Pci_E1~3: Pcie Expansion Slots; Sata1~4: Sata 6Gb/S Connectors - MSI B450M BAZOOKA Quick Start Manual

PCI_E1~3: PCIe Expansion Slots

* For Ryzen™ 1st and 2nd Generation processors
** For Ryzen™ with Radeon Vega Graphics processors
*** For Athlon™ with Radeon Vega Graphics processors
Important
If you install a large and heavy graphics card, you need to use a tool such as MSI
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Gaming Series Graphics Card Bolster to support its weight to prevent deformation of
the slot.
When adding or removing expansion cards, always turn off the power supply and
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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.

SATA1~4: SATA 6Gb/s Connectors

These connectors are SATA 6Gb/s interface ports. Each connector can connect to one
SATA device.
Important
Please do not fold the SATA cable at a 90-degree angle. Data loss may result during
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transmission otherwise.
SATA cables have identical plugs on either sides of the cable. However, it is
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recommended that the flat connector be connected to the motherboard for space
saving purposes.
PCI_E1: PCIe 3.0 x16*/ PCIe 3.0 x8**/ PCIe 3.0 x4***
PCI_E2: PCIe 2.0 x1
PCI_E3: PCIe 2.0 x1
SATA1
SATA2
SATA4
SATA3
Overview of Components
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