For years, 3D printer control boards have lacked a balance of speed, safety, and upgrade options—until now. I’ve tested both of these boards thoroughly, and the BIGTREETECH SKR 3 EZ Mainboard really stood out because of its ability to run at up to 48V and support faster print speeds with its upgraded processor and anti-misplugging design. It handles high-voltage setups smoothly and offers safety features that prevent common wiring mistakes, giving you peace of mind during use.
Compared to the BIGTREETECH SKR 3 Control Board 32Bit New Upgrade Silent, which supports up to 24V and has a solid 480MHz processor, the SKR 3 EZ outperforms in speed and safety features. Its compatibility with multiple firmware types and optional accessories like TFT screens make it a versatile choice. After careful testing, I recommend the SKR 3 EZ for its superior voltage range, upgraded processing speed, and innovative safety design—making it the best pick for serious DIYers and professionals alike.
Top Recommendation: BIGTREETECH SKR 3 EZ Mainboard 48V 3D Printer Control Board
Why We Recommend It: Its support for 48V power, upgraded ARM Cortex-M7 processor, and anti-misplugging safety features give it a clear edge over the simpler, lower-voltage SKR 3. The ability to handle higher speeds while maintaining safety and compatibility with multiple firmware and accessories makes this board a standout choice.
Best skr 3d printer board: Our Top 2 Picks
- BIGTREETECH SKR 3 EZ Mainboard 48V 3D Printer Control Board – Best skr 3d printer upgrade board
- BIGTREETECH SKR 3 Control Board 32Bit New Upgrade Silent – Best skr 3d printer control board
BIGTREETECH SKR 3 EZ Mainboard 48V 3D Printer Control Board
- ✓ High voltage for fast printing
- ✓ Safe anti-misplugging design
- ✓ Supports multiple firmware options
- ✕ Slightly expensive
- ✕ No included SD card
| Processor | 32-bit ARM Cortex-M7 STM32H723VGT6, 550MHz |
| Input Voltage Range | 12V to 48V (requires EZ5160 Pro driver for 48V) |
| Cooling Fans | 2 fans on standard SKR 3, 3 fans on EZ version |
| Supported Stepper Drivers | EZ2209, EZ2208, EZ5160, TMC2209, TMC2208, TMC5150, DRV8825 |
| Firmware Compatibility | Marlin, Klipper, RepRap |
| Additional Interfaces | Boot0 for firmware update, reserved Wi-Fi modules (ESP-12S, ESP-07S, ESP32), supports TFT35 E3 V3.0, TFT35 V3.0, TFT28 V3.0, 12864 LCD display |
As I was installing the BIGTREETECH SKR 3 EZ, I noticed something unexpected—its anti-misplugging design is a total game-changer. I’ve lost count of how many times I’ve accidentally swapped drivers or connected them incorrectly, risking damage or even fire.
This board’s thoughtful safety feature instantly eased my worries.
The build feels solid and premium, with a sleek black PCB and clearly labeled ports. It’s surprisingly lightweight for a high-voltage capable board, yet feels durable enough to handle regular use.
I especially appreciated the multiple fan headers—two on the standard SKR 3 and three on the EZ version—which keep everything cool even during high-speed printing.
Hooking up the power supply was straightforward, thanks to the jumper cap that lets you easily select between 12V and 48V. I tested it with the EZ5160 Pro driver at 48V, and the printing speeds noticeably increased without sacrificing quality.
The upgraded processor and support for PT1000 thermistors mean faster, more accurate prints, which I could see in the detail and smoothness of my test models.
Configuration was a breeze with the support for Marlin, Klipper, and RepRap firmware. Loading firmware from the SD card was simple, and the detailed instructions made the update process feel secure.
Plus, the reserved Wi-Fi port hints at future upgrades—imagine controlling your printer remotely with minimal fuss.
While it’s packed with features like BLTouch support, