Official AI HAT+ V2 for Raspberry Pi 5 40TOPS - SC2166

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*Disclaimer: The images are merely illustrative.

The Raspberry Pi AI HAT+ 2 adds local generative AI capability to Raspberry Pi 5, making it possible to run large language models (LLMs) and vision-language models (VLMs) directly on the board. Built around the Hailo-10H AI accelerator and equipped with 8GB of dedicated on-board RAM, it allows demanding AI workloads to run locally while leaving the host Raspberry Pi 5 free for other processing.

The Hailo-10H accelerator delivers 40 TOPS of INT4 inferencing performance, with computer vision performance comparable to the original 26 TOPS Raspberry Pi AI HAT+. This level of performance is suited to running generative AI and vision-based models efficiently, using the sample models provided by Hailo, or create your own custom-trained models for tasks such as speech-to-text, translation, and visual scene analysis.

The Raspberry Pi AI HAT+ 2 connects via the Raspberry Pi 5’s PCI Express interface and is automatically detected when running an up-to-date Raspberry Pi OS image. It integrates directly with Raspberry Pi’s camera software stack, allowing supported rpicam-apps post-processing tasks to make use of the accelerator without additional configuration.

The board conforms to the Raspberry Pi HAT+ specification and is supplied with an optional* HAT heatsink, plus a 16mm stacking header, spacers, and screws for fitting on a Raspberry Pi 5 with the Raspberry Pi Active Cooler installed.

*Whilst the heatsink supplied is optional, users running benchmarks or very intensive AI workloads are advised to install it to prevent thermal throttling.

Features

1. Hailo-10H AI accelerator delivering 40 TOPS (INT4) inferencing performance

2. Runs generative AI models efficiently using 8GB on-board RAM

3. Performance for computer vision models comparable to the Raspberry Pi AI HAT+ (26 TOPS)

4. Fully integrated into Raspberry Pi’s camera software stack

5. Conforms to Raspberry Pi HAT+ specification

6. Compatible with Raspberry Pi 5 only (requires PCIe interface)

Resources

1. Raspberry Pi AI HAT+ 2 Documentation

2. Raspberry Pi AI HAT+ 2 announcement blog post

3. Product brief

4. AI HAT+ 2 Product Information Portal (PIP)

5. Hailo applications GitHub repo

6. Product number: Raspberry Pi SC2166

7. Weight: 19g (board)

Package Contents

1. 1x Raspberry Pi AI HAT+ 2

2. 1x PCIe flex cable (pre-installed to the HAT)

3. 1x 16mm stacking GPIO header

4. 1x Heatsink

5. Fixings:

   1. 4x 16mm black nylon standoffs/spacers

   2. 4x 5mm M2.5 black nylon screws

   3. 4x 8mm M2.5 black nylon screws

Raspberry Pi and camera module not included