Alcor Au89103aa1 |top| Jun 2026

The AU89103AA1 is a high-performance integrated circuit manufactured by Alcor Micro

To achieve the maximum 985 MB/s, you need an SD Express card (e.g., Sandisk or Lexar models), a USB 3.2 Gen 2 host port (usually Type-C or blue Type-A with "10" marking), and a high-quality cable/PCB layout. Many budget enclosures using this chip bottleneck at the PCB trace design. alcor au89103aa1

Unlike older USB 2.0 or even USB 3.2 Gen 1 (5 Gbps) controllers, the AU89103AA1 is designed for the modern era of high-bitrate video recording (4K/8K) and high-resolution photography. Sandisk or Lexar models)