MSI PRO B840-P WIFI

MSI PRO B840-P WIFI AM5 AMD B840 2.5G LAN Wi-Fi 7 ATX

MSI PRO B840-P WIFI AM5 AMD B840 2.5G LAN Wi-Fi 7 ATX

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  • MSI PRO B840-P WIFI AM5 AMD B840 SATA 6Gb/s 2.5G Network Wi-Fi 7 DDR5 ATX Motherboard Number of Memory Slots: 4x288pin (DDR5) PCI Express 3.0 x16: 1 x PCI Express 3.0 x16 Audio Chipset: Realtek ALC897 PCI Express x1: 3 x PCI Express 3.0 x1 Audio Channels: 7.1 Channels Max LAN Speed: 2.5Gbps Maximum Memory Supported: 256GB Channel Supported: Dual Channel

Specifications Overview

Model PRO B840-P WIFI
Release Date January 2025

* First availability for purchase, it may not correspond to the actual market launch date.

Socket AM5
Form factor ATX
Chipset AMD B840
Supported Memory DDR5
4800Mhz 5200Mhz 5600Mhz 5800Mhz 6000Mhz 6200Mhz 6400Mhz 6600Mhz 6800Mhz 7000Mhz 7200Mhz 7400Mhz 7600Mhz 7800Mhz 7900Mhz 7950Mhz 8000Mhz
* High clock speeds may require enabling the XMP profile in the motherboard BIOS
** RAM support may also depend on the CPU memory controller
ECC RAM Support No
Audio Chipset Realtek ALC897
Audio Channels 7.1 Channels
LAN Chipset Realtek 8125
Max LAN Speed 2.5Gbps
SLI Support No
CrossFire Support No
RAID Support Yes
Back Connect No
Back I/O Ports
  • 1 x Clear CMOS Button
  • 1 x Flash BIOS Button
  • 1 x LAN (RJ45)
  • 1 x USB 3.2 Gen 2 Type-A
  • 1 x USB 3.2 Gen 2 Type-C
  • 2 x Antenna Bracket
  • 2 x USB 3.2 Gen 1 Type-A
  • 3 x Audio Jacks
  • 4 x USB 2.0/1.1
Wireless LAN Yes
Wi-Fi Generation 7
PCI-Express x16 Slots 5
PCI-Express x4 Slots 0
PCI-Express x1 Slots 0
SATA 6 Gbps Ports 4
SATA Express Ports 0
M.2 Ports 2
M.2 Devices support
  • 2260 / 2280 - M Key
  • 2260 / 2280 / 22110 - M Key
RAM Slots 4
Maximum Supported RAM 256 GB
Onboard USB 2.0 2
Onboard USB 3.2 Gen 1 1
Onboard USB 3.2 Gen 2 1
Onboard USB 3.2 Gen 2x2 0


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