MSI B450 TOMAHAWK MAX II

15
Overview of Components
BAT1
PCI_E1~5: PCIe Expansion Slots
PCI_E1
PCI_E2
PCI_E3
PCI_E4
PCI_E5

Important
 MSI
Gaming Series Graphics Card Bolster to support its weight to prevent deformation of
the slot.
 
the PCI_E1 slot is recommended.
 
unplug the power supply power cable from the power outlet. Read the expansion

changes.
 
PCIe bandwidth of Multiple graphics cards
Slot Single 2-Way

@3.0 x16*
or
@3.0 x8**
or
@3.0 x4***
@3.0 x16*
or
@3.0 x8**
or
@3.0 x4***
 2.0 x1 2.0 x1 Empty — —
 2.0 x1 Empty 2.0 x1 — —
 2.0 x2 2.0 x2 2.0 x2 2.0 x4 @2.0 x4
 2.0 x1 2.0 x1


**: for Ryzen™ with Radeon™ Vega Graphics and 2nd Gen AMD Ryzen™ with Radeon™
Graphics 
***: for Athlon™ with Radeon Vega Graphics processor)