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Micro-ATX motherboard, dark PCB with black slots and silver heatsinks

MSI

MSI B450M GAMING PLUS AMD motherboard

SKU CH-QSJB-BQMT2

Micro-ATX board for first and second generation Ryzen CPUs with dual-channel DDR4 up to 3466 MHz, 32 GB maximum memory, one PCIe 3.0 x16 slot, four SATA III ports, one M.2 interface.

  • CPU Socket TypeSocket AM4
  • CPU TypeFirst and second generation AMD Ryzen processors with AM4 pi
  • ChipsetAMD B450
  • Memory StandardSupport dual-channel DDR4 1866/2133/2400/2667/2800/2933/3000
  • Maximum Memory Supported32GB
  • PCI Slots1 PCIe 3.0 x16 slot First and second generation AMD Ryzen pr
  • Supports first and second generation Ryzen CPUs with AM4 socket
  • Dual-channel DDR4 memory up to 3466 MHz for fast performance
  • 32 GB maximum memory capacity handles demanding workloads
  • 1-channel Realtek ALC887 audio delivers immersive sound
  • Gigabit Realtek 8111H LAN provides reliable wired networking

Socket AM4 DDR4 Micro ATX Board

This MSI B450M Gaming Plus motherboard uses the AMD B450 chipset on a Micro ATX form factor. It accepts first- and second-generation Ryzen CPUs with AM4 pins. Dual-channel DDR4 memory runs at speeds from 1866 to 3466 MHz with a 32 GB maximum capacity.

Builders Needing Core Features on a Budget

The board suits builders who need one PCIe 3.0 x16 slot, two PCIe 2.0 x1 slots, four SATA III ports and a single M.2 interface. Realtek ALC887 provides 7.1-channel audio and Realtek 8111H handles gigabit LAN. Buyers requiring multiple x16 slots or newer chipset features should consider other models.

Maximum 32 GB DDR4 Capacity Decides Fit

The 32 GB memory ceiling is the key figure when matching this board to a planned system. Four DIMM slots support dual-channel kits up to that limit. If the intended workload demands 64 GB or more, this motherboard will not meet the requirement.

Highlights

  • Supports first and second generation Ryzen CPUs with AM4 socket
  • Dual-channel DDR4 memory up to 3466 MHz for fast performance
  • 32 GB maximum memory capacity handles demanding workloads
  • 1-channel Realtek ALC887 audio delivers immersive sound
  • Gigabit Realtek 8111H LAN provides reliable wired networking

Specifications

BrandMSI
SeriesMSI B450M GAMING PLUS
ModelMSI B450M GAMING PLUS
CPU Socket TypeSocket AM4
CPU TypeFirst and second generation AMD Ryzen processors with AM4 pins and RadeonVega graphics
ChipsetAMD B450
Memory StandardSupport dual-channel DDR4 1866/2133/2400/2667/2800/2933/3000/3066/3200/3466MHz memory
Maximum Memory Supported32GB
PCI Slots1 PCIe 3.0 x16 slot
First and second generation AMD Ryzen processors support x16 speed
Ryzen processors with RadeonVega graphics support x8 speeds
2 PCIe 2.0 x1 slots
SATA RAID1XM.2 interface, 4xSATA III interface
Audio ChipsetRealtek ALC887 decoding chip
7.1-Channel high-quality sound effects
LAN Chipset1 Realtek 8111H Gigabit network interface card
Onboard USBAMD B450 chipset
Four USB 3.1 Gen1 (SuperSpeed USB) interfaces are provided through the onboard USB 3.1 Gen1 interface
6 USB 2.0 (High-speed USB) interfaces (2 interfaces located on the backplane, 4 interfaces provided through the onboard USB interface)
AMD CPU
3 USB 3.1 Gen1 (SuperSpeed USB) Type-A ports located on the backplane
1 USB 3.1 Gen1 (SuperSpeed USB) Type-C interface located on the backplane

Questions about this item

What accessories are included with the board and what must be purchased separately?

The box contains the motherboard, three SATA cables and the rear I/O shield. A CPU, DDR4 memory, storage drives and a power supply are not included.

Which memory capacity should I choose for this board?

The board supports up to 32 GB of dual-channel DDR4 across two slots, so a 2×16 GB kit fills the limit.

What does the 3466 MHz memory rating mean once the system is running?

It is the highest validated DDR4 frequency; actual speed depends on the installed Ryzen processor and the memory modules used.

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