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MSI MEG B550 Unify

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General

   
Chipset AMD B550  
Cooling Passive  
Form factor ATX  

Connectors

   
DisplayPort No  
DVI No  
HDMI Yes  
HDMI version 2.1  
Number of HDMI outputs  1 ​  
Headphone output Yes  
Microphone input  1 ​  
Other connectors    
PS/2  1 ​  
S/PDIF Yes  
Coaxial S/PDIF out No  
Optical S/PDIF out  1 ​  
USB Yes  
Type of USB connector USB (Type A), USB (Type C)  
USB 2.0  4 ​  
USB 3.1 Gen 1 (5Gbps) No  
USB 3.2 Gen 2 (10Gbps)  4 ​  
USB 3.2 Gen 2x2 (20Gbps) No  

Connections - Internal

   
Chassis fan connectors  6 ​  
Internal S/PDIF No  
Internal USB ports Yes  
Internal USB 2.0 ports  2 ​  
Internal USB 3.1 Gen 1 ports (5Gbps)  1 ​  
Internal USB 3.2 Gen 2 ports (10Gbps)  1 ​  
Internal USB 3.2 Gen 2x2 ports (20Gbps) No  
M.2  4 ​  
Other internal connectors    
SATA (Serial ATA) Yes  
Max SATA speed 6 Gb/s  
Number of SATA ports  6 ​  
U.2 No  

Image properties

   
Graphics card No  
Support for integrated graphics in CPU Yes  

Dimensions

   
Depth  244 mm  
Width  304 mm  

Expansion slots

   
Other expansion slots    
PCI Express version 4.0  
PCI Express x1  2 ​  
PCI Express x16  2 ​  
PCI Express x4 No  
PCI Express x8 No  
PCI slots No  

Features

   
Features    
Security    

Communication

   
Bluetooth Yes  
Bluetooth version 5.1  
Ethernet connection (RJ45) Yes  
Max Ethernet speed 2.5 Gbit/s  
Network chip Realtek RTL8125B  
Number of Ethernet connections  1 ​  
Wireless network (Wi-Fi) Yes  
Wireless networking standard (IEEE 802.11)
802.11a
802.11ac (Wi-Fi 5)
802.11ax (Wi-Fi 6)
802.11b
802.11g
802.11n (Wi-Fi 4)
 

Compatibility

   
RAID controller Yes  
Type of RAID RAID 0, RAID 1, RAID 10  
Support for multiple graphics cards Yes  
Multi-GPU technology CrossFireX  

Audio features

   
Sound card Yes  
Sound card chip Realtek ALC1220  

Memory

   
ECC support No  
Maximum amount of memory  128 GB  
Memory module DIMM  
Memory slots  4 ​  
Memory speeds
DDR4-2133
DDR4-2400
DDR4-2666
DDR4-2800
DDR4-2933
DDR4-3000
DDR4-3066
DDR4-3200
DDR4-3466
DDR4-3600
DDR4-3733
DDR4-3866
DDR4-4000
DDR4-4133
DDR4-4266
DDR4-4400
DDR4-4533
DDR4-4600
DDR4-4733
DDR4-4866
DDR4-5000
 
Type of memory DDR4  

Processor

   
64-bit processor Yes  
Integrated CPU No  
Compatible processors Ryzen 3, Ryzen 5, Ryzen 7, Ryzen 9  
Number of processor sockets One  
Socket AMD Socket AM4   List cpus (73 items, from £30.27)  

Miscellaneous

   
Release year 2020  

Links

     
Product page https://www.msi.com/Motherboard/MEG-B550-UNIFY
Manual https://download.msi.com/archive/mnu_exe/mb/E7D13v1.1.pdf
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