Rock3/hardware/models
Radxa ROCK 3 > Hardware > Models & SKU
There are two models of ROCK 3, model A and model B. Model A is a stripped down version of model B in smaller size and less features. Model A comes in 2GB, 4GB, 8GB ram and Model B come in 4GB, 8GB ram.
- U variant: USB signal on GPIO PIN 25&27 instead of I2C
| Model | SKU | RAM | GPIO 25&27 | Note |
|---|---|---|---|---|
| ROCK 3A 2GB | RS117-D2 | 2GB | I2C | 🔴 |
| ROCK 3A 2GB with USB export | RS117-D2U | 2GB | USB | 🔴 |
| ROCK 3A 4GB | RS117-D4 | 4GB | I2C | 🟠 |
| ROCK 3A 4GB with USB export | RS117-D4U | 4GB | USB | 🟠 |
| ROCK 3A 8GB | RS117-D8 | 8GB | I2C | 🟡 |
| ROCK 3A 8GB with USB export | RS117-D8U | 8GB | USB | 🟡 |
| ROCK 3B 4GB | RS118-D4 | 4GB | I2C | 🟢 |
| ROCK 3B 8GB | RS118-D8 | 8GB | I2C | ⚫️ |