,7
2
Qlogic FC8 HBA
5,12,9,11,2,4
6
Broadcom 1Gb NICs
5,12,9,11,2,4
6
Broadcom 1Gb NICs
6,7
2
INTEL 1Gb NICs
6,7
2
INTEL 1Gb NICs
5,12,9,11,2,4
6
Dell design Non-RAID
6,7
2
Dell design Non-RAID
5,12,9,11,2,4
6
Dell design NVMe PCIe SSD
5,12,6,7,9,11,2,4
8
INTEL rNDC
Integrated Slot
1
Broadcom rNDC
Integrated Slot
1
Mellanox rNDC
Integrated Slot
1
Qlogic rNDC
Integrated Slot
1
GPU
4,2,11,9
4
100G NICs
6,7
2
100G NICs
9,11,2,4
4
External RAID
6,7
2
External RAID
5,12,9,11,2,4
2
External RAID
5,12,9,11,2,4,6,7
4
FC32 HBA
5,12,9,11,2,4
6
FC32 HBA
6,7
2
25G NICs
5,12,9,11,2,4
6
10Gb NICs
6,7
2
10Gb NICs
5,12,9,11,2,4
6
10Gb NICs
6,7
2
Non-RAID
6,7
2
Non-RAID
5,12,9,11,2,4
6
Non-RAID
5,12,9,11,2,4,6,7
8
HBA355e
5, 12, 9, 11, 2, 4, 6, 7
2
Table 5. Riser configuration (X8PCIe Riser 1+X8 PCIe Riser 2) in a quad processor configurationThe table below describes the riser configuration (X8PCIe Riser 1+X8 PCIe Riser 2) in a quad processor configuration:
Card Type
Slot Priority
Maximum number of Cards
Intel 25G NICs
1,2,3,4,5,8,9,10,11,12
10
Intel 25G NICs
6,7
2
Dell design PERC10
5
1
Dell design PERC11
7
1
Intel FPGA
1,2,3,4,8,9,10,11
8
Mellanox Infiniband HCA EDR
6,7
2
Mellanox 100G NICs
6,7
2
INTEL Omni-Path HFI
6,7
2
Dell design BOSS
1,2,3,4,5,8,9,10,11,12
1
Dell design BOSS
6,7
1
Dell design External RAID
6,7
2
Dell design External RAID
1,2,3,4,5,8,9,10,11,12
2
Mellanox Infiniband HCA FDR
6,7
2
INTEL 40Gb NICs
1,2,3,4,5,8,9,10,11,12
10
INTEL 40Gb NICs
6,7
2
Mellanox 40G NICs
6,7
2
Mellanox 40G NICs
1,2,3,4,5,8,9,10,11,12
10
Emulex FC32 HBA
1,2,3,4,5,8,9,10,11,12
10
Emulex FC32 HBA
6,7
2
Qlogic FC32 HBA
1,2,3,4,5,8,9,10,11,12
10
Qlogic FC32 HBA
6,7
2
Broadcom 25G NICs
6,7
2
Broadcom 25G NICs
1,2,3,4,5,8,9,10,11,12
10
INTEL 25Gb NICs
1,2,3,4,5,8,9,10,11,12
10
INTEL 25Gb NICs
6,7
2
Mellanox 25G NICs
1,2,3,4,5,8,9,10,11,12
10
Mellanox 25G NICs
6,7
2
Qlogic 25G NICs
1,2,3,4,5,8,9,10,11,12
10
Qlogic 25G NICs
6,7
2
Emulex FC16 HBA
1,2,3,4,5,8,9,10,11,12
10
Emulex FC16 HBA
6,7
2
Emulex FC16 HBA (FH, LP)
1,2,3,4,5,6,7,8,9,10,11,12
12
Qlogic FC16 HBA
1,2,3,4,5,8,9,10,11,12
10
Qlogic FC16 HBA
6,7
2
Broadcom 10Gb NICs
6,7
2
Broadcom 10Gb NICs
1,2,3,4,5,8,9,10,11,12
10
Broadcom 10Gb NICs (FH, LP)
1,2,3,4,5,6,7,8,9,10,11,12
12
INTEL 10Gb NICs
6,7
2
INTEL 10Gb NICs
1,2,3,4,5,8,9,10,11,12
10
Mellanox 10Gb NICs
6,7
2
Mellanox 10Gb NICs
1,2,3,4,5,8,9,10,11,12
10
Qlogic 10Gb NICs
1,2,3,4,5,8,9,10,11,12
10
Qlogic 10Gb NICs
6,7
2
Solarflare 10Gb NICs
1,2,3,4,5,8,9,10,11,12
10
Solarflare 10Gb NICs
6,7
2
Emulex FC8 HBA
6,7
2
Emulex FC8 HBA
1,2,3,4,5,8,9,10,11,12
10
Qlogic FC8 HBA
6,7
2
Qlogic FC8 HBA
1,2,3,4,5,8,9,10,11,12
10
Broadcom 1Gb NICs
1,2,3,4,5,8,9,10,11,12
10
Broadcom 1Gb NICs
6,7
2
INTEL 1Gb NICs
6,7
2
INTEL 1Gb NICs
1,2,3,4,5,8,9,10,11,12
10
Dell design Non-RAID
6,7
2
Dell design Non-RAID
1,2,3,4,5,8,9,10,11,12
10
Dell design NVMe PCIe SSD
1,2,3,4,5,8,9,10,11,12,6,7
12
INTEL rNDC
Integrated Slot
1
Broadcom rNDC
Integrated Slot
1
Mellanox rNDC
Integrated Slot
1
Qlogic rNDC
Integrated Slot
1
100G NICs
6,7
2
External RAID
6,7
2
External RAID
1,2,3,4,5,8,9,10,11,12
2
External RAID
1,2,3,4,5,8,9,10,11,12,6,7
4
FC32 HBA
1,2,3,4,5,8,9,10,11,12
10
FC32 HBA
6,7
2
25G NICs
1,2,3,4,5,8,9,10,11,12
10
25G NICs
6,7
2
10Gb NICs
6,7
2
10Gb NICs
1,2,3,4,5,8,9,10,11,12
10
Non-RAID
6,7
2
Non-RAID
1,2,3,4,5,8,9,10,11,12
10
Non-RAID
1,2,3,4,5,8,9,10,11,12,6,7
12
HBA355e
1, 2, 3, 4, 5, 8, 9, 10, 11, 12, 6, 7
2
Table 6. Riser configuration (X16PCIe Riser 1+X16 PCIe Riser 2)with NVME in a quad processor configurationThe table below describes the riser configuration (X16PCIe Riser 1+X16 PCIe Riser 2)with NVME in a quad processor configuration:
Card Type
Slot Priority
Maximum number of Cards
Intel 25G NICs
9,11,2,4
4
Intel 25G NICs
6,7
2
Nvidia GPU
4,2,11,9
4
Intel FPGA
9,11,2,4
4
Xilinx FPGA
NOTE Use double-wide accelerator capable for installation or removal of Xilinx card.
