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patrickelectric merged 1 commit into from
Oct 27, 2025
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content: installation: cover SD card class recommendations #63

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5 changes: 5 additions & 0 deletions content/usage/installation.md
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Expand Up @@ -21,6 +21,11 @@ It is compatible with **Raspberry Pi 3**, **4**, and **5**.

[![Latest Beta](https://img.shields.io/github/v/tag/bluerobotics/blueos.svg?label=Latest%20Beta)![Date](https://img.shields.io/github/release-date-pre/bluerobotics/blueos?label=Date)](https://github.com/bluerobotics/blueos/releases)

{% note() %}
SD cards come in a variety of speed and performance classes, to suit different applications. As an operating system, **BlueOS should be run using a card with _at least_ an A1 [Application Performance Class](https://en.wikipedia.org/wiki/SD_card#Performance_ratings)**, to avoid degraded performance and system throttling.<br><br>
Critical use-cases are recommended to use A2 cards, and systems intended for onboard recording of one or more video streams should use cards with a suitable [Video Speed Class](https://en.wikipedia.org/wiki/SD_card#Video_speed_class_(V)) rating (and appropriate total capacity) for the expected sustained data rates and file sizes.
{% end %}

Recommended operating system images of the latest stable version can be downloaded here:

| Board Hardware | Image File (with Base OS) | Notes |
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