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Micro ATX board with black heatsinks and silver accents, bundled with Ryzen 5 5500 CPU

MSI

MSI MAG B550M MORTAR MAX WIFI AMD motherboard CPU combo

SKU CH-N6EW-WP8V7

Micro-ATX B550 board paired with a 6-core Ryzen 5500 CPU, DDR4 to 4400 MHz, PCIe 4.0 x16, six SATA 6Gb/s ports, two M.2 slots, 7.1 audio, Bluetooth, HDMI, Windows 11 ready

  • CPU TypeRyzen 5000 Series
  • ChipsetAMD B550
  • Memory StandardDDR4 2400
  • Maximum Memory Supported128GB
  • Channel SupportedDual Channel
  • PCI Express 4.0 x161 x PCI Express 4.0 x16
  • Supports Ryzen 5000 series CPUs with AM4 socket
  • Dual-channel DDR4 memory up to 128GB capacity
  • PCI Express 4.0 x16 slot for modern graphics cards
  • Six SATA 6Gb/s ports plus two M.2 slots
  • 1 channel audio with Bluetooth and HDMI output

MAG B550M Mortar Max WIFI with Ryzen 5 5500

This bundle pairs a Micro ATX AMD B550 motherboard with a Ryzen 5 5500 processor. The board uses the AM4 socket and supports DDR4 memory up to 128 GB in dual-channel mode. It includes one PCI Express 4.0 x16 slot, six SATA 6Gb/s ports and two M.2 slots. Rear I/O provides one HDMI port, Bluetooth and Windows 11 support.

Builders staying on AM4 with a 65 W 6-core CPU

The combination suits users upgrading an existing AM4 system or building a compact rig around a 65 W Ryzen 5000 series chip. It does not fit newer socket platforms or processors that require a different chipset. Buyers needing more than one full-size PCI Express 4.0 x16 slot should consider a full-size ATX alternative.

Single PCI Express 4.0 x16 slot for the graphics

Only one x16 slot runs at PCI Express 4.0 speeds, so the graphics card occupies the sole high-bandwidth expansion lane. The two M.2 slots and six SATA ports share the remaining chipset bandwidth. Verify that your add-in card and storage plans fit this single x16 constraint before purchasing.

Highlights

  • Supports Ryzen 5000 series CPUs with AM4 socket
  • Dual-channel DDR4 memory up to 128GB capacity
  • PCI Express 4.0 x16 slot for modern graphics cards
  • Six SATA 6Gb/s ports plus two M.2 slots
  • 1 channel audio with Bluetooth and HDMI output

Specifications

BrandMSI
ModelMAG B550M MORTAR MAX WIFI
CPU TypeRyzen 5000 Series
ChipsetAMD B550
Memory StandardDDR4 2400
Maximum Memory Supported128GB
Channel SupportedDual Channel
PCI Express 4.0 x161 x PCI Express 4.0 x16
Serial ATA (SATA)6 x SATA 6Gb/s
M.22 x M.2
Audio Channels7.1 Channels
BluetoothYes
Back I/O Ports1 x HDMI
HDMI1 x HDMI
Windows 11Supported

Questions about this item

Will the included Ryzen 5 5500 work with the board without a BIOS update?

The board supports Ryzen 5000 Series processors out of the box, so the 5500 will run immediately.

What is the fastest memory speed I can run with two dual-rank modules?

With two dual-rank sticks the maximum validated speed is 3733 MHz via A-XMP OC MODE.

Can I add a graphics card and still use the HDMI port on the rear panel?

The HDMI port is driven by the processor; the Ryzen 5 5500 has no integrated graphics, so the port will not output video unless a CPU with integrated graphics is installed.

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