9,11,2,4
4
Dell design PERC10/11
7
1
Mellanox Infiniband HCA EDR
6,7
2
Mellanox Infiniband HCA EDR
NOTE Mellanox CX6 card only supports install in slot 11 and slot 4 for quad processors configuration.
9,11,2,4
4
Mellanox 100G NICs
6,7
2
Mellanox 100G NICs
9,11,2,4
4
INTEL Omni-Path HFI
6,7
2
INTEL Omni-Path HFI
9,11,2,4
4
Dell design BOSS
9,11,2,4
1
Dell design BOSS
6,7
1
Dell design External RAID
6,7
2
Dell design External RAID
9,11,2,4
2
Mellanox Infiniband HCA FDR
6,7
2
INTEL 40Gb NICs
9,11,2,4
4
INTEL 40Gb NICs
6,7
2
Mellanox 40G NICs
6,7
2
Mellanox 40G NICs
9,11,2,4
4
Emulex FC32 HBA
9,11,2,4
4
Emulex FC32 HBA
6,7
2
Qlogic FC32 HBA
9,11,2,4
4
Qlogic FC32 HBA
6,7
2
Broadcom 25G NICs
6,7
2
Broadcom 25G NICs
9,11,2,4
4
INTEL 25Gb NICs
9,11,2,4
4
INTEL 25Gb NICs
6,7
2
Mellanox 25G NICs
9,11,2,4
4
Mellanox 25G NICs
6,7
2
Qlogic 25G NICs
9,11,2,4
4
Qlogic 25G NICs
6,7
2
Emulex FC16 HBA
9,11,2,4
4
Emulex FC16 HBA
6,7
2
Emulex FC16 HBA (FH, LP)
9,11,6,7,2,4
6
Qlogic FC16 HBA
9,11,2,4
4
Qlogic FC16 HBA
6,7
2
Broadcom 10Gb NICs
6,7
2
Broadcom 10Gb NICs
9,11,2,4
4
Broadcom 10Gb NICs (FH, LP)
9,11,6,7,2,4
6
INTEL 10Gb NICs
6,7
2
INTEL 10Gb NICs
9,11,2,4
4
Mellanox 10Gb NICs
6,7
2
Mellanox 10Gb NICs
9,11,2,4
4
Qlogic 10Gb NICs
9,11,2,4
4
Qlogic 10Gb NICs
6,7
2
Solarflare 10Gb NICs
9,11,2,4
4
Solarflare 10Gb NICs
6,7
2
Emulex FC8 HBA
6,7
2
Emulex FC8 HBA
9,11,2,4
4
Qlogic FC8 HBA
6,7
2
Qlogic FC8 HBA
9,11,2,4
4
Broadcom 1Gb NICs
9,11,2,4
4
Broadcom 1Gb NICs
6,7
2
INTEL 1Gb NICs
6,7
2
INTEL 1Gb NICs
9,11,2,4
4
Dell design Non-RAID
6,7
2
Dell design Non-RAID
9,11,2,4
4
Dell design NVMe PCIe SSD
6,7,9,11,2,4
6
INTEL rNDC
Integrated Slot
1
Broadcom rNDC
Integrated Slot
1
Mellanox rNDC
Integrated Slot
1
Qlogic rNDC
Integrated Slot
1
GPU
4,2,11,9
4
100G NICs
6,7
2
100G NICs
9,11,2,4
4
External RAID
6,7
2
External RAID
9,11,2,4
2
External RAID
9,11,2,4,6,7
4
FC32 HBA
9,11,2,4
4
FC32 HBA
6,7
2
25G NICs
9,11,2,4
4
25G NICs
6,7
2
10Gb NICs
6,7
2
10Gb NICs
9,11,2,4
4
Non-RAID
6,7
2
Non-RAID
9,11,2,4
4
Non-RAID
9,11,2,4,6,7
6
HBA355e
9, 11, 2, 4, 6, 7
2
Table 7. Riser configuration (X8PCIe Riser 1+X8 PCIe Riser 2)with NVME in a quad processor configurationThe table below describes the riser configuration (X8PCIe Riser 1+X8 PCIe Riser 2)with NVME in a quad processor configuration:
