6 Pin Micro Match female PCB connector, 1.27mm pitch, red, 1.5A per pin. This connector is used as the I2C and SPI connectors found on most new Modtronix SBC boards (SBC28PC, SBC44B...). It mates with the Micro Match 6 pin Male-On-Wire connector. The AMP product code for this connector is 7-215079-6.
For an overview of the Micro Match connectors there is a good introduction here.
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