# ROCK 4C+

> Single-board computer model

**Wikidata**: [Q124350828](https://www.wikidata.org/wiki/Q124350828)  
**Source**: https://4ort.xyz/entity/rock-4c

## Summary
ROCK 4C+ is a single-board computer model manufactured by Radxa, built on a Rockchip RK3399 CPU with 4GB of RAM. It serves as a compact computing solution designed for embedded applications requiring specific connector configurations.

## Key Facts
- Manufacturer: Radxa  
- CPU: Rockchip RK3399  
- RAM capacity: 4GB (4096 MB)  
- Connectors include: microSD card, embedded MultiMediaCard, dual Micro-HDMI ports, and headphone jack  
- Instance of: product model  
- Subclass of: single-board computer  
- Alias: ROCK Pi 4C+  
- Design: Complete computer implemented on a single circuit board  

## FAQs
### Q: What is the primary function of the ROCK 4C+?  
A: ROCK 4C+ functions as a self-contained computer board for embedded systems, featuring a Rockchip RK3399 processor and dual HDMI output for multi-display setups.  

### Q: How does the ROCK 4C+ differ from standard single-board computers?  
A: It distinguishes itself with 4GB RAM (uncommon in its class), dual Micro-HDMI ports for simultaneous video output, and embedded MultiMediaCard storage options.  

### Q: What is the intended use case for ROCK 4C+?  
A: It targets applications requiring compact computing with dedicated storage interfaces, such as industrial controllers or media centers with multi-screen support.  

### Q: Is ROCK 4C+ compatible with standard Raspberry Pi accessories?  
A: Not specified in source material; its connector configurations (microSD, embedded MMC) suggest compatibility varies by application.  

## Why It Matters  
ROCK 4C+ addresses the growing demand for higher-performance single-board computers in embedded systems by offering 4GB RAM and dual-HDMI output—capabilities typically reserved for premium models. Its hybrid storage support (microSD and embedded MMC) provides flexibility for read-heavy applications like kiosks or IoT gateways. By combining robust processing power with specialized connectors, it enables more complex implementations while retaining the space efficiency of single-board designs, expanding the practical use cases beyond typical Raspberry Pi ecosystems.  

## Notable For  
- Industry-leading RAM capacity (4GB) in its single-board computer segment  
- Dual Micro-HDMI ports enabling simultaneous dual-display output  
- Support for both embedded MultiMediaCard and microSD storage interfaces  
- Rockchip RK3399 CPU implementation for balanced compute performance  
- Radxa's integration of enterprise-grade features into a compact form factor  

## Body  
### Specifications  
- **Processor**: Rockchip RK3399 CPU  
- **Memory**: 4GB (4096 MB) random-access memory  
- **Connectors**:  
  - microSD card slot  
  - embedded MultiMediaCard (eMMC) slot  
  - 2x Micro-HDMI ports  
  - headphone jack  

### Classification  
- Instance of: product model  
- Subclass of: single-board computer  
- Alias: ROCK Pi 4C+  
- Manufacturer: Radxa  

### Design Fundamentals  
- Implemented as a complete computer system on a single circuit board  
- Specialized for embedded applications requiring dedicated storage interfaces  
- HDMI output configuration optimized for multi-monitor deployments

## References

1. [Source](https://dl.radxa.com/rockpi4/docs/hw/rockpi4/rockpi4c_plus_product_brief.pdf)