FAQs: Specifications Mainboard "ECS P2A4-EM B350"

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FAQs: Specifications Mainboard ECS P2A4-EM B350

MSN: 20063922, 20064115

• Which processors (CPUs) can be used?

• Ryzen 5 and Ryzen 7 CPUs with a maximum TDP of 95 watts can be installed. Ryzen 3 are also possible, but they limit the M.2 PCIe connection to 2 PCIe lines.

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

• There are two memory slots on the mainboard that holds 16 GB RAM. The maximum capacity is therefore 32 GB.

  Modul:	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?

• Slot	Interface	Size	Key(s)	Hints
  1	Sata, PCIe	2260, 2280	B, M
  2		2230	E	only WLAN

  
  If a Ryzen 3 is installed, the M.2 PCIe connection is limited to two PCIe lines.
  
  ⚠️Note⚠️ For the fastening you 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 and be flat. If the screws are not available in local shops, you can find them in online shops.

• What is the front pin assignment for the mainboard?

• The front PIN assignment can be taken from the illustration.

  
  

• Is TPM 2.0 available for Windows 11?

• TPM 2.0 is available. However, whether Windows 11 can be installed also depends on the installed CPU. Here you can find a list of Windows 11 compatible AMD processors.

  Further Windows 11 requirements are listed in the FAQ: What are the system requirements for Windows 11?

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Review Date: 2025-08-15