CPU
Supports AM4 socket 3rd Gen AMD Ryzen™ processors,
and future AMD Ryzen™ processors with BIOS update.
See supported processors
CHİPSET
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 4800 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
Please refer www.msi.com for more information on compatible memory.
See supported memory
EXPANSİON SLOT
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
The supported specification depends on installed processor.When installing
PCIe SSD in M.2_2, PCI_E3 slot will be unavailable.
MULTİ-GPU
Supports 2-Way AMD CrossFire™ Technology
ONBOARD GRAPHİCS
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 2048 MB
Available for the processor with integrated graphics.
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
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
AUDİO
Realtek® ALC892 Codec
7.1-Channel High Definition Audio
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
Keyboard / Mouse
DisplayPort
LAN
HD Audio Connectors
Flash BIOS Button
USB 2.0
HDMI™
USB 2.0
USB 3.2 Gen 1 5Gbps Type-A
USB 3.2 Gen 2 10Gbps Type-A+C
MSI B550-A PRO back panel ports
DİMENSİONS
ATX Form Factor
12 in. x 9.6 in. (30.5 cm x 24.4 cm)
MOUNTING
9 mounting holes
BOX CONTENT
MSI B550-A PRO box content
MSI® does not guarantee the risks or damages caused by changing the cover.
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