MSI AMD B550M MAG Mortar M-ATX Motherboard (AM4)

MAG B550M MORTAR
This AMD motherboard from MSI unleashes the full potential of your 3rd Gen AMD Ryzen processors and supports future AMD Ryzen processors with BIOS update. Experience unprecedented speeds with PCI-E 4.0, Lightning Gen 4 M.2, and AMD Turbo USB 3.2 Gen 2. Coupled with designs to enhance cooling, prolong lifespan, and protect components, it is a go-to choice for your next gaming powerhouse.

2.5G LAN
Featuring 2.5G LAN with LAN manager delivers better network experience.

Turbo USB
Featuring the Turbo USB 3.2 Gen 2 10Gbps with reversible Type-C connector.

DDR4 Boost
The fully isolated DDR circuit to deliver pure data signals for the best gaming and overclocking performance.

Lightning Gen 4 Solution
The latest Gen 4 PCI-E and M.2 solution with up to 64GB/s bandwidth for maximum transfer speed.

Extended Heatsink
MSI extended heatsink and enhanced circuit design ensures even high-end processors to run in full speed.

M.2 Shield Frozr
Strengthened built-in M.2 thermal solution. Keeps M.2 SSDs safe while preventing throttling, making them run faster.

Pump Fan Support
Control water cooling pump speeds for best flow and noise control.

Heatsinks with 7W/mK Thermal Pad
7W/mK thermal pad provides better heat transfer to the heatsink.

Core Boost Technology
With premium layout design, that is ready for unleashing the maximum performance.

2oz Thickened Copper
4-layer PCB with 2oz thickened copper provides higher performance and long-lasting system stability without any compromise.

Digital PWM
Highest quality component digital power IC makes sure your system runs smoothly under the most extreme conditions.

PCIe Steel Armor
Protecting VGA cards against bending and EMI for better performance, stability and strength.

Optimized For Water Cooling
Designed to support the most popular All-In-One & customized water cooling solutions on the market. A dedicated water pump PIN header supports up to 3 amp, giving you full control of the water pump speed. A clearly marked 'keep-out-zone' allows for easy and safe installation and a perfect fit.

8 + 2 +1 Duet Rail Power System
Unleash and sustain maximum performance with an aggressive VRM design built with a total of 8 digital CPU power phases. Combining exclusive Core Boost technology, MAG series motherboard is ready to sustain heavy gaming loadings.

LOAD-LINE CALIBRATION
What you set, is what you get. LLC makes sure your CPU voltage remains 100% stable under any load. This greatly improves stability when demanding more CPU performance.

OVERVOLTAGE PROTECTION
Prevents potential short-circuit damage to the CPU and other critical components.

DIGITALL POWER DESIGN
A fully digital power design allows for faster and undistorted current delivery to the CPU at pin-point precision. Creating the perfect conditions for CPU overclocking.

DEDICATED HIGH DEFINITION AUDIO PROCESSOR
Make sure you enjoy the purest sound quality in both stereo and surround sound.

HIGH QUALITY AUDIO CAPACITORS
A high fidelity sound experience with exceptional acoustics and realism for studio level headphones is ensured.

HIGH QUALITY AUDIO JACKS
Keep your sound perfect by transmit your audio with pure digital signal.

ISOLATED AUDIO DESIGN
Like a dedicated sound card, audio components and circuits have been laid on a reserved motherboard section and electrically isolated.

SEPARATED AUDIO LAYERS FOR CLEAN LEFT & RIGHT CHANNELS
Using separated layers in the PCB ensures equally pristine sound quality for both left and right audio channels.

EASY BIOS RECOVERY WITH FLASH BIOS BUTTON
Run into trouble when updating your BIOS? Simply flash the old BIOS version back and continue gaming within minutes with Flash BIOS Button. Flash BIOS Button even works without a CPU, memory or graphics card installed!

KEEP OUT ZONE
MSI motherboards circuitry ensure the case standoff keep out zones are pure and clean, preventing any component contact or damage to the motherboard. Please makes sure to remove the unnecessary mounting stand-off when installing the motherboard into the case.

XL Clip
The enlarged PCI-E clip helps you swap or remove your devices easier. Keep the PCI-E slot stronger and safer.

EZ Debug LED
Run into trouble? Onboard LEDs for key components will indicate the source of the problem so you know exactly where to look to get up and running again.

Ultimate Motherboard Protection
Double ESD protection doubles up the grounding layer around the mounting holes, preventing static discharge surges from damaging the motherboard.

USB FRONT TYPE-C
MSI gaming motherboards support USB Front Type-C that allows gamers to connect with the latest USB devices. Built up a system with MSI PC case to have the most convenient experience.

Click BIOS 5
Get more from a loaded BIOS designed for ease of use. Fine-tune the motherboard for gaming performance, efficiency, or overclocking world records!

Dragon Center
MSI brand new Dragon Center unifies a suite of MSI software utilities into a single centralized application. Take control of advanced motherboards features and unleash endless possibilities.

