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Green Micro ATX motherboard with silver heatsinks and black slots

MSI

MSI PRO B650M-P AMD motherboard

SKU CH-88Y1-X906G

Micro-ATX board with AM5 socket, DDR5 memory up to 256 GB, 2.5 Gb LAN and 7.1 audio

  • CPU Socket TypeSocket AM5
  • CPU TypeSupports AMD Ryzen™ 8000/ 7000 Series Desktop Processors Soc
  • ChipsetAMD B650
  • Memory StandardSupport DDR5 7200 + (OC)/7000 (OC)/6800 (OC)/6600 (OC)/6400
  • Maximum Memory Supported256GB
  • PCI Slots1X PCI-E x16 slots (quantity) Supports x16 (For Ryzen™ 7000
  • Supports AMD Ryzen 8000 and 7000 series CPUs on Socket AM5
  • DDR5 memory up to 7200 MHz overclocked with 256 GB maximum capacity
  • 5 Gbps LAN via Realtek 8125BG for fast wired networking
  • 1 channel HD audio with Realtek ALC897 codec
  • Micro ATX form factor 23.6 x 20.0 cm fits compact builds

AM5 platform with B650 chipset

This micro-ATX motherboard uses the AMD B650 chipset and Socket AM5 to support Ryzen 7000 and 8000 series desktop processors. It provides a compact foundation for a new build or an upgrade to the current AM5 generation.

DDR5 memory and 2.5 GbE LAN

The four DIMM slots accept DDR5 up to 256 GB with JEDEC 4800 MHz and a wide range of overclocked speeds up to 7200 MHz. Rear I/O includes 2.5 GbE LAN, 10 Gbps USB Type-A and Type-C ports plus 7.1-channel audio from the Realtek ALC897 codec.

PCIe lane allocation depends on CPU

The single PCIe x16 slot runs at x16 with Ryzen 7000 CPUs, drops to x8 for Ryzen 7 8700G and Ryzen 5 8600G, and runs at x4 for Ryzen 5 8500G. Two additional PCIe x1 slots and two M.2 interfaces are available regardless of processor choice.

Highlights

  • Supports AMD Ryzen 8000 and 7000 series CPUs on Socket AM5
  • DDR5 memory up to 7200 MHz overclocked with 256 GB maximum capacity
  • 5 Gbps LAN via Realtek 8125BG for fast wired networking
  • 1 channel HD audio with Realtek ALC897 codec
  • Micro ATX form factor 23.6 x 20.0 cm fits compact builds

Specifications

BrandMSI
SeriesMSI PRO B650M-P
ModelMSI PRO B650M-P
CPU Socket TypeSocket AM5
CPU TypeSupports AMD Ryzen™ 8000/ 7000 Series Desktop Processors
Socket AM5
ChipsetAMD B650
Memory StandardSupport DDR5 7200 + (OC)/7000 (OC)/6800 (OC)/6600 (OC)/6400 (OC)/6200 (OC)/6000 (OC)/5800 (OC)/5600 (OC)/5400 (OC)/5200 (OC)/5000 (OC)/4800 (JEDEC) MHz
Maximum Memory Supported256GB
PCI Slots1X PCI-E x16 slots (quantity)
Supports x16 (For Ryzen™ 7000 Series processors)
Supports x8 (For Ryzen™ 7 8700G and Ryzen™ 5 8600G processors)
Supports x4 (For Ryzen™ 5 8500G processor)
2X PCI-E x1 slots (quantity)
PCI_E1 Gen PCIe 4.0 supports up to x16 (From CPU)
PCI_E2 Gen PCIe 3.0 supports up to x1 (From Chipset)
PCI_E3 Gen PCIe 3.0 supports up to x1 (From Chipset)
SATA RAID2XM.2 interface, 4xSATA III interface
Audio ChipsetRealtek ALC897 Codec
7.1-Channel High Definition Audio
LAN ChipsetRealtek 8125BG 2.5G LAN
Onboard USB4X USB 2.0 (rear)
4X USB 2.0 (front)
2x USB 5Gbps Type A (Rear)
2x USB 5Gbps Type A (Front)
2x USB 10Gbps Type A (Rear)
1x USB 10Gbps Type C (Front)

Questions about this item

What case clearance does the 23.6x20.0cm Micro-ATX board need for the I/O shield and front-panel headers?

The board measures 23.6 by 20.0 cm, so any case with a standard Micro-ATX cut-out and front-panel header reach will fit. Align the included I/O shield before securing the nine mounting screws.

Which DDR5 DIMM slots should I populate first for a dual-channel kit on this four-slot board?

Install the first kit in the two slots furthest from the CPU socket — usually labelled DDR5_1 and DDR5_2 — to enable dual-channel operation.

How long does the onboard Realtek ALC897 audio codec typically last before sound quality drops?

The Realtek ALC897 7.1-channel codec is a solid-state component with no moving parts; it does not wear out under normal use and rarely requires replacement.

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