MSI MEG B550 UNIFY User Guide

5
Specifications
Continued from previous page

 1 x HDMI 2.1 port, supporting a maximum resolution of
4096x2160 @120 Hz*
/
**
 Maximum shared memory of 16GB
* Available for the processor with integrated graphics.
** Graphics specifications may vary depending on the CPU installed.
Multi-GPU   
Storage
 6x SATA 6Gb/s ports*
/
** (from Chipset)
 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
 
supports PCIe 3.0 x2
 
3.0 x4 ***
/
****
 Supports 2280 storage devices
 M2_3 slot
 
supports PCIe 3.0 x2**
 
3.0 x4**
/
***
/
****
 Supports SATA 6Gb/s*
 Supports 2280/ 22110 storage devices
 M2_4 slot (from Chipset)
 Supports PCIe 3.0 x4
 Supports 2280 storage devices
* The SATA5 port will be unavailable when installing M.2  SSD into M2_3.
** The SATA5 and SATA6 ports will be unavailable when installing M.2  SSD
into M2_3.
*** M.2 specifications may vary depending on the CPU installed.
**** Please refer to 
(page 20) for details.
Continued on next page

MSI MEG B550 UNIFY Specifications

General

Processor socket	Socket AM4
Processor manufacturer	AMD
Compatible processor series	AMD Ryzen 3, AMD Ryzen 5, AMD Ryzen 7, AMD Ryzen 9 3rd Gen
Maximum number of SMP processors	1
ECC	Yes
Memory channels	Dual-channel
Memory slots type	DIMM
Number of memory slots	4
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, 4533, 4600, 4733, 4866, 5000, 5100, 5600 MHz
RAID levels	0, 1, 10
Supported storage drive types	HDD & SSD
Number of storage drives supported	10
Supported storage drive interfaces	M.2, SATA
DirectX version	12.0
Maximum resolution	4096 x 2160 pixels
Maximum graphics card memory	16384 MB
Parallel processing technology support	2-Way CrossFireX
USB 2.0 connectors	2
Number of SATA II connectors	0
Number of SATA III connectors	6
USB 2.0 ports quantity	USB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity	3
LAN controller	Realtek RTL8125B
Wi-Fi standards	802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 6 (802.11ax)
Bluetooth version	5.1
Top Wi-Fi standard	Wi-Fi 6 (802.11ax)
WLAN controller model	Intel Wi-Fi 6 AX200
Ethernet interface type	2.5 Gigabit Ethernet
Audio chip	Realtek ALC1220P
Component for	PC
Motherboard chipset	AMD B550
PC health monitoring	FAN, Temperature
Audio output channels	7.1 channels
Motherboard form factor	ATX
BIOS type	UEFI AMI
Cables included	SATA
Harmonized System (HS) code	84733020
Weight	1000 g

Weight and Dimensions

Depth	244 mm
Width	304 mm
Height	65 mm