# Libre Computer Solitude

> Libre Computer Solitude (AML-S905D3-CC) — Amlogic S905D3 quad-core Cortex-A55 SBC with 2/4GB LPDDR4, 1.2 TOPS NPU, 4× USB 3.0, Gigabit Ethernet with PoE, and 4K HDR HDMI 2.0 in a Pi-compatible layout.

## Quick Facts

- **Brand:** Libre Computer
- **Board Type:** Single Board Computer
- **Price:** ~$45
- **Product Readiness:** consumer
- **CPU:** Amlogic S905D3
- **CPU Architecture:** ARM Cortex-A55
- **CPU Cores:** 4
- **RAM:** 2GB/4GB LPDDR4
- **Flash:** MicroSD,eMMC 5.x
- **USB:** 4× USB 3.0 Type-A,USB-C 2.0 OTG
- **Power:** 5V/3A USB-C
- **Operating Voltage:** 3.3V
- **SD Card:** MicroSD UHS SDR104

## Connectivity

- **Ethernet:** Gigabit

## Open Source

- **Firmware:** No
- **Schematics:** Yes
- **PCB Layout:** No

## Compatible Firmware

Ubuntu, Debian, Armbian, Mainline Linux

## Use Cases

- Media Center
- Home Server
- IoT Gateway
- AI/ML Inference
- Single Board Computing

## Components

- **Amlogic S905D3** (SoC): Quad Cortex-A55 @ 2.016GHz with integrated 1.2 TOPS NPU — [Datasheet](https://openhardware.directory/r?to=https%3A%2F%2Fdn.odroid.com%2FS905D3%2FODROID-C4%2FAmlogic_S905D3_Datasheet_V0.2_Provisional.pdf&ref=openhardware.directory&product=libre-computer-solitude&source=md-export)
- **Mali-G31 MP2** (GPU): OpenGL ES 3.2, Vulkan 1.1, OpenCL 2.0 — [Datasheet](https://openhardware.directory/r?to=https%3A%2F%2Fdeveloper.arm.com%2FProcessors%2FMali-G31&ref=openhardware.directory&product=libre-computer-solitude&source=md-export)
- **Amlogic NPU** (NPU): Integrated NPU for lightweight AI/ML inference — [Datasheet](https://openhardware.directory/r?to=https%3A%2F%2Fdn.odroid.com%2FS905D3%2FODROID-C4%2FAmlogic_S905D3_Datasheet_V0.2_Provisional.pdf&ref=openhardware.directory&product=libre-computer-solitude&source=md-export)
- **Amlogic AVE10** (Video Decoder): H.265/H.264/VP9/JPEG 4K decode — [Datasheet](https://openhardware.directory/r?to=https%3A%2F%2Fdn.odroid.com%2FS905D3%2FODROID-C4%2FAmlogic_S905D3_Datasheet_V0.2_Provisional.pdf&ref=openhardware.directory&product=libre-computer-solitude&source=md-export)

## Protocols

- **HDMI 2.0**
- **USB 3.0**
- **USB 2.0**
- **I2C**
- **SPI**
- **UART**
- **PWM**
- **SPDIF**
- **IR**

## Description

# Libre Computer Solitude (AML-S905D3-CC)

The Solitude is a power-efficient SBC from Libre Computer, powered by the Amlogic S905D3 with four Cortex-A55 cores at 2.016GHz. It includes a 1.2 TOPS NPU for lightweight AI inference and offers excellent connectivity with 4× USB 3.0 and Gigabit Ethernet.

## Key Features

- **Quad-core Cortex-A55** at 2.016GHz with crypto extensions
- **1.2 TOPS NPU** for AI/ML inference
- **Mali-G31 MP2 GPU** with OpenGL ES 3.2, Vulkan 1.1, OpenCL 2.0
- **2GB or 4GB LPDDR4** RAM options
- **4× USB 3.0** Type-A ports via hub
- **4K HDR** output via HDMI 2.0
- **Gigabit Ethernet** with optional PoE
- **Ultra-low power** — 5W full load, <1.5W idle
- **Pi-compatible** 40-pin GPIO in 85×56mm form factor

## Software Support

Supported by mainline Linux, Ubuntu, Debian, and Armbian. 10-year hardware and 15-year software lifecycle commitment.

## Where to Buy

- [Libre Computer](https://openhardware.directory/r?to=https%3A%2F%2Flibre.computer%2Fproducts%2Faml-s905d3-cc%2F&ref=openhardware.directory&product=libre-computer-solitude&source=md-export)

## Resources

- [product](https://openhardware.directory/r?to=https%3A%2F%2Flibre.computer%2Fproducts%2Faml-s905d3-cc%2F&ref=openhardware.directory&product=libre-computer-solitude&source=md-export)

## Tags

`sbc`, `single-board-computer`, `amlogic`, `s905d3`, `npu`, `ai`, `4k`, `hdr`, `poe`, `arm`, `cortex-a55`, `raspberry-pi-compatible`, `libre-computer`

## Images

![Libre Computer Solitude](https://nbg1.your-objectstorage.com/openhardware-directory/entities/libre-computer-solitude/d30822a47c3e.webp)
![Libre Computer Solitude](https://nbg1.your-objectstorage.com/openhardware-directory/entities/libre-computer-solitude/d0bc249f213a.webp)

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