MSI MEG B550 Unify-X Review & Specs

MSI MEG B550 Unify-X AMD AM4 DDR4 PCIe 4.0 Dual M.2 USB 3.2 Gen 2 HDMI Wi-Fi 6 AX ATX

MSI MEG B550 Unify-X AMD AM4 DDR4 PCIe 4.0 Dual M.2 USB 3.2 Gen 2 HDMI Wi-Fi 6 AX ATX


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Supports AMD Ryzen 5000 & 3000 Series Desktop Processors (Not Compatible With AMD Ryzen 5 3400G & Ryzen 3 3200G) And AMD Ryzen 4000 G-Series Desktop Processors
Supports DDR4 Memory, Dual Channel 5300(OC) Mhz+ (MAX5800)
Quadruple M.2 Connectors: Maximum Onboard 4X M.2 Slots, Support The Latest Gen 4 Solution With Up To 64GB/S Bandwidth For Maximum Transfer Speed
Extreme Power Design: Direct 14+2 Phases With 90A Power Stage And Dual CPU Power Connectors To Unleash Your True Power
Premium Thermal Solution: Aluminum Cover With Additional Choke Thermal Pad Rated For 7W/Mk And PCB With 2Oz Thickened Copper Are Built For High Performance System And Non-Stop Gaming Experience

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Specs Overview

  • MEG B550 UNIFY-X
  • 7D13-007R
Release Date December 2020

* First availability for purchase, it may not correspond to the actual market launch date.

Socket AM4
Form factor ATX
Chipset AMD B550
Supported Memory DDR4:
1866Mhz 2133Mhz 2400Mhz 2666Mhz 2800Mhz 2933Mhz 3000Mhz 3200Mhz 3466Mhz 3600Mhz 3733Mhz 3866Mhz 4000Mhz 4133Mhz 4266Mhz 4400Mhz 4533Mhz 4600Mhz 4733Mhz 4800Mhz 4866Mhz 5000Mhz 5100Mhz
* High clock speeds may require enabling the XMP profile in the motherboard BIOS
** RAM support may also depend on the CPU memory controller
ECC RAM Support
Audio Chipset Realtek ALC1220P Codec
Audio Channels 7.1-Channel High Definition Audio
Supports S/PDIF output
LAN Chipset Realtek RTL8125B
Max LAN Speed 10/100/1000/2500Mbps
SLI Support
CrossFire Support
RAID Support
Back I/O Ports
  • 1 x HDMI
  • 1 x LAN (RJ45)
  • 1 x Optical S/PDIF Out
  • 1 x PS/2 Keyboard/Mouse Combo
  • 1 x USB 3.2 Gen 2 Type-C
  • 3 x USB 3.2 Gen 2 Type-A
  • 4 x USB 2.0/1.1
  • 5 x Audio Jacks
Wireless LAN
Wi-Fi Generation 6
PCI-Express x16 Slots 2
PCI-Express x4 Slots 0
PCI-Express x1 Slots 2
SATA 6 Gbps Ports 6
SATA Express Ports 0
M.2 Ports 4
RAM Slots 2
Maximum Supported RAM 64GB
Onboard USB 2.0 2
Onboard USB 3.2 Gen 1 1
Onboard USB 3.2 Gen 2 1

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