MSI APP Player
Developed under an exclusive partnership with BlueStacks, the MSI APP Player brings seamless gaming experience between mobile games and PC platform, and leverages customized features as specific keyboard lighting and better graphics with multi-task works.

General

Brand:	MSI
Series:	MAG
Categories:	Computers > Components > Motherboards > AMD > AM3 Computers > Components > Motherboards > AMD > AM4
LSN:	X12-2TV-FPD-4
Barcode:	4719072727697

Warranty

Warranty:

36 Months Limited

Supported CPU

CPU Socket Type:	AM4
CPU Type:	Desktop

Chipset

Chipset:	B550
Chipset Family:	Ryzen

Memory

Channels Supported:	Dual Channel
Memory Specifications:	4 x DDR4 memory slots, support up to 128GB Supports DDR4 1866/ 2133/ 2400/ 2667/ 2800/ 2933/ 3000/ 3066/ 3200 MHz by JEDEC Supports DDR4 2667/ 2800/ 2933/ 3000/ 3066/ 3200/ 3466/ 3600/ 3733/ 3866/ 4000/ 4133/ 4266/ 4400+ MHz by A-XMP OC MODE 1DPC 1R max speed 5100 MHZ 1DPC 2R max speed 3866 MHZ 2DPC 1R max speed 4000 MHZ 2DPC 2R max speed 3600 MHZ Dual channel memory architecture Supports non-ECC UDIMM memory Supports ECC UDIMM memory Supports un-buffered memory Please refer www.msi.com for more information on compatible memory.
Memory Standard:	DDR4
Number of Memory Slots:	4

Onboard

Audio Chipset:	Realtek® ALC1200 / ALC1220P Codec 7.1-Channel High Definition Audio Supports S/PDIF output
EPS Power Connector (8-Pin):	1 x 8-pin + 1 x 4-pin (both required for power)
Internal I/O Connections:	1x 24-pin ATX main power connector • 1x 8-pin ATX 12V power connector • 6x SATA 6Gb/s connectors • 2x M.2 slots (M-Key) • 1x USB 3.2 Gen 1 5Gbps Type-C port • 1x USB 3.2 Gen 1 5Gbps connector (supports additional 2 USB 3.2 Gen 1 5Gbps ports) • 2x USB 2.0 connectors (supports additional 4 USB 2.0 ports) • 1x 4-pin CPU fan connector • 1x 4-pin water-pump fan connector • 3x 4-pin system fan connectors • 1x Front panel audio connector • 2x System panel connectors • 1x Chassis Intrusion connector • 1x 4-pin RGB LED connector • 2x 3-pin RAINBOW LED connectors • 1xTPM module connector • 1x Clear CMOS jumper
SATA:	6 x SATA 6Gb/s connectors
Storage Specifications:	AMD B550 Chipset 6x SATA 6Gb/s ports 2x 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 3.0x4 Supports 2242/ 2260/ 2280 storage devices * The supported specification depends on installed processor.
USB Ports:	AMD B550 Chipset 3x USB 3.2 Gen 1 5Gbps ports (1 Type-C internal connector, and 2 ports are available through the internal USB 3.2 Gen 1 5Gbps connector) 6x USB 2.0 ports (2 Type-A ports on the back panel, 4 ports through the internal USB 2.0 connectors) AMD Processor 2x USB 3.2 Gen 2 10Gbps ports (1 Type-C port and 1 Type-A port on the back panel) 2x USB 3.2 Gen 1 5Gbps Type-A ports on the back panel

Expansion Slots

M2 Slots:	2
PCI Express Configuration:	1x PCIe 4.0/ 3.0 x16 slot (PCI_E1)* 1x PCIe 3.0 x16 slot (PCI_E4), supports x4 speed 2** 2x PCIe 3.0 x1 slots * The supported specification depends on installed processor. ** PCI_E4 will be unavailable when an M.2 SSD is installed in the M2_2 slot.
SLI / Crossfire Support:	Supports AMD 2-Way CrossFireX™ Technology

Rear Panel Ports

Audio Ports:	5
DisplayPort:	1
HDMI:	1
Rear I/O Connections:	PS/2 Combo Port • DisplayPort • 2.5G LAN Port • 5 x HD Audio Connectors • Flash BIOS Button • 2 x USB 2.0 Port • HDMI Port • 2x USB 3.2 Gen 1 5Gbps (Type-A) • 2x USB 3.2 Gen 2 10Gbps (Type-A + Type-C) • Optical S/PDIF OUT

BIOS

Clear BIOS Button:

Yes

Networking

Bluetooth:	No
Lan Chipset:	1x Realtek® RTL8125B 2.5Gbps LAN controller

Package Contents

Package Contents:

MSI MAG B550M Mortar AM4 Micro-ATX Motherboard – Black x1 • SATA cables x2 • Driver DVD x1 • User Manual x1 • Quick Install Guide x1

Physical Specification

Form Factor:

Micro ATX

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• 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 processors.
• 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™.

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