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Micro-ATX motherboard in black with silver heatsinks, bundled Ryzen 5 5500 CPU in box

MSI

MSI MAG B550M Mortar WiFi AMD motherboard with Ryzen 5 5500

SKU CH-EMQB-KQV0H

A micro-ATX B550 board paired with a 6-core Ryzen 5 5500, supporting up to 128 GB DDR4, 2.5 Gb LAN and Wi-Fi 6

  • CPU TypeRyzen 5000 Series
  • ChipsetAMD B550
  • Number of Memory Slots4x288pin (DDR4)
  • Memory StandardSupports DDR4 3200/ 3066/ 3000/ 2933/ 2800/ 2667/ 2400/ 2133
  • Maximum Memory Supported128GB
  • Channel SupportedDual Channel
  • Ready for Ryzen 5000 CPUs with AM4 socket and BIOS update path
  • 65 W six-core processor keeps thermals low for compact builds
  • Dual-channel DDR4 up to 128 GB with A-XMP profiles to 4400 MHz
  • PCIe 4.0 x4 M.2 slot plus second PCIe 3.0 x4 M.2 for fast storage
  • 5 Gbps LAN and Wi-Fi 6 AX200 give wired and wireless speed

Bundle platform

This motherboard and CPU bundle pairs an AMD B550 Micro-ATX board with a Ryzen 5 5500 six-core processor. The board delivers a PCIe 4.0 x16 slot and dual M.2 sockets for fast storage. Integrated Intel Wi-Fi 6 and 2.5 Gbps LAN handle networking without extra cards. The 65 W CPU fits compact builds and standard coolers.

Target builder

Builders wanting a ready-to-run AM4 foundation for 1080p gaming or productivity will appreciate the matched components. The bundle suits DDR4 memory kits up to 128 GB and leaves two PCIe x1 slots for add-in cards. Users needing integrated graphics or more than six cores should select a different processor.

Deciding spec

The Ryzen 5 5500 lacks integrated graphics, so a discrete GPU is mandatory for any video output. The board’s HDMI and DisplayPort connectors only function with APUs. Confirm your graphics card choice before ordering this combo.

Highlights

  • Ready for Ryzen 5000 CPUs with AM4 socket and BIOS update path
  • 65 W six-core processor keeps thermals low for compact builds
  • Dual-channel DDR4 up to 128 GB with A-XMP profiles to 4400 MHz
  • PCIe 4.0 x4 M.2 slot plus second PCIe 3.0 x4 M.2 for fast storage
  • 5 Gbps LAN and Wi-Fi 6 AX200 give wired and wireless speed

Specifications

BrandMSI
SeriesAMD B550
CPU TypeRyzen 5000 Series
ChipsetAMD B550
Number of Memory Slots4x288pin (DDR4)
Memory StandardSupports DDR4 3200/ 3066/ 3000/ 2933/ 2800/ 2667/ 2400/ 2133/ 1866 MHz by JEDEC
Supports DDR4 4400+/ 4266/ 4133/ 4000/ 3866/ 3733/ 3600/ 3466/ 3200/ 3066/ 3000/ 2933/ 2800/ 2667 MHz by A-XMP OC MODE
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
PCI Express 4.0 x161 x PCIe 3.0/4.0 x16 slot (PCI_E1) *
* The supported specification depends on installed processor.
PCI Express 3.0 x161 x PCIe 3.0 x16 slot (PCI_E4), supports x4 mode **
** PCI_E4 will be unavailable when an M.2 SSD is installed in the M2_2 slot.
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 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:
1x HDMI port, supports a maximum resolution of 4096x2160 @24Hz
1x DisplayPort, supports a maximum resolution of 4096x2160 @60Hz
Maximum shared memory of 2048MB
* Available for the processor with integrated graphics.
Audio ChipsetRealtek ALC1200
Audio Channels7.1-Channel High Definition Audio
Supports S/PDIF output
LAN ChipsetRealtek RTL8125B
Max LAN Speed2.5Gbps
Wireless LANIntel Wi-Fi 6 AX200
The Wireless module is pre-installed in the M.2 (Key-E) slot
Supports MU-MIMO TX/RX, 2.4GHz/5GHz (160MHz) up to 2.4Gbps
Supports 802.11 a/ b/ g/ n/ ac/ ax
BluetoothSupports Bluetooth 5.1
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)
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
Package ContentsMotherboard, manual, accessories

Questions about this item

Will my DDR4 3200 MHz RAM run at its rated speed with the Ryzen 5 5500 on this board?

Yes, the board supports DDR4 3200 MHz by JEDEC with Ryzen 5000 series processors, so your modules will operate at that speed without manual tuning.

How can I verify the Intel Wi-Fi 6 AX200 module is active after assembly?

Open Device Manager in Windows; the adapter appears as Intel Wi-Fi 6 AX200 and should show a 2.4 Gbps link rate when connected to a 5 GHz 160 MHz network.

Does the bundle include a CPU cooler for the 65 W Ryzen 5 5500?

No, the package contains only the motherboard and processor; a compatible AM4 cooler must be purchased separately.

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