The Coral M.2 Accelerator A+E key with Edge TPU integrates an Edge TPU into existing computer systems using an M.2 A-key or E-key interface.

This makes this Edge TPU module particularly well suited for mobile and embedded systems that can benefit from accelerated machine learning.

The Edge TPU coprocessor is capable of performing 4 trillion operations per second (4 TOPS) with 2 watts of power consumption. For example, advanced mobile vision models such as MobileNet v2 can run efficiently at close to 400 FPS.

The M.2 accelerator with A+E key is supported on Debian Linux based systems as well as Windows 10 systems.

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Tech Specs

Coral M.2 accelerator (A/E Key): A PCIe device that enables easy integration of the Edge TPU into existing systems.


  • Google Edge TPU ML accelerator coprocessor
  • 4 TOPS (int8); 2 TOPS per Watt

Interface & software support:

  • Interface: M.2 A+E-key (via PCIe Gen2 x1 lane)
  • Supports Linux, and Windows 10 on the host system

Other information:

  • Dimensions: 22 mm x 80 mm x 2.35 mm (M.2-2280-A-E-S3)
  • Weight: 5.8 g
  • Operating temperature: -20 to + 85°C

Host system requirements:


  • 64-bit Linux Debian 10.0 / Ubuntu 16.04 (or newer)
  • CPU: x86-64, or ARMv8 (64-bit)

or Windows:

  • Windows 10 (64-bit),
  • x86-64 CPU

Important hints

Please refer to the datasheet for peak current requirements (up to 3 A for the Edge TPU), as well as thermal management. The Edge TPU contains a built-in temperature sensor and allows you to configure parameters when it should shut down.

Warning: Overheating of the system can lead to fire or destruction of hardware!

Potential for industrial applications

The Coral Edge TPU is a revolutionary product for machine learning applications! It enables embedded solutions that can, for example, detect problems with workpieces, recognize traffic situations, and much more.


Google part number: G650-04527-01

Asus part number: 90AN00I0-B0XAY0

Google model: RA1

Reseller information

Our Coral M.2 Accelerator (A/E Key) Resellers

Global Resellers

Germany, Austria and Switzerland (Österreich)

Additional Legal Information

The products offered by Google are unrelated to the products offered under the CORAL trademarks owned by Orient Development Enterprises Ltd. in Taiwan.