PCIe Slot
Processor Connection
Height
Length
Link Width
Slot Width
5 (Gen3)
Processor 2
Standard Height
Full Length
x4
x8
6 (Gen3)
Processor 2
Standard Height
Full Length
x16
x16
7 (Gen3)
Processor 2
Standard Height
Full Length
x8
x8
8 (Gen3)
Processor 2
Standard Height
Full Length
x16
x16
NOTE:
To use PCIe slots 4-8, both the processors must be installed.
NOTE:
The expansion-card slots are not hot-swappable.
Expansion card slot priority
The following table describes the installation order for installing expansion cards to ensure proper cooling and mechanical fit. The expansion
cards with the highest priority must be installed first by using the slot priority indicated.
NOTE:
To use PCIe slots 4, 5, 6, 7, and 8, both the processors must be installed.
NOTE:
The expansion card slots are not hot-swappable.
NOTE:
To use PCIe cards with external I/O in slots 1, 2, 3, right external fan must not be installed, and to use PCIe cards with
external I/O in slots 5, 6, 7, 8, left external fan must not be installed.
Table 40. Expansion card installation order
System Configuration
Card
Priority
Card Type
Slot Priority
Maximum
Allowed
1 or 2 CPU, no GPU (no
external fan)
1
Dell PowerEdge Express Flash (PCIe SSD) Bridge
1, 3
2
2
RAID (H330), RAID (H730P)
0
1
RAID (H740P)
0, 1
2
RAID (H840), BOSS
4, 7, 1, 6, 8
5
3
Intel OPA NIC
1, 6
3
Mellanox CX4 DP 100 Gb NICs*
8, 1, 6, 3
4
Mellanox CX4 SP 100 Gb NIC*
8
1
4
Intel 40 Gb NIC
4, 7, 1, 6, 8, 3
6
Mellanox DP 40 Gb NIC*
8, 4, 7, 1, 6
5
Mellanox SP 25 Gb NIC
4, 7, 1, 6, 8
5
Intel DP 25 Gb NIC, Qlogic DP 25 Gb NIC
4, 7, 1, 6
4
Broadcom DP 25 Gb NIC
4, 7, 1, 6, 8, 3
6
5
FC32 HBAs, FC16 HBAs
4, 7, 1, 6, 8
5
6
Intel QP 10 Gb Base-T NIC*
8
1
7
Intel DP 10 Gb Base-T NIC, Intel 4x 10 Gb SFP+ NIC,
Broadcom DP 10 Gb 57416 NIC, Qlogic DP 10 Gb SFP
V2 NIC, Mellanox DP 10 Gb SFP+ NIC
4, 7, 1, 6, 8
5
130
Installing and removing system components
Summary of Contents for PowerEdge T640
Page 23: ...Figure 16 Configuration and layout Dell EMC PowerEdge T640 overview 23 ...
Page 24: ...Figure 17 Electrical overview 24 Dell EMC PowerEdge T640 overview ...
Page 25: ...Figure 18 Memory information Dell EMC PowerEdge T640 overview 25 ...