MSI MB Sc AM4 MEG B550 UNIFY, AMD B550, 4xDDR4, 1xHDMI, WI-FI

MEG B550 UNIFY

• 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, Dual Channel 5100(OC) MHz+
• Quadruple M.2 Connectors: Maximum onboard 4x M.2 slots, support the latest Gen 4 solution with up to 64GB/s bandwidth for maximum transfer speed.
• Extreme Power Design: Direct 14+2 phases with 90A Power Stage and dual CPU power connectors to unleash your true power.
• Premium Thermal Solution: Aluminum Cover 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.
• 2.5G LAN with LAN Manager and Intel Wi-Fi 6 AX Solution: Upgraded network solution for professional and multimedia use. Delivers a secure, stable and fast network connection.
• Lightning Fast Game experience: PCIe 4.0, Lightning Gen 4 x4 M.2 with M.2 double-side Shield Frozr, AMD Turbo USB 3.2 GEN 2.
• Flash BIOS Button with Optmized ClearCMOS Function: Simply use a USB key to flash any BIOS within seconds. Restore the BIOS to the default settings without any additional actions.
• Pre-installed I/O Shield: Better EMI protection and more convenience for installation.

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

4x DDR4 memory slots, support up to 128GB
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/ 4866/ 5000/ 5100+ (Max. 5600) 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/ 4866/ 5000/ 5100+ MHz by A-XMP OC MODE
AMD Ryzen 4000 G-Series processors
1DPC 1R max speed 5100 MHz (QVL), Max. 5600 MHz
1DPC 2R max speed 4266 MHz
2DPC 1R max speed 4400 MHz
2DPC 2R max speed 3600 MHz
3rd Gen AMD Ryzen processors
1DPC 1R max speed 5100 MHz
1DPC 2R max speed 4000 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 (non-ECC mode)
Supports un-buffered memory

EXPANSION SLOTS

AMD Processor
1x PCIe 4.0/ 3.0 x16 slot (PCI_E1) *
AMD B550 Chipset
1x PCIe 3.0 x16 slot (PCI_E4), supports x4 speed **
2x PCIe 3.0 x1 slots (PCI_E2 & PCI_E3)***
*The supported specification depends on installed processor.
**The PCI_E4 slot will be unavailable, when installing M.2 SSD into M2_4.
***The both PCIe x1 slots will be unavailable after you install the M.2 SSD into M2_2 slot in Chipset support mode (default mode).

ONBOARD GRAPHICS

1 x HDMI 2.1 port, supporting a maximum resolution of 4096x2160 @120 Hz */**
Support HDCP 1.4 & 2.3
Maximum shared memory of 16GB
*Available for the processor with integrated graphics.
**Graphics specifications may vary depending on the CPU installed.

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 x4***
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 ***
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 ***
Supports SATA 6Gb/s
Supports 2280/ 22110 storage devices
M2_4 slot
Supports PCIe 3.0 x4
Supports 2280 storage devices
*The SATA5 port will be unavailable when installing M.2 SATA SSD into M2_3.
**The SATA5 and SATA6 ports will be unavailable when installing M.2 PCIe SSD into M2_3
***M.2 specifications may vary depending on the CPU installed.

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
MEG B550 Unify

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)