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ATX motherboard, black PCB with red accents, AM4 socket, four DDR4 slots, PCIe x16 and x1 slots, M.2 and SATA ports

MSI

MSI B350 GAMING PLUS AMD motherboard

SKU CH-N5RP-9Z1D2

Socket AM4 ATX board with AMD B350 chipset, dual-channel DDR4 up to 3200 OC, 64GB max, one PCIe 3.0 x16, Realtek ALC892 7.1 audio and gigabit LAN

  • CPU Socket TypeSocket AM4
  • CPU TypeAMD first and second generation AMD Ryzen/Ryzen with Radeon
  • ChipsetAMD B350
  • Memory StandardSupport dual-channel DDR4 1866/2133/2400/2667 (OC)/2933 (OC)
  • Maximum Memory Supported64GB
  • PCI Slots1 PCIe 3.0 x16 slot (PCI_E2) - RYZEN series processors suppo
  • Socket AM4 supports first and second generation Ryzen processors
  • AMD B350 chipset enables dual-channel DDR4 up to 3200 (OC) MHz
  • 64GB maximum memory capacity handles heavy multitasking
  • PCIe 3.0 x16 slot runs at full x16 speed with Ryzen CPUs
  • Realtek ALC892 codec delivers 7.1 channel high-definition audio

Socket AM4 B350 board for Ryzen builds

This ATX motherboard pairs the AMD B350 chipset with a Socket AM4 CPU slot. It accepts first and second generation Ryzen processors as well as compatible A-series and Athlon chips. Four dual-channel DDR4 slots support up to 64 GB of system memory. The layout targets DIY builders assembling a mid-range gaming or productivity system.

VRM cooling and lane allocation under load

The board routes a PCIe 3.0 x16 link to the primary graphics slot when a Ryzen CPU is installed, while 7th generation A-series and Athlon processors run that slot at x8 speed. A second full-length slot operates at PCIe 2.0 x4 and two further x1 slots plus two legacy PCI slots share the remaining 2.0 lanes. The Realtek 8111H Gigabit LAN and ALC892 7.1 audio codecs maintain steady throughput during extended sessions.

Straightforward installation with a few gotchas

The package supplies the board, a CMOS battery, one SATA cable and an I/O shield but no additional brackets or Wi-Fi antenna unless the specific revision includes onboard wireless. Builders must verify cooler clearance against the VRM heatsinks and ensure the power-phase count matches the chosen CPU. Memory speeds above 2667 MHz require manual overclocking in the BIOS.

Highlights

  • Socket AM4 supports first and second generation Ryzen processors
  • AMD B350 chipset enables dual-channel DDR4 up to 3200 (OC) MHz
  • 64GB maximum memory capacity handles heavy multitasking
  • PCIe 3.0 x16 slot runs at full x16 speed with Ryzen CPUs
  • Realtek ALC892 codec delivers 7.1 channel high-definition audio

Specifications

BrandMSI
SeriesMSI B350 GAMING PLUS
ModelMSI B350 GAMING PLUS
CPU Socket TypeSocket AM4
CPU TypeAMD first and second generation AMD Ryzen/Ryzen with Radeon Vega graphics card processors and AMD A series/Ryzen processors with AM4 pins
ChipsetAMD B350
Memory StandardSupport dual-channel DDR4 1866/2133/2400/2667 (OC)/2933 (OC)/3200 (OC) + MHz memory
Maximum Memory Supported64GB
PCI Slots1 PCIe 3.0 x16 slot (PCI_E2)
- RYZEN series processors support x16 speed
- 7th generation A-series/Athlon processors support x 8 speeds
1 PCIe 2.0 x16 slot (PCI_E4, x4 mode supported) *
2 PCIe 2.0 x1 slots
2 PCI slots
SATA RAID1XM.2 interface, 4xSATA III interface
Audio ChipsetRealtek ALC892 decoding chip
- 7.1 channel high-quality sound effects
LAN Chipset1 Realtek 8111H Gigabit network interface card
Onboard USBAMD B350 chipset
- 4 USB 3.1 Gen1 (SuperSpeed USB) ports are provided via the onboard USB 3.1 Gen1 port
- 6 USB 2.0 (High-speed USB) ports (2 Type-A ports on the backplane, 4 via onboard USB 2.0 ports
AMD processor
- 4 USB 3.1 Gen1 (SuperSpeed USB) ports (3 Type-A ports and 1 Type-C port on the back panel)

Questions about this item

How much power does the Realtek ALC892 audio chipset draw when the board runs all day?

The Realtek ALC892 codec is a low-power audio controller; its draw is a small fraction of the board's total consumption and is not itemised separately.

Which DDR4 memory speeds and maximum capacity must I already have for this board to work?

The board supports dual-channel DDR4 at 1866, 2133, 2400, 2667 (OC), 2933 (OC) and 3200 (OC) MHz up to 64 GB total.

Will my older PCI 2.0 expansion cards work in the legacy slots alongside the PCIe 3.0 x16 slot?

Yes, the board provides two PCI 2.0 x1 slots and two classic PCI slots that operate independently of the primary PCIe 3.0 x16 slot.

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