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Specifications

CPU

∙ Supports AMD Ryzen™ 5000 Series, 5000 G-Series, 4000

G-Series, and 3000 Series processors

∙ Supports Socket AM4

* Please go to www.msi.com to get the newest support status as new processors

are released.

Chipset AMD B550 Chipset

Memory

∙ 4x DDR4 memory slots, supporting up to 128 GB*

• 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

* Please refer to www.msi.com for more information on compatible memory.

Expansion Slots

∙ 2x PCIe x16 slots

• PCI_E1* slot (From CPU)

• Supports PCIe 4.0/ 3.0 x16

• PCI_E3** slot (From B550 chipset)

• Supports PCIe 3.0 x4

∙ 2x PCIe x1 slots

• PCI_E2 & PCI_E4 slots (From B550 chipset)

• Support PCIe 3.0 x1

* The supported specification depends on installed processor.

** When installing PCIe SSD in M.2_2 slot, PCI_E3 slot will be unavailable.

Continued on next column

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General

Processor socket	Socket AM4
Processor manufacturer	AMD
Compatible processor series	AMD Ryzen 3 3rd Gen, AMD Ryzen 5 3rd Gen, AMD Ryzen 7 3rd Gen, AMD Ryzen 9 3rd Gen
Maximum number of SMP processors	1
S/PDIF out port	Yes
USB 2.0 ports quantity	4
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	2
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity	0
Wi-Fi	No
LAN controller	Realtek 8111H
Ethernet interface type	Gigabit Ethernet
Memory channels	Dual-channel
Memory slots type	DIMM
Supported memory types	DDR4-SDRAM
Maximum internal memory	128 GB
Supported memory clock speeds	1866, 2133, 2400, 2667, 2800, 2933, 3000, 3066, 3200, 3466, 3600, 3733, 3866, 4000, 4133, 4266, 4400 MHz
Audio chip	Realtek ALC892
Component for	PC
Motherboard chipset	AMD B550
PC health monitoring	CPU, FAN, Temperature
Audio output channels	7.1 channels
Motherboard form factor	ATX
Number of mounting holes	9
RAID levels	0, 1, 10
Supported storage drive types	HDD & SSD
Supported storage drive interfaces	SATA III
Maximum resolution	4096 x 2160 pixels
Maximum graphics card memory	16000 MB
Parallel processing technology support	2-Way CrossFireX
Number of SATA III connectors	6
BIOS type	UEFI AMI
Cables included	SATA
Harmonized System (HS) code	84733020
Weight	1000 g