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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


    ⚠️Note⚠️ 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 and where can I find the slot?

  • Slot  Interface Dimensions   Key(s)   Hints
    1 PCIe oder SATA 2260, 2280 B key & M key  
    2   2230 E key WLAN only

    The M.2 slot is covered by the graphics card. This must therefore first be removed in order to install an M.2 SSD.

    You will need a screw with a metric M2 thread and a length between 2.5 mm and 3.0 mm. The head should have a diameter of 4 mm to a maximum of 5 mm. If the screws are not available in local specialist shops, you can find them in online shops.
  • What is the front pin assignment for the mainboard?

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



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Last update:
‎26.07.2023 10:56
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