Expansion Slots - Biostar B450GT Manual

Dual Channel Memory Installation
Please refer to the following requirements to activate Dual Channel function:
Install memory module of the same density in pairs, shown in the table.
Dual Channel Status
Enabled
Enabled
Enabled
(O means memory installed, X means memory not installed.)
Note
» When installing more than one memory module, we recommend to use the same brand and
capacity memory on this motherboard.

2.5 Expansion Slots

PEX16_1: PCI-Express Gen3 x16 Slot (x16 lanes)
(When using APU, the bandwidth is x8 lanes)
• PCI-Express 3.0 compliant.
• Theoretical 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 lanes)
• PCI-Express 2.0 compliant.
• Theoretical maximum bandwidth using two slots simultaneously is 2GB/s for each slot, a
total of 4GB/s.
PEX1_1: PCI-Express Gen2 x1 Slot
• PCI-Express 2.0 compliant.
• Data transfer bandwidth up to 500MB/s per direction; 1GB/s in total.
M2_PCIE/ M2_SATA: M.2 (M Key) Slot
• 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 position.
• M2_PCIE (The bandwidth is depended on CPU, Ryzen is 32Gb/s ; APU is 16Gb/s):
Supports M.2 PCI Express module up to Gen3 x4 (32Gb/s) - NVMe/ AHCI SSD.
• M2_SATA: Supports M.2 SATA III (6Gb/s) module.
Note
» When M2_SATA slot is occupied, the SATA3 connector will be disabled.
12 | Chapter 2: Hardware installation
DIMMA1 DIMMA2
O X
X O
O O
DIMMB1 DIMMB2
O X
X O
O O