Msi MEG B550 UNIFY Motherboard

Brand : MSI
Availablity : on order
On Order items usually have to be ordered in and may take bit longer to get them delivered from our Seven Hills, NSW warehouse
Chipset: AMD B550, CPU Socket: AM4, USB: 4 x USB 2.0 Type-A, Display: 1 x HDMI, Wi-Fi Antenna: 2 x Connector, Maximum Capacity: 128 GB, Channel Architecture: Dual Channel, Multi-GPU Support: 2-Way AMD CrossFireX, Liquid Cooling: 1 x 4-Pin Pump, Audio Codec: Realtek ALC1220P (7.1-Channel), Warranty: 03 Years Limited Warranty. The MEG B550 UNIFY AM4 ATX Motherboard from MSI. The ATX form factor provides immense utility for high-end components for extreme gaming performance. The AMD B550 chipset and AM4 CPU socket provide compatibility with the latest Ryzen brand processors.
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Product Description

Manufacture # MSI | Model # MEG B550 UNIFY


The MEG B550 UNIFY AM4 ATX Motherboard from MSI. The ATX form factor provides immense utility for high-end components for extreme gaming performance. The AMD B550 chipset and AM4 CPU socket provide compatibility with the latest Ryzen brand processors. Install up to 128GB of dual-channel DDR4 memory with speeds up to 5100 MHz for quick multitasking and smooth system performance. Configure a storage array with six SATA III ports and four M.2 PCIe slots for NVMe SSD drives. Further expand the capabilities of the MEG B550 UNIFY with one PCIe 4.0 x16 and one PCIe 3.0 x16 slot for graphics cards, while two PCIe 3.0 x1 slots allow the installation of game capture, audio, and networking cards.


You can utilize seven USB 3.2 Gen 1 Type-A and Type-C ports for resource-demanding devices such as external storage or microphones. Another eight USB 2.0 Type-A ports are available for low-resource devices such as keyboards and mice. Wi-Fi 6 (802.11ax) functionality is built into this board for wireless online connectivity, but if you wish to utilize a wired connection, an RJ45 2.5 gigabit Ethernet port also provides a speedy, low-latency online experience. This motherboard is compatible with the Windows 10 (64-bit) operating system.



  • The Meg B550 Unify Is Clearly Designed With Easily Accessible And Defined Ports
  • Keep Out Zone Ensures Case Standoffs Don't Interact With Electrical Components While Installing
  • An Ez Debug Led System Indicates The Sources Of Possible Problems
  • The Pcie Slots Feature Steel-armor Covering, Preventing
  • The Weight Of Heavy Graphics Cards From Affecting The Motherboard By Heavily Reinforcing Soldered Connections
  • This Program Allows You To Fine-tune Various Aspects Of Your Build
  • The Lan Manager, You Can Prioritize Your Games Over Other Applications



  • Chipset: AMD B550
  • CPU Socket: AM4
  • USB: 4 x USB 2.0 Type-A
  • Display: 1 x HDMI
  • Ethernet / Controller: 1 x Realtek 2.5Gigabit
  • Wi-Fi Antenna: 2 x Connector
  • Maximum Capacity: 128 GB
  • Channel Architecture: Dual Channel
  • Multi-GPU Support: 2-Way AMD CrossFireX
  • Liquid Cooling: 1 x 4-Pin Pump
  • Audio Codec: Realtek ALC1220P (7.1-Channel)
  • Bluetooth: 5.1
  • Wi-Fi: Wi-Fi 6 (802.11ax) (MU-MIMO)
  • Form Factor: ATX


Manufacturer Warranty: 03 Years Limited Warranty


Technical Specifications


Chipset A chipset is an electronic component in an integrated circuit known as a "Data Flow Management System" that manages the data flow between the processor, memory and peripherals.
AMD B550
Socket A CPU socket or CPU slot contains mechanical components providing mechanical and electrical connections between a processor and PCB. This allows for placing the CPU without soldering.
BIOS Basic Input/Output System, also known as the System BIOS is firmware used to provide runtime services for operating systems and programs to perform hardware initialization during the booting process.
1x 256 Mb flash
ACPI 6.1, SM BIOS 2.8
Unique Features
Audio Boost4
2.5G LAN
LAN Manaer
Intel WiFi 6
All Aluminum Design
Extended Heatsink Design
Mystic Light Extension (RGB/RAINBOW/CORSAIR)
Lightning Gen 4 PCI-E Slot
Lightning Gen 4 M.2
Multi GPU-CrossFire Technology
PCI-E Steel Armor
Pre-installed I/O Shield


RAM Capacity The total memory that can be added to a computer depends on the address registers built into the CPU.
upto 128GB (32GB each)
DIMM Slots DIMM (dual in-line memory module) slots are the place on your motherboard where the RAM goes.
RAM Frequency Supports RAM frequency is measured in MHz and usually immediately follows the DDR version in the RAM spec.
DDR4 2667 / 2800 / 2933 / 3000 / 3066 / 3200 / 3466 / 3600 / 3733 / 3866 / 4000 / 4133 / 4266 / 4400 / 4533 / 4600 / 4733 / 4866 / 5000 / 5100+ MHz by A-XMP OC MODE

Onboard Graphics

1 x HDMI 2.1 port, supporting a maximum resolution of 4096x2160 @120 Hz
With DisplayPort

Wireless Communication

Wi-Fi Wi-Fi is a wireless networking technology that allows devices such as computers, mobile devices, and other equipments to interface with the Internet.
Intel Wi-Fi 6 AX200
The Wireless module is pre-installed in the M2_WIFI1 (Key-E) slot
Supports MU-MIMO TX/RX, 2.4GHz/ 5GHz (160MHz) up to 2.4Gbps
Supports 802.11 a/ b/ g/ n/ ac/ ax
Bluetooth Bluetooth is a wireless technology that enables the exchange of data between devices using wavelength.

Slots And Ports

Expansion Slots An expansion slot is a socket on the motherboard that is used to insert an expansion card, which provides additional features to a computer such as video, sound, graphics, ethernet or memory.
1x PCIe 4.0/ 3.0 x16 slot (PCI_E1)
1x PCIe 3.0 x16 slot (PCI_E4), supports x4 speed
2x PCIe 3.0 x1 slots (PCI_E2 & PCI_E3)
4x M.2 slots (Key M) (Supports 2280/ 22110 storage devices)
Internal I/O Connectors An I/O (Input/Output) port is a socket on a computer that a cable is plugged into. The port connects the CPU to a peripheral device via a hardware interface or to the network via a network interface.
1x 24-pin ATX main power connector
2x 8-pin ATX 12V power connector
1x 6-pin PCIE power connector
6x SATA 6Gb/s connectors
4x M.2 slots (M-Key)
1x USB 3.2 Gen 2 10Gbps 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
6x 4-pin system fan connectors
1x Front panel audio connector
2x System panel connectors
1x Chassis Intrusion connector
1x 4-pin RGB LED connectors
2x 3-pin RAINBOW LED connectors
1x 3-pin CORSAIR LED connector
1x TPM module connector
1x Clear CMOS jumper
1x Power button
1x Reset button
Back Panel Connectors The back or rear panel is the portion of the motherboard that allows you to connect external devices, such as your monitor, speakers, keyboard, mouse etc.
1x Clear CMOS Button
1x Flash BIOS Button
1x PS/2 keyboard/ mouse combo port
4x USB 2.0 Type-A ports
1x HDMI port
2x USB 3.2 Gen 2 10Gbps Type-A ports
1x 2.5 Gbps LAN (RJ45) port
1x USB 3.2 Gen 2 10Gbps Type-A port
1x USB 3.2 Gen 2 10Gbps Type-C port
2x Wi-Fi Antenna connectors
5x audio jacks
1x Optical S/PDIF Out connector


Operating System Supports An operating system (OS) is system software that manages computer hardware, software resources, and provides common services for computer programs.
Windows 10 64-bit
Bundled Software
MSI APP Player (BlueStacks)
Nahimic Audio
Google Chrome, Google Toolbar, Google Drive
Norton Internet Security Solution


Form Factor The motherboard's form factor indicates the shape and size specifications of the board.
30.4cm x 24.4cm

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