It is likely you are looking for the paper , which details a critical vulnerability class in embedded MultiMediaCard (eMMC) controllers.

Q: What is Postal3 EMMC? A: Postal3 EMMC is a next-generation storage solution that offers high-capacity storage, fast performance, and low power consumption.

First, a critical clarification:

Postal3 EMMC is a next-generation storage solution that builds upon the existing EMMC technology. It offers significant improvements in terms of performance, capacity, and power consumption. Postal3 EMMC is designed to meet the growing demands of modern applications, including artificial intelligence, machine learning, and the Internet of Things (IoT).

| Storage Solution | Capacity | Read Speed | Write Speed | Power Consumption | | --- | --- | --- | --- | --- | | Postal3 EMMC | up to 512GB | up to 400MB/s | up to 200MB/s | low | | Traditional EMMC | up to 128GB | up to 200MB/s | up to 100MB/s | moderate | | Hard Disk Drive (HDD) | up to 10TB | up to 200MB/s | up to 100MB/s | high | | Solid-State Drive (SSD) | up to 16TB | up to 500MB/s | up to 500MB/s | moderate |

The main controller board that connects to your computer via USB.