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Micro-ATX board, black PCB, silver heatsinks, integrated Wi-Fi antenna port

MSI

MSI B550M PRO-VDH WIFI AMD motherboard

SKU CH-MGVH-BA94T MPN B550M PRO-VDH WIFI

Micro-ATX AM4 board with Wi-Fi, PCIe 4.0 x16, four DDR4 slots up to 4400 MHz and 128 GB capacity

  • 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

Option B550M PRO-VDH WIFI

Struck-through versions exist but are not stocked here.

  • 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 for high-speed graphics and storage
  • Built-in Wi-Fi AC up to 433 Mbps with low CPU load
  • 2 oz thickened copper PCB for improved heat dissipation

AM4 Micro-ATX for Ryzen builds

The MSI B550M PRO-VDH WIFI fits AM4 socket 3rd Gen Ryzen CPUs and future Ryzen processors with a BIOS update. Its Micro-ATX footprint suits compact workstations or budget gaming rigs. Four DDR4 slots accept up to 128 GB in dual-channel mode.

Passive chipset cooling and VRM heatsinks

The B550 chipset runs without a fan so silent operation is guaranteed. Extended VRM heatsinks and a 2 oz copper PCB spread heat from the digital power phase array. PCIe 4.0 support depends on the installed processor.

M.2 Shield Frozr and Wi-Fi AC

A built-in M.2 shield covers the Lightning Gen 4 slot to limit SSD throttling under load. Onboard Wi-Fi delivers up to 433 Mbps with low CPU overhead. Rear I/O includes a Flash BIOS Button for CPU-less updates.

Highlights

  • 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 for high-speed graphics and storage
  • Built-in Wi-Fi AC up to 433 Mbps with low CPU load
  • 2 oz thickened copper PCB for improved heat dissipation

Specifications

BrandMSI
SeriesPRO
ModelB550M PRO-VDH WIFI
Part NumberB550M PRO-VDH WIFI
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 3733 MHZ
2DPC 1R max speed 3866 MHZ
2DPC 2R max speed 3466 MHZ
Maximum Memory Supported128GB
Channel SupportedDual Channel
Memory FeatureDDR4, 4400 MHz, 4, 128 GB
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 PCI Express 3.0 x16
PCI Express 2.0 x161 x PCI Express 2.0 x16
PCI Express x161 x PCI Express x16
PCI Express x43 x PCI Express x4
PCI Express x12 x PCIe 3.0 x1 slots
PCI Slots1 x PCI Slot
Serial ATA (SATA)4 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 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 VGA port, supports resolution of 2048x1536 @50Hz, 2048x1280 @60Hz, 1920x1200 @60Hz *
1 x DisplayPort, supports a maximum resolution of 4096x2160 @60Hz *
1 x HDMI 2.1 port, supports a maximum resolution of 4096x2160 @60Hz *,**
Maximum shared memory of 16GB
* Available for the processor with integrated graphics.
** Graphics specifications may vary depending on the CPU installed.
Audio ChipsetRealtek ALC892/ALC897 Codec
Audio Channels7.1 Channels
LAN ChipsetRealtek 8111HN
Max LAN Speed1Gbps
Wireless LANIntel Dual Band Wireless-AC 3168
Supports Wi-Fi 802.11 a/b/g/n/ac, dual band (2.4 GHz, 5 GHz) up to 433 Mbps speed.
BluetoothSupports Dual Mode Bluetooth 2.1, 2.1+EDR, 3.0, 4.0, BLE, 4.2
Back I/O Ports4 x USB 3.1 Gen 1
PS/21
COM3
Video Ports1
HDMI1 x HDMI
RJ451 x RJ45
USB 3.12 x USB 3.1
USB 3.04 x USB 3.0
USB 1.1/2.09 x USB 2.0
eSATA1 x eSATA 3Gb/s
S/PDIF Out1 x Optical, 1 x Coaxial
S/PDIF In1 x Optical, 1 x Coaxial
Game/MIDI Ports1
Audio Ports6 Ports
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
3 x 4-pin system fan connectors
1 x Front panel audio connector
2 x System panel connectors
1 x Serial port connector
1 x Chassis Intrusion connector
2 x 4-pin RGB LED connectors
2 x 3-pin RAINBOW LED connectors
1 x TPM module connector
1 x Clear CMOS jumper
Form FactorMicro ATX
LED LightingRGB
Dimensions (W x L)9.6" x 9.6"
Power Pin1 x 24-pin ATX main power connector
1 x 8-pin ATX 12V power connector
Softwarewindows_10
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 Experience: PCIe 4.0, Lightning Gen4 x4 M.2 with M.2 Shield Frozr
Premium Thermal Solution: 7W/mK pad, additional choke thermal pad and M.2 Shield Frozr are built for high performance system and non-stop works
Powerful Design: Core Boost, Digital PWM IC, 2oz Thickened Copper PCB, Creator Genie, DDR4 Boost
Audio Boost: Reward your ears with studio grade sound quality
Dragon Center: A brand new software which integrates all MSI exclusive tool
Package Contents1 unit
Shipping weight1.09 kg
Package size279 × 272 × 70 mm

Other versions of this model

5 more in the same range

Same family, different memory, cooler or clock — compare before you commit.

Questions about this item

How do I install the AM4 CPU and what step is often missed?

Align the triangle on the Ryzen processor with the socket corner, lower the retention arm fully, then update the BIOS via the Flash BIOS Button using a USB key before first boot — skipping the update can leave newer CPUs unsupported

What maintenance or replacement will the Wi-Fi module need later?

The onboard Wi-Fi delivers AC speeds up to 433 Mbps and is soldered to the board; if wireless performance degrades or newer standards are required, a PCIe x1 or USB Wi-Fi adapter must be added instead

What limit appears first under sustained heavy loads?

The VRM heatsink area can become the thermal bottleneck during prolonged all-core workloads, especially with higher-wattage Ryzen CPUs, because the board uses a 2 oz copper PCB without active VRM cooling

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