Motherboard MSI B550 GAMING PLUS sAM4 DDR4

CPU

Supports AM4 socket 3rd Gen AMD Ryzen processors, and future AMD Ryzen processors with BIOS update

See supported processors

CHIPSET

AMD B550 Chipset

MEMORY

• 4x DDR4 memory slots, support up to 128GB ¹
  • 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

1. Please refer www.msi.com for more information on compatible 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

1. The supported specification depends on installed processor.
2. When installing PCIe SSD in M.2_2, PCI_E3 slot will be unavailable.

ONBOARD GRAPHICS

• 1x HDMI port, supports a maximum resolution of 4096x2160 @24Hz ¹
• 1x DisplayPort, supports a maximum resolution of 4096x2160 @60Hz ¹
• Maximum shared memory of 16 GB

1. Available for the processor with integrated graphics.

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 ¹
    • Supports SATA 6Gb/s
    • Supports 2242/ 2260/ 2280/ 22110 storage devices
  • M2_2 slot (from AMD B550 chipset)
    • Supports PCIe 3.0x4
    • Supports 2242/ 2260/ 2280 storage devices

1. The supported specification depends on installed processor.

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 (4 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 Gigabit 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

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
• CPU/ System/ Pump fan speed control

DIMENSIONS

• ATX Form Factor
• 12 in. x 9.6 in. (30.5 cm x 24.4 cm)

MOUNTING

9 mounting holes

BOX CONTENT

1. MSI^® does not guarantee the risks or damages caused by changing the cover.
2. These pictures are for reference only and may vary without notice.