DFI M.2-COM4 M.2 Serial Port Module Card


  • Port: RS232/RS422/RS485
  • Mode: RS232/422/485 Selected by SW
  • Interface: PCIe x1
  • Form Factor: M.2 B-M key


The DFI M.2-COM4 is a M.2 Serial Port Module Card. This card features RS232/RS422/RS485 functions with DB9 connector alongside a power input of 3.3V via M.2 connector. This module has an operating temperature of -40°C to 85°C.


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Packing List

-1 M.2 serial port module-4 COM port cable (Length: 250mm): A81-017001-001G
I/O Connectors

RS232/RS422/RS485 functions with DB9 connector.

Power Input 3.3V via M.2 connector
Applied Models All DFI systems and boards with M.2 interface
Temperature Operating: -40°C to 85°C, Storage: -40°C to 85°C
Humidity 5% to 90%
Form Factor M.2 B-M Key 22mm x 80mm (4 ports)
Regulation CE/FCC class B/RoHS

Delivery Information

Orders dispatched from Assured Systems USA will be delivered using FedEx.

Payment Methods & Options

Accepted payment methods for US customers include bank transfer, VISA or Mastercard in USD.

DFI: Warranty and Service Information

We offer a comprehensive 2 year warranty on all DFI products sold and distributed within the EMEA when purchased directly from Assured Systems. We are proud to be an official DFI partner and can distribute products with secure and certified delivery directly from our UK centre.

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