PCI_E1~6: PCIe Expansion Slots
Important
For a single PCIe x16 expansion card installation with optimum performance, using
y
the PCI_E1 slot is recommended.
When adding or removing expansion cards, always turn off the power supply and
y
unplug the power supply power cable from the power outlet. Read the expansion
card' s documentation to check for any necessary additional hardware or software
changes
PCIe bandwidth tables
for 40 lanes CPUs
Graphics Card
Single
PCI_E1
@ 3.0 x16
─
PCI_E2
─
PCI_E3
─
PCI_E4
PCI_E5
2.0 x1
─
PCI_E6
─
U2_1
3.0 x4
M2_1(PCIe)
2.0 x2 3.0 x4 2.0 x2 3.0 x4 2.0 x2 3.0 x4
(@: graphics card slot, ─: empty slot, *: best combination)
for 28 lanes CPUs
Graphics Card
Single
PCI_E1
@ 3.0 x16
PCI_E2
PCI_E3
PCI_E4
PCI_E5
2.0 x1
PCI_E6
U2_1
3.0 x4
M2_1(PCIe)
2.0 x2
(@: graphics card slot, ─: empty slot, *: best combination)
2-Way*
2-Way
@ 3.0 x16
@ 3.0 x8
─
─
─
@ 3.0 x8
─
@ 3.0 x16
2.0 x1
2.0 x1
─
─
─
─
3.0 x4
3.0 x4
2-Way*
@ 3.0 x16
─
─
─
─
─
@ 3.0 x8
2.0 x1
─
─
─
─
3.0 x4
3.0 x4
2.0 x2
3.0 x4
PCI_E1: PCIe 3.0 x16
PCI_E2: PCIe 3.0 x8
PCI_E3: PCIe 3.0 x8
PCI_E4: PCIe 3.0 x16
PCI_E5: PCIe 2.0 x1
PCI_E6: PCIe 3.0 x4/ x8
3-Way*
3-Way
@ 3.0 x16
@ 3.0 x8
─
─
─
@ 3.0 x8
─
@ 3.0 x16
2.0 x1
2.0 x1
@ 3.0 x8
@ 3.0 x8
─
─
2.0 x2
2.0 x2
2-Way
3-Way
@ 3.0 x8
@ 3.0 x8
─
@ 3.0 x8
─
@ 3.0 x8
─
@ 3.0 x8
2.0 x1
2.0 x1
─
─
─
3.0 x4
3.0 x4
2.0 x2
3.0 x4
2.0 x2
Overview of Components
3-Way
4-Way
@ 3.0 x8
@ 3.0 x8
@ 3.0 x8
@ 3.0 x8
─
─
@ 3.0 x16
@ 3.0 x16
2.0 x1
2.0 x1
─
@ 3.0 x8
─
─
3.0 x4
2.0 x2 3.0 x4
2.0 x2
4-Way
@ 3.0 x8
@ 3.0 x8
─
@ 3.0 x8
2.0 x1
@ 3.0 x4
─
─
3.0 x4
2.0 x2
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