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MSI B450M MORTAR MAX AM4 AMD B450 SATA 6Gb/s USB 3.1 HDMI Micro ATX Motherboards - AMD

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AMD B450
Ryzen Series
1866/ 2133/ 2400/ 2667Mhz (by JEDEC)
For AMD Ryzen Gen3 (R5/R7/R9)
2667/ 2800/ 2933/ 3000/ 3066/ 3200/ 3466/ 3733/ 3866/ 4000/ 4133 MHz (by A-XMP OC MODE)
For AMD Other CPU
2667/ 2800/ 2933/ 3000/ 3066/ 3200/ 3466 MHz (by A-XMP OC MODE)

Overview

Specs

Reviews

AMD B450
Ryzen Series
1866/ 2133/ 2400/ 2667Mhz (by JEDEC)
For AMD Ryzen Gen3 (R5/R7/R9)
2667/ 2800/ 2933/ 3000/ 3066/ 3200/ 3466/ 3733/ 3866/ 4000/ 4133 MHz (by A-XMP OC MODE)
For AMD Other CPU
2667/ 2800/ 2933/ 3000/ 3066/ 3200/ 3466 MHz (by A-XMP OC MODE)

Model
Brand	MSI
Model	B450M MORTAR MAX

Supported CPU
CPU Socket Type	AM4
CPU Type	Ryzen Series

Chipsets
Chipset	AMD B450

Memory
Number of Memory Slots	4x288pin (DDR4)
Memory Standard	1866/ 2133/ 2400/ 2667Mhz (by JEDEC)For AMD Ryzen Gen3 (R5/R7/R9)2667/ 2800/ 2933/ 3000/ 3066/ 3200/ 3466/ 3733/ 3866/ 4000/ 4133 MHz (by A-XMP OC MODE)For AMD Other CPU2667/ 2800/ 2933/ 3000/ 3066/ 3200/ 3466 MHz (by A-XMP OC MODE)
Maximum Memory Supported	128GB
Channel Supported	Dual Channel

Expansion Slots
PCI Express 3.0 x16	2 x PCI Express 3.0 x16
PCI Express x1	2 x PCI Express x1

Storage Devices
Serial ATA (SATA)	4 x SATA 6Gb/s
M.2	2 x M.2
SATA RAID	0/1/10

Onboard Audio
Audio Channels	7.1 Channels

Onboard LAN
LAN Chipset	1x Realtek RTL8111H-CG
Max LAN Speed	1Gbps

Rear Panel Ports
Back I/O Ports	1 x DisplayPort / 1 x HDMI / 1 x LAN (RJ45) / 1 x PS/2 / 1 x USB 3.2 Gen 2 Type-C / 5 x Audio Jacks / 6 x USB 2.0/1.1
PS/2	1 x PS/2 keyboard/mouse port
HDMI	1 x HDMI
RJ45	1 x RJ45
DisplayPort	1 x DisplayPort
USB 3.1	6 x USB 3.1
USB 1.1/2.0	6 x USB 2.0
USB Type-C	1 x USB 3.1
S/PDIF Out	1 x Optical
Audio Ports	5 Ports

Internal I/O Connectors
Onboard USB	2 x USB 2.0

Physical Spec
Form Factor	Micro ATX

Additional Information
First Listed on Newegg	May 13, 2026

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MSI B450M MORTAR MAX AM4 AMD B450 SATA 6Gb/s USB 3.1 HDMI Micro ATX Motherboards - AMD

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Item#: 9SIC6HJKWH7849

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MSI B450M MORTAR MAX AM4 AMD B450 SATA 6Gb/s USB 3.1 HDMI Micro ATX Motherboards - AMD

Refurbished

Learn more about the MSI B450M MORTAR MAX

Customer Reviews of the MSI B450M MORTAR MAX

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

Return Policies

Manufacturer Contact Info