MSI PROB840MB B840M-B Gaming Desktop MotherboardAMD B840 Chipset Socket AM5 128 GB DDR5 SDRAM Maximum RAM Supported
Model #: PROB840MB Item #: MOTMSI840MBR
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MSI PROB840MB B840M-B Gaming Desktop MotherboardAMD B840 Chipset Socket AM5 128 GB DDR5 SDRAM Maximum RAM Supported

$129.99
General Information
Product TypeGaming Desktop Motherboard
Product SeriesPRO
Brand NameMSI
ManufacturerMSI
Product ModelB840M-B
Product NamePRO B840M-B Gaming Desktop Motherboard
Manufacturer Part NumberPROB840MB
Manufacturer Website Addresshttp://www.msi.com
Technical Information
AI-poweredYes
Processor & Chipset
Chipset ManufacturerAMD
Chipset ModelB840
Processor SocketSocket AM5
Processor SupportedRyzen 5
Processor SupportedRyzen 7
Processor SupportedRyzen 9
Total Processor Supported1
Memory
Number of Memory Slots2
Memory Form FactorDIMM
Memory Form FactorUDIMM
Memory Speed Supported8000 MHz
Memory Speed Supported7200 MHz
Memory Speed Supported5600 MHz
Memory Speed Supported4800 MHz
Memory TechnologyDDR5 SDRAM
Maximum Memory Supported128 GB
I/O Controller
RAID SupportedYes
RAID Levels0
RAID Levels1
RAID Levels10
Controller TypeSerial ATA/600
Video
Onboard VideoCPU Dependent Video
Audio
Audio Channels7.1
Network & Communication
Gigabit EthernetYes
2.5Gigabit EthernetYes
I/O Expansions
Number of PCI Express x1 Slots1
Number of PCI Express x16 Slots1
PCI Express StandardPCI Express 3.0
PCI Express StandardPCI Express 4.0
Total Number of PCI Express Slots2
Interfaces/Ports
HDMIYes
VGAYes
Number of Network (RJ-45) Ports1
Total Number of USB Ports6
Number of USB 2.0 Ports2
Onboard Interfaces
Number of SATA Interfaces4
Total Number of Onboard USB Ports7
Number of Onboard USB 2.0 Ports4
Number of M.2 Interfaces2
Physical Characteristics
Width9.6"
Depth8.9"
Form FactorMicro ATX
Warranty
Limited Warranty3 Year
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MSI PROB840MB B840M-B Gaming Desktop MotherboardAMD B840 Chipset Socket AM5 128 GB DDR5 SDRAM Maximum RAM Supported is available to buy in increments of 1