---
product_id: 525615846
title: "OUNA expanding board，CNC Shield V3.0 Expansion Board R3 Board 4*A4988 Driver 4 * 4401 Stepper Motor Kit with Heatsink USB Cable for 3D Printer"
brand: "ouna"
price: "C$7938"
currency: NIO
in_stock: true
url: https://www.desertcart.ni/products/525615846-ouna-expanding-board-cnc-shield-v3-0-expansion-board-r3
store_origin: NI
region: Nicaragua
---

# USB Connectivity Heatsink Included 4-Axis Support OUNA expanding board，CNC Shield V3.0 Expansion Board R3 Board 4*A4988 Driver 4 * 4401 Stepper Motor Kit with Heatsink USB Cable for 3D Printer

**Brand:** ouna
**Price:** C$7938
**Availability:** ✅ In Stock

## Summary

> 🚀 Elevate Your 3D Printing Game!

## Quick Answers

- **What is this?** OUNA expanding board，CNC Shield V3.0 Expansion Board R3 Board 4*A4988 Driver 4 * 4401 Stepper Motor Kit with Heatsink USB Cable for 3D Printer by ouna
- **How much does it cost?** C$7938 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ni](https://www.desertcart.ni/products/525615846-ouna-expanding-board-cnc-shield-v3-0-expansion-board-r3)

## Best For

- ouna enthusiasts

## Why This Product

- Trusted ouna brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Complete Kit:** Includes everything you need: 4 stepper motors, drivers, and USB cable!
- • **Versatile Control:** 4-Axis support allows for complex designs and custom firmware options.
- • **Enhanced Precision:** Utilizes removable Pololu A4988 drivers for superior stepper motor control.
- • **Seamless Integration:** Compatible with GRBL 0.8c for effortless G-code execution.
- • **Unleash Your Creativity:** Transform your ideas into reality with the latest CNC Shield V3.0!

## Overview

The OUNA CNC Shield V3.0 Expansion Board is a cutting-edge solution for 3D printing enthusiasts, featuring 4-axis support, compatibility with GRBL 0.8c, and a complete kit that includes stepper motors and drivers. With its user-friendly USB connectivity and efficient heat management, this board is designed to enhance your creative projects and streamline your workflow.

## Description

OUNA expanding board，CNC Shield V3.0 Expansion Board R3 Board 4*A4988 Driver 4 * 4401 Stepper Motor Kit with Heatsink USB Cable for 3D Printer

## Features

- 🍊Latest CNC Shield Version 3.0.
- 🍊GRBL 0.8c compatible. (Open source firmware that runs on an R3 board that turns G-code commands into stepper signals)
- 🍊4-Axis support. (X, Y, Z , A-Can duplicate X,Y,Z or do a full 4th axis with custom firmware using pins D12 and D13)
- 🍊2 x End stops for each axis (6 in total); Spindle enable and direction; Coolant enable.
- 🍊Uses removable Pololu A4988 compatible stepper drivers. (A4988, DRV8825 and others)

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Item Weight | 1.26 Kilograms |
| Package Dimensions | 27.4 x 9.4 x 8 cm; 1.26 Kilograms |
| Manufacturer reference | MAAE-XJ-230413-4357 |
| Color Name | Multicolor |
| Connector Type | USB |

## Images

![OUNA expanding board，CNC Shield V3.0 Expansion Board R3 Board 4*A4988 Driver 4 * 4401 Stepper Motor Kit with Heatsink USB Cable for 3D Printer - Image 1](https://m.media-amazon.com/images/I/71NyLiVHw6S.jpg)
![OUNA expanding board，CNC Shield V3.0 Expansion Board R3 Board 4*A4988 Driver 4 * 4401 Stepper Motor Kit with Heatsink USB Cable for 3D Printer - Image 2](https://m.media-amazon.com/images/I/51l+TQFZTQS.jpg)
![OUNA expanding board，CNC Shield V3.0 Expansion Board R3 Board 4*A4988 Driver 4 * 4401 Stepper Motor Kit with Heatsink USB Cable for 3D Printer - Image 3](https://m.media-amazon.com/images/I/61ukrthTqMS.jpg)
![OUNA expanding board，CNC Shield V3.0 Expansion Board R3 Board 4*A4988 Driver 4 * 4401 Stepper Motor Kit with Heatsink USB Cable for 3D Printer - Image 4](https://m.media-amazon.com/images/I/51ALBh8XsXL.jpg)
![OUNA expanding board，CNC Shield V3.0 Expansion Board R3 Board 4*A4988 Driver 4 * 4401 Stepper Motor Kit with Heatsink USB Cable for 3D Printer - Image 5](https://m.media-amazon.com/images/I/41exTuNnnmL.jpg)

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**Shop now:** [https://www.desertcart.ni/products/525615846-ouna-expanding-board-cnc-shield-v3-0-expansion-board-r3](https://www.desertcart.ni/products/525615846-ouna-expanding-board-cnc-shield-v3-0-expansion-board-r3)

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*Product available on Desertcart Nicaragua*
*Store origin: NI*
*Last updated: 2026-02-12*