Expansion Slots - Biostar Z490GTA Manual

Memory Capacity
DIMM Socket Location
DIMMA0
DIMMA1
DIMMB0
DIMMB1
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

PCIEX16_1/ PCIEX16_2: PCI-Express Gen3 x16 Slots
• PCI-Express 3.0 compliant.
• Theoretical maximum bandwidth using two slots simultaneously is 16GB/s for each slot,
a total of 32GB/s.
PCIEX1_1/ PCIEX1_2/ PCIEX1_3: PCI-Express Gen3 x1 Slots
• PCI-Express 3.0 compliant.
• Data transfer bandwidth up to 1GB/s per direction; 2GB/s in total.
M2M_32G_1/ M2M_32G_2: M.2 (M Key) Socket
• 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. Supports NVMe &
AHCI SSD.
• Supports M.2 SATA III (6Gb/s) module and M.2 PCI Express module up to
Gen3 x4 (32Gb/s).
• Supports PCIe RAID 0, 1 & Intel® Rapid Storage Technology, Intel® Optane Technology.
12 | Chapter 2: Hardware installation
DDR4 Module
4GB/8GB/16GB/32GB
4GB/8GB/16GB/32GB
4GB/8GB/16GB/32GB
4GB/8GB/16GB/32GB
DIMMA0 DIMMA1
O X
X O
O O
Total Memory Size
Max is 128GB.
DIMMB0 DIMMB1
O X
X O
O O