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MSI AM4 AMD Micro ATX Motherboard MAG B550M MORTAR AM4 AMD B550 Micro ATX AMD Motherboard

OPEN BOX

AMD B550
Supports AMD Ryzen 5000 / 3000 Series processors
Supports AMD Ryzen 4000 G-Series processors
* Not compatible with AMD Ryzen 5 3400G & Ryzen 3 3200G.
DDR4 4400+ / 4266 / 4133 / 4000 / 3866 / 3733 / 3600 / 3466 / 3200 / 3066 / 3000 / 2933 / 2800 / 2667 by A-XMP OC MODE
DDR4 3200 / 3066 / 3000 / 2933 / 2800 / 2667 / 2400 / 2133 / 1866 by JEDEC
1DPC 1R max speed 4400
1DPC 2R max speed 3733
2DPC 1R max speed 3866
2DPC 2R max speed 3466

The Open Box Product Disclaimer applies to this product. Please note that this product is non-returnable and non-refundable.

Specs

Learn more about the MSI MAG B550M MORTAR

Supported CPU
CPU Socket Type	AM4
CPU Type	Supports AMD Ryzen 5000 / 3000 Series processors Supports AMD Ryzen 4000 G-Series processors * Not compatible with AMD Ryzen 5 3400G & Ryzen 3 3200G.

Chipsets
Chipset	AMD B550

Memory
Number of Memory Slots	4x288pin (DDR4)
Memory Standard	DDR4 4400+ / 4266 / 4133 / 4000 / 3866 / 3733 / 3600 / 3466 / 3200 / 3066 / 3000 / 2933 / 2800 / 2667 by A-XMP OC MODE DDR4 3200 / 3066 / 3000 / 2933 / 2800 / 2667 / 2400 / 2133 / 1866 by JEDEC 1DPC 1R max speed 4400 1DPC 2R max speed 3733 2DPC 1R max speed 3866 2DPC 2R max speed 3466
Maximum Memory Supported	128GB
Channel Supported	Dual Channel
ECC Supported	Non-ECC
Buffer Supported	Un-buffered

Expansion Slots
PCI Express 4.0 x16	1 x PCI Express 4.0 x16* * Actual support may vary by CPU.
PCI Express 3.0 x16	1 x PCI Express 3.0 x16* * Supports x4 mode. * PCI_E4 will be unavailable when an M.2 SSD is installed in the M2_2 slot.
PCI Express x1	2 x PCIe 3.0 x1

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

Onboard Video
Onboard Video Chipset	Supported only by CPU with integrated graphic

Onboard Audio
Audio Chipset	Realtek ALC1200/ALC1220P
Audio Channels	7.1 Channels

Onboard LAN
LAN Chipset	Realtek RTL8125B
Max LAN Speed	2.5Gbps

Rear Panel Ports
Back I/O Ports	1 x DisplayPort 1 x HDMI 1 x LAN (RJ45) 1 x Optical S/PDIF Out 5 x Audio Jacks 1 x PS/2 Keyboard/Mouse Combo 2 x USB 2.0/1.1 1 x USB 3.2 Gen 2 Type-A 1 x USB 3.2 Gen 2 Type-C 2 x USB 3.2 Gen 1 Type-A 1 x Flash BIOS Button

Internal I/O Connectors
Onboard USB	1 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 Connectors	1 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 Chassis Intrusion connector 1 x 4-pin RGB LED connector 2 x 3-pin RAINBOW LED connectors 1 x TPM module connector 1 x Clear CMOS jumper

Physical Spec
Form Factor	Micro ATX
LED Lighting	RGB
Dimensions (W x L)	9.6" x 9.6"
Power Pin	1 x 24-pin ATX main power connector 1 x 8-pin ATX 12V power connector

Software Feature
Windows 11	Supported

Features
Features	Supports AMD Ryzen 5000 & 3000 Series desktop processors (not compatible with AMD Ryzen 5 3400G & Ryzen 3 3200G) and AMD Ryzen 4000 G-Series desktop processorse Supports DDR4 Memory, up to 4400+(OC) MHz Lightning Fast Game experience: PCIe 4.0, Lightning Gen 4 x4 M.2 with M.2 Shield Frozr, AMD Turbo USB 3.2 Gen 2 Premium Thermal Solution: Extended Heatsink Design with additional choke thermal pad rated for 7W/mk and PCB with 2oz thickened copper are built for high performance system and non-stop gaming experience Enhanced Power Design: 8+2+1 Duet Rail Power System, Digital PWM, Core Boost, DDR4 Boost 2.5G LAN with LAN Manager: Upgraded network solution for professional and multimedia use. Delivers a secure, stable and fast network connection Pre-installed I/O Shielding: Better EMI protection and more convenience for installation Audio Boost: Reward your ears with studio grade sound quality for the most immersive gaming experience Multi-GPU: With Steel Armor PCI-E slots. Supports 2-Way AMD Crossfire

Additional Information
First Listed on Newegg	June 07, 2021

Return for refund within: non-refundable, this item is Final Sale

Return for replacement within: non-replaceable, this item is Final Sale