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Green micro-ATX board with black heatsinks and silver AM4 socket

MSI

MSI B450M MORTAR AMD motherboard

SKU CH-3EZ4-VD81B

Micro-ATX AM4 board with dual M.2 slots, four SATA 6Gb/s ports and DDR4 3466 support for Ryzen CPUs

  • CPU Socket TypeAM4
  • CPU TypeSupports AMD RYZEN 1st and 2nd Generation/ Ryzen with Radeon
  • ChipsetAMD B450
  • Number of Memory Slots4x288pin (DDR4)
  • Memory StandardDDR4 3466
  • Channel SupportedDual Channel
  • Supports AMD RYZEN 1st and 2nd Generation processors via AM4 socket
  • DDR4 memory up to 3466 MHz across four 288-pin slots in dual-channel mode
  • Two M.2 slots plus four SATA 6Gb/s ports for flexible storage expansion
  • 1-channel audio and 1 Gbps LAN built into the rear I/O
  • HDMI and DisplayPort outputs enable integrated graphics use with compatible CPUs

Socket AM4 platform board

The MSI B450M MORTAR is a micro-ATX motherboard built on the AMD B450 chipset for Socket AM4 processors. It supports Ryzen 1st and 2nd Generation CPUs as well as Ryzen models with integrated Radeon Vega graphics. Four DDR4 slots run up to 3466 MT/s in dual-channel mode.

Builders needing legacy I/O or compact upgrades

This board suits builders who need a mix of modern and older ports: one PCIe 3.0 x16 slot, one PCIe 2.0 x16 slot, two PCIe x1 slots, four SATA 6Gb/s ports, two M.2 sockets, HDMI, DisplayPort, PS/2 and multiple USB 3.1 Gen 1 and Gen 2 Type-A connections. Users requiring integrated Wi-Fi or native PCIe 4.0 support should consider a different chipset.

Two M.2 sockets for fast storage

The board provides two M.2 connectors, allowing a pair of high-speed SSDs to be installed directly on the PCB. This is the key spec to verify when planning a compact system that relies on M.2 storage rather than 2.5-inch SATA drives.

Highlights

  • Supports AMD RYZEN 1st and 2nd Generation processors via AM4 socket
  • DDR4 memory up to 3466 MHz across four 288-pin slots in dual-channel mode
  • Two M.2 slots plus four SATA 6Gb/s ports for flexible storage expansion
  • 1-channel audio and 1 Gbps LAN built into the rear I/O
  • HDMI and DisplayPort outputs enable integrated graphics use with compatible CPUs

Specifications

BrandMSI
SeriesBecause post air mail refuse the goods with battery,In order to successfully pass security,the goods we ship out not include CMOS battery,hope u can understand.
ModelB450M MORTAR
CPU Socket TypeAM4
CPU TypeSupports AMD RYZEN 1st and 2nd Generation/ Ryzen with Radeon Vega Graphics Processors for Socket AM4
ChipsetAMD B450
Number of Memory Slots4x288pin (DDR4)
Memory StandardDDR4 3466
Channel SupportedDual Channel
PCI Express 3.0 x161 x PCI Express 3.0 x16
PCI Express 2.0 x161 x PCI Express 2.0 x16
PCI Express x12 x PCI Express x1
Serial ATA (SATA)4 x SATA 6Gb/s
M.22 x M.2
Audio Channels7.1 Channels
Max LAN Speed1Gbps
Back I/O Ports1 x DisplayPort / 1 x HDMI / 1 x LAN (RJ45) / 1 x PS/2 / 2 x USB 2.0/1.1 / 2 x USB 3.1 Gen 2 Type-A / 4 x USB 3.1 Gen 1 / 5 x Audio Jacks
PS/21 x PS/2 keyboard/mouse port
HDMI1 x HDMI
RJ451 x RJ45
DisplayPort1 x DisplayPort
USB 3.12 x USB 3.1 GEN2 4 x USB 3.1 GEN1
USB 1.1/2.02 x USB 2.0
S/PDIF Out1 x Optical
Audio Ports5 Ports
Onboard USB2 x USB 3.1 + 4 x USB 2.0

Questions about this item

Will my existing AM4 cooler fit this board?

The board uses the standard AM4 socket so any cooler rated for AM4 will mount without extra brackets.

Can I run four sticks of DDR4 at the rated 3466 speed?

Four slots are wired for dual-channel DDR4; populating all four may require a lower frequency depending on the memory controller in your specific RYZEN processor.

Does the HDMI port work with a Ryzen CPU that has no integrated graphics?

The HDMI and DisplayPort outputs are driven by the processor; a RYZEN chip without Radeon Vega graphics will not provide video through those ports.

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