MSI X99A SLI User Manual - Page 29

PCI_E1~5: PCIe Expansion Slots, PCIe x16 slots bandwidth table, for 40-PCIe lanes CPU

Page 29 highlights

BAT1 PCI_E1~5: PCIe Expansion Slots PCI_E1: PCIe 3.0 x16 PCI_E2: PCIe 2.0 x1 PCI_E3: PCIe 2.0 x1 PCI_E4: PCIe 3.0 x16 PCI_E5: PCIe 3.0 x8 Important y For a single PCIe x16 expansion card installation with optimum performance, using the PCI_E1 slot is recommended. y When adding or removing expansion cards, always turn off the power supply and 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 x16 slots bandwidth table for 40-PCIe lanes CPU Single-card PCI_E1 x16 ─ ─ PCI_E4 ─ x16 ─ PCI_E5 ─ ─ x8 (─: N/A) for 28-PCIe lanes CPU PCI_E1 PCI_E4 PCI_E5 (─: N/A) Single-card x16 ─ ─ ─ x8 ─ ─ ─ x8 2-Way 3-Way x16 ─ x8 x8 x16 x16 ─ x16 ─ x8 x8 x8 2-Way 3-Way x16 ─ x8 x8 x8 x8 ─ x8 ─ x8 x8 x8 Overview of Components 29

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29
Overview of Components
BAT1
PCI_E1~5: PCIe Expansion Slots
PCI_E1
: PCIe 3.0 x16
PCI_E2
: PCIe 2.0 x1
PCI_E3
: PCIe 2.0 x1
PCI_E4
: PCIe 3.0 x16
PCI_E5
: PCIe 3.0 x8
Important
y
For a single PCIe x16 expansion card installation with optimum performance, using
the
PCI_E1
slot is recommended.
y
When adding or removing expansion cards, always turn off the power supply and
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 x16 slots bandwidth table
for 40-PCIe lanes CPU
Single-card
2-Way
3-Way
PCI_E1
x16
x16
x8
x8
PCI_E4
x16
x16
x16
x16
PCI_E5
x8
x8
x8
x8
(
: N/A)
for 28-PCIe lanes CPU
Single-card
2-Way
3-Way
PCI_E1
x16
x16
x8
x8
PCI_E4
x8
x8
x8
x8
PCI_E5
x8
x8
x8
x8
(
: N/A)