MSI MEG B550 UNIFY-X AMD Motherboard

The MEG series seeks to transcend current gaming products, the flagship model designed to push the limits of what an extreme gaming series can be. Combining the strengths of our existing arsenal with new innovative technology; this results in significant improvements in operational and gaming efficiency. With the MEG series, take complete control of performance and personalization with the ultimate gaming series for enthusiasts who want it all.

PREMIUM HARDWARE DESIGN
With years of experience, MSI is no stranger to building high-performance motherboards. Our R&D and engineering teams have reviewed countless designs, evaluated a wide selection of high quality components, and developed products for reliability even under extreme conditions.

THERMAL SOLUTION FOR MORE CORES AND HIGHER PERFORMANCE
With more cores’ processors, thermal and power design is more important to make sure the temperature keeps lower. MSI extended PWM heatsink and enhanced circuit design ensures even high-end CPU to run in full speed with MSI motherboards.

ENHANCED PERFORMANCE
High performance MSI motherboards are loaded with advanced features and the latest technology to overwhelm any challenge at hand no matter whether you’re a gamer, prosumer, or PC enthusiast.

LIGHTNING GEN 4 M.2
Utilizing 3rd Gen Ryzen processors, MSI B550 motherboards feature latest Lightning Gen 4 M.2 which is the fastest onboard storage solution on the market with up to 64 Gb/s transfer speed.

CONNECTIVITY
MSI motherboards are built with a variety of connectors to satisfy gamers. Enhanced audio, advanced LAN networking capabilities, USB and Mystic Light turn any gaming experience into an immerse one.

HIGH-BANDWIDTH AND LOW-LATENCY NETWORK
2.5Gbps LAN provides incredible data transfer speed faster than general Gigabit LAN. This is a premium solution for demanding users.

Technical Details

Brand : MSI
Model : MEG B550 UNIFY-X

CPU
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

CHIPSET
AMD B550 Chipset

MEMORY
2x DDR4 memory slots, support up to 64GB 1
Supports DDR4 1866/ 2133/ 2400/ 2667/ 2800/ 2933/ 3000/ 3066/ 3200 MHz by JEDEC
AMD Ryzen 4000 G-Series processors support DDR4 2667/ 2800/ 2933/ 3000/ 3066/ 3200/ 3466/ 3600/ 3733/ 3866/ 4000/ 4133/ 4266/ 4400/ 4533/ 4600/ 4733/ 4800/ 5000/ 5100/ 5300+ (Max. 5800) MHz by A-XMP OC MODE
3rd Gen AMD Ryzen processors supports DDR4 2667/ 2800/ 2933/ 3000/ 3066/ 3200/ 3466/ 3600/ 3733/ 3866/ 4000/ 4133/ 4266/ 4400/ 4533/ 4600/ 4733/ 4800/ 4866/ 5000/ 5100+ MHz by A-XMP OC MODE
AMD Ryzen 4000 G-Series processors
1DPC 1R max speed 5300 MHz (QVL), Max. 5800 MHz
1DPC 2R max speed 4266 MHz (QVL), Max. 4600 MHz
3rd Gen AMD Ryzen processors
1DPC 1R max speed 5100 MHz (QVL), Max. 5300 MHz
1DPC 2R max speed 4260 MHz (QVL)
Dual channel memory architecture
Supports non-ECC UDIMM memory
Supports ECC UDIMM memory (non-ECC mode)
Supports un-buffered memory

EXPANSION SLOTS
AMD Processor
1x PCIe 4.0/ 3.0 x16 slot (PCI_E1) 1
AMD B550 Chipset
1x PCIe 3.0 x16 slot (PCI_E4), supports x4 speed 2
2x PCIe 3.0 x1 slots (PCI_E2 & PCI_E3Ɲ

ONBOARD GRAPHICS
1 x HDMI 2.1 port, supporting a maximum resolution of 4096x2160 @120 Hz 1 2
Maximum shared memory of 16GB

MULTI-GPU
Supports 2-Way AMD CrossFire™ Technology

STORAGE
6x SATA 6Gb/s ports 
4x M.2 slots (Key M)
M2_1 slot (from CPU)
Supports PCIe 4.0/ 3.0 x43
Supports SATA 6Gb/s
Supports 2280/ 22110 storage devices
M2_2 slot
Chipset support mode (default, from Chipset ) - supports PCIe 3.0 x2
CPU support mode (From CPU) - supports PCIe 4.0/ 3.0 x4 3
Supports 2280 storage devices
M2_3 slot
Chipset support mode (default, from Chipset ) - supports PCIe 3.0 x2
CPU support mode (From CPU) - supports PCIe 4.0/ 3.0 x4 3
Supports SATA 6Gb/s
Supports 2280/ 22110 storage devices
M2_4 slot
Supports PCIe 3.0 x4
Supports 2280 storage devices

RAID
Supports RAID 0, RAID 1 and RAID 10 for SATA storage devices
Supports RAID 0, RAID 1 and RAID 10 for M.2 NVMe storage devices

USB
AMD Processor
4x USB 3.2 Gen 2 10Gbps ports(3 Type-A ports and 1 Type-C port) on the back panel
AMD B550 Chipset
1x USB 3.2 Gen 2 10Gbps Type-C internal connector
2x USB 3.2 Gen 1 5Gbps ports are available through the internal USB 3.2 Gen 1 5Gbps connector
4x USB 2.0 ports on the back channel
AMD B550 chipset + USB 2.0 Hubs
4x USB 2.0 ports are available through the internal USB 2.0 connectors

AUDIO
Realtek® ALC1220P Codec
7.1-Channel High Definition Audio
Supports S/PDIF output

LAN
1x Realtek® RTL8125B 2.5Gbps LAN controller

WIRELESS LAN & BLUETOOTH®
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
Supports Bluetooth® 5.1

INTERNAL CONNECTORS
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 PORTS
Clear CMOS Button
Keyboard / Mouse
USB 2.0 Ports
2.5G LAN
Wi-Fi /Bluetooth
HD Audio Connectors
Flash BIOS Button
USB 2.0 Ports
HDMI 2.1 Port
USB 3.2 Gen 2 10Gbps (Type-A)
USB 3.2 Gen 2 10Gbps (Type-A+C)
Optical S/PDIF-Out

LED FEATURES
1x EZ LED Control switch
1x 2-Digit Debug Code LED
4x EZ Debug LED

I/O CONTROLLER
NUVOTON NCT6687D-R Controller Chip

HARDWARE MONITOR
CPU/ System/ Chipset temperature detection
CPU/ System/ Pump fan speed detection
CPU/ System/ Pump fan speed control

FORM FACTOR
ATX Form Factor
12 in. x 9.6 in. (30.4 cm x 24.4 cm)