MSI B550 Gaming Plus AMD AM4 ATX Motherboard

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MSI B550 Gaming Plus AMD AM4 ATX Motherboard


The MPG series brings out the best in gamers by allowing full expression in color with advanced RGB lighting control and synchronization. Experiment on another level of personalization with a front LED strip that provides convenient in-game and real time notifications. With the MPG series, transform your equipment into the center of attention and top leaderboards in style.


Brand MSI
Series AMD B550 Motherboards
CPU Supports AM4 Socket 3rd Gen AMD Ryzen Processors, and Future AMD Ryzen Processors with BIOS Update
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
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 4400 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 (Non-ECC Mode)
Supports Un-Buffered Memory
Expansion Slots 1x PCIe 4.0/ 3.0 x16 Slot (PCI_E1) *1
1x PCIe 3.0 x16 Slot (PCI_E3), Supports x4 Speed *2
2x PCIe 3.0 x1 Slots
On-Board Graphics 1x HDMI Port, Supports a Maximum Resolution of 4096×2160 @24Hz *3
1x DisplayPort, Supports a Maximum resolution of 4096×2160 @60Hz *3
Maximum Shared Memory of 16GB
Multi-GPU Supports 2-Way AMD CrossFire Technology
Storage 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 *4
Supports SATA 6Gb/s
Supports 2242/ 2260/ 2280/ 22110 Storage Devices
M2_2 Slot (from AMD B550 Chipset)
Supports PCIe 3.0×4
Supports 2242/ 2260/ 2280 Storage Devices
RAID Supports RAID 0, RAID 1 and RAID 10 for SATA Storage Devices
Supports RAID 0 and RAID 1 for M.2 NVMe Storage Devices
USB 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)
8x 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
Audio Realtek ALC892 Codec:
7.1-Channel High Definition Audio
Supports S/PDIF Output
LAN 1x Realtek 8111H LAN Controller
Internal Connectors 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
6x 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
Back Panel Ports 1x PS/2 Combo Port
1x DisplayPort
1x LAN Port
1x USB 3.2 Type-A Gen 2 (10Gbps)
5x HD Audio Connectors
Flash BIOS Button
4x USB 2.0 Type-A
1x USB 3.2 Type-A Gen 1 (5Gbps)
USB 3.2 Type-C Gen 2 (10Gbps)
Optical S/PDIF OUT
LED Features 1x EZ LED Control Switch
4x EZ Debug LED
I/O Controller NUVOTON NCT6687-R Controller Chip
Hardware Monitor CPU/ System/ Chipset Temperature Detection
CPU/ System/ Pump Fan Speed Detection & Control
Form Factor ATX Form Factor
12 in. x 9.6 in. (30.4 cm x 24.4 cm)
Mounting Holes 9x Mounting Holes
Warranty Information
Warranty 3 Year Warranty