Showing results for 
Search instead for 
Did you mean: 

FAQ: Specifications Mainboard "ECS B550A4-EM 3X00".

FAQs about the mainboard ECS B550A4-EM 3X00

MSN 20067068

  • Which processors (CPUs) can be used?

  • Processors from the Ryzen 3000 series can be installed.

  • What is the maximum amount of working memory (RAM) that can be installed ?

  • There are 2 memory slots on the mainboard each with 16 GB RAM. The maximum capacity is therefore 32 GB.


    Module: 288-Pin DIMM
    Type: SDRAM-DDR4
    Speed: 2666 MHz
    Voltage: 1.2 V
    Feature: no ECC Support


    Please note that in the 32-bit editions of Windows operating systems a maximum of about 3.2 GB memory is detected.You can find more information about this on the Microsoft website.

  • Which M.2 cards can be used?

  • Slot Interface Dimensions Key(s) Hints
    1 PCIe oder SATA 2260, 2280 B key & M key  
    2   2230 E key WLAN only
  • What is the front pin assignment for the mainboard?

  • The front pin assignment can be seen in the figure.



Version history
Last update:
‎21.09.2020 14:42
Updated by:
Labels (2)