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Black ATX motherboard with silver heatsinks and four DDR4 slots

MSI

MSI MPG B550 GAMING PLUS AMD motherboard

SKU CH-33TE-BCPTH MPN MPG B550 GAMING PLUS

ATX board for AM4 Ryzen CPUs with PCIe 4.0 graphics and M.2, four DDR4 slots up to 128 GB, 7.1 audio and dual video outputs

  • CPU Socket TypeAM4
  • CPU TypeSupports AM4 socket 3rd Gen AMD Ryzen processors, and future
  • ChipsetAMD B550
  • Number of Memory Slots4x288pin (DDR4)
  • Memory StandardSupports DDR4 4400+/ 4266/ 4133/ 4000/ 3866/ 3733/ 3600/ 346
  • Maximum Memory Supported128GB
  • Supports 3rd Gen Ryzen and future CPUs with BIOS update
  • DDR4 memory up to 4400 MHz via A-XMP OC MODE
  • PCIe 4.0 x16 slot and M.2_1 for fast GPU and storage
  • Dual M.2 slots with 2242 to 22110 support
  • Realtek ALC892 7.1-channel audio with S/PDIF output

Ryzen AM4 platform ready

This ATX motherboard uses the AMD B550 chipset and the AM4 socket to support 3rd Gen Ryzen CPUs and future Ryzen processors with a BIOS update. It targets builders who want a mainstream platform with PCIe 4.0 graphics and storage support.

VRM heatsinks and fan headers manage thermals

Extended heatsinks cover the power delivery for stable operation under load. Multiple fan headers let the builder tune airflow for quiet daily use or higher performance when needed. The Realtek RTL8111H LAN controller adds minimal power draw.

Dual M.2 slots and six SATA ports for storage

The primary M.2 slot runs at PCIe 4.0 x4 from the CPU and accepts 2242, 2260, 2280 and 22110 drives. The second M.2 slot runs at PCIe 3.0 x4 from the chipset. Six SATA 6Gb/s ports with RAID 0, 1, 10 round out the storage options.

商品特色

  • Supports 3rd Gen Ryzen and future CPUs with BIOS update
  • DDR4 memory up to 4400 MHz via A-XMP OC MODE
  • PCIe 4.0 x16 slot and M.2_1 for fast GPU and storage
  • Dual M.2 slots with 2242 to 22110 support
  • Realtek ALC892 7.1-channel audio with S/PDIF output

商品規格

BrandMSI
ModelMPG B550 GAMING PLUS
CPU Socket TypeAM4
CPU TypeSupports AM4 socket 3rd Gen AMD Ryzen processors, and future AMD Ryzen processors with BIOS update
ChipsetAMD B550
Number of Memory Slots4x288pin (DDR4)
Memory StandardSupports DDR4 4400+/ 4266/ 4133/ 4000/ 3866/ 3733/ 3600/ 3466/ 3200/ 3066/ 3000/ 2933/ 2800/ 2667 MHz by A-XMP OC MODE
Supports DDR4 3200/ 3066/ 3000/ 2933/ 2800/ 2667/ 2400/ 2133/ 1866 MHz by JEDEC
1DPC 1R max speed 4400 MHz
1DPC 2R max speed 3866 MHz
2DPC 1R max speed 4000 MHz
2DPC 2R max speed 3600 MHz
Maximum Memory Supported128GB
Channel SupportedDual Channel
PCI Express 4.0 x161 x PCIe 4.0/3.0 x16 slot (PCI_E1) *
* The supported specification depends on installed processor.
PCI Express 3.0 x161 x PCIe 3.0 x16 slot (PCI_E3), supports x4 speed **
** When installing PCIe SSD in M.2_2, PCI_E3 slot will be unavailable.
PCI Express x161 x PCI Express x16
PCI Express x12 x PCIe 3.0 x1 slots
Serial ATA (SATA)6 x SATA 6Gb/s
M.22 x M.2 slots (Key M)
M2_1 slot (from AMD Processor)
Supports PCIe 4.0/3.0 x4 *
Supports SATA 6Gb/s
Supports 2242/2260/2280/22110 storage devices
M2_2 slot (from AMD B550 chipset)
Supports PCIe 3.0 x4
Supports 2242/2260/2280 storage devices
* The supported specification depends on installed processor.
SATA RAID0/1/10
Onboard Video ChipsetSupported only by CPU with integrated graphic:
1 x HDMI port, supports a maximum resolution of 4096x2160 @24Hz
1 x DisplayPort, supports a maximum resolution of 4096x2160 @60Hz
Maximum shared memory of 16GB
* Available for the processor with integrated graphics.
Audio ChipsetRealtek ALC892
Audio Channels7.1-Channel High Definition Audio
Supports S/PDIF output
LAN ChipsetRealtek RTL8111H
Max LAN Speed1Gbps
Back I/O Ports4 x USB 3.1 Gen 1
USB 3.04 x USB 3.0
Onboard USB1 x USB 3.2 Gen 1 5Gbps Type-C port
1 x USB 3.2 Gen 1 5Gbps connector (supports additional 2 USB 3.2 Gen 1 5Gbps ports)
2 x USB 2.0 connectors (supports additional 4 USB 2.0 ports)
Other Connectors1 x 4-pin CPU fan connector
1 x 4-pin water-pump fan connector
6 x 4-pin system fan connectors
1 x Front panel audio connector
2 x System panel connectors
1 x Chassis Intrusion connector
1 x 4-pin RGB LED connector
2 x 3-pin RAINBOW LED connectors
1 x TPM module connector
1 x Clear CMOS jumper
Form FactorATX
LED LightingRGB
Dimensions (W x L)12.0" x 9.6"
Power Pin1 x 24-pin ATX main power connector
1 x 8-pin ATX 12V power connector
Windows 11Supported
FeaturesSupport for 3rd Gen AMD Ryzen Processors and future AMD Ryzen processors with BIOS update
Supports DDR4 Memory, up to 4400(OC) MHz
Lightning Fast Game experience: PCIe 4.0, Lightning Gen 4 x4 M.2 with M.2 Shield Frozr, AMD Turbo USB 3.2 GEN 2
Enhanced Power Design: Core Boost, Digital PWM IC, 2oz Thickened Copper PCB, DDR4 Boost
Premium Thermal Solution: Extended Heatsink Design and M.2 Shield Frozr are built for high performance system and non-stop gaming experience
Pre-installed I/O Shielding: Better EMI protection and more convenience for installation
Flash BIOS Button with Optmiz
出貨重量1.77 kg
包裝尺寸348 × 269 × 86 mm

商品問答

How do I install the motherboard in an ATX case, and what step is often missed?

Mount the board using all nine ATX standoffs, connect the 24-pin ATX and 8-pin EPS power cables, then update the BIOS before installing a 3rd Gen Ryzen CPU so the processor is recognised.

What maintenance or replacement will the board need later?

The CMOS battery that preserves BIOS settings and the real-time clock will eventually need replacement, and dust should be cleared from the VRM heatsinks and chipset heatsink to maintain thermal performance.

What limit appears first under sustained heavy load?

The VRM and chipset heatsinks are the primary thermal limit; if they saturate, the board will throttle the CPU to protect itself.

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