Support for external eMMC for Jetson Orin AGX

Hi Team,

Our customer wants to expand storage in the system since Jetson AGX Orin offers only a 64GB internal memory option. Apart from NVMe SSD and micro-SD, Can Orin support eMMC interface via SDMMC exposed for micro-SD?

We are asked to check if an external eMMC can be added to the board. It looks like both the SDMMC interface inside Orin can support eMMC as per TRM. But we also noted that dual eMMC is not supported (since Orin AGX already has a eMMC chip inside).


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Question
Can we consider that Orin does not support external eMMC?
Our main objective is to have at least 256GB of storage.

The external eMMC is not supported per Design Guide

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