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Chapter 2: Hardware installaon | 13

B450GT3

2.5 Expansion Slots

PEX16_1: PCI-Express Gen3 x16 Slot (x16 speed)

(When using APU, the bandwidth is x8 speed)

• PCI-Express 3.0 compliant.

• Theorecal maximum bandwidth using two slots simultaneously is 16GB/s for each slot,

a total of 32GB/s.

PEX16_SB_1: PCI-Express Gen2 x16 Slot (x4 speed)

• PCI-Express 2.0 compliant.

• Theorecal maximum bandwidth using two slots simultaneously is 2GB/s for each slot, a

total of 4GB/s.

PEX1_1/1_2: PCI-Express Gen2 x1 Slot

• PCI-Express 2.0 compliant.

• Data transfer bandwidth up to 500MB/s per direcon; 1GB/s in total.

PCIE-M2_1: M.2 (Key M) Slot

(The bandwidth is depended on CPU, Ryzen is 32Gb/s ; APU is 16Gb/s)

• The M.2 slot supports M.2 Type 2242/2260/2280 SSD module. When installing M.2 SSD

module, please place the screw and hex pillar to correct posion.

• Support M.2 SATA III (6.0 Gb/s) module and M.2 PCI Express module up to Gen3 x4

(32Gb/s).

Note

 WhenPEX1_1/PEX1_2slotisoccupied,thePEX16_SB_1connectorisx2speed.



WhenPCIE-M2_1slotisoccupied,theSATA3_1/SATA3_2connectorwillbedisabled.

Install an Expansion Card

You can install your expansion card by following steps:

• Read the related expansion card’s instrucon document before install the expansion

card into the computer.

• Remove your computer’s chassis cover, screws and slot bracket from the computer.

• Place a card in the expansion slot and press down on the card unl it is completely

seated in the slot.

• Secure the card’s metal bracket to the chassis back panel with a screw.

• Replace your computer’s chassis cover.

• Power on the computer, if necessary, change BIOS sengs for the expansion card.

• Install related driver for the expansion card.

Biostar B450GT3 User Manual

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