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MSI PRO B840M-B

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MSI PRO B840M-B
Towards:home / office
Form Factor:micro-ATX
Socket:AM5
Chipset:AMD B840
BIOS:Ami
RAM slots:DDR5 2 sl
RAM form factor:DIMM
RAM clock:8000 MHz
Sound (channels):7.1
Connectors:HDMI, M.2
Power connector:24-pin
Processor power:8-pin
All specifications
Specifications PRO B840M-B
Main
Featuresfor home/office
SocketAM5
Form factormicro-ATX
Power phases10 / 7+2+1 /
Size (HxW)244x226 mm
Chipset
ChipsetAMD B840
BIOSAmi
UEFI BIOS
RAM
DDR52 slot(s)
Memory moduleDIMM
Operation mode2 channel
Max. clock frequency8000 MHz
Max. memory128 GB
EXPO support
Drive interface
SATA 3 (6Gbps)4
M.2 connector2
M.22xPCIe 4x
M.2 version2x4.0
Integrated RAID controller
Expansion slots
1x PCIe slots1 pcs
PCIe 16x slots1 pcs
PCIe support4.0
Steel PCIe connectors
Internal connections
TPM connector
USB-A 2.02 pcs
USB-A 5Gbps1 pcs
USB-C 5Gbps1 pcs
ARGB LED strip3
RGB LED strip1
Video outputs
D-Sub output (VGA)
HDMI output
HDMI versionv2.1
Integrated audio
AudiochipRealtek ALC897
Sound (channels)7.1
Network interfaces
LAN (RJ-45)2.5 Gbps
LAN ports1
LAN controllerRealtek 8125D
External connections
USB-A 2.02 pcs
USB-A 5Gbps4 pcs
BIOS FlashBack
Clear CMOS
Power connectors
Main power socket24-pin
CPU power8-pin
Fan power connectors3
CPU Fan 4-pin1
Chassis/Water Pump Fan 4-pin2
Official Websitemsi.com
Added to E-CatalogJune 2025
The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
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MSI PRO B840M-B AM5 AMD Motherboard

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MSI PRO B840M-B AM5 AMD Motherboard

EZ PCIe Clip II: Allows for easy removal of the graphics card by pressing the tail-like lock with one finger, even in the cra... moremped case spaces. Latest DDR5 Memory: A huge step of DDR performance enhancement with the latest DDR5 memory and MSI Memory Boost technology. Lightning Gen4 Solution: The latest Gen4 PCI-E and M.2 solution with up to 64GB/s bandwidth for maximum transfer speed. 2.5G Network Solution: Featuring premium 2.5G LAN to deliver better network experience. Frozr AI Cooling: Detect
Newegg.com
Delivery: in USA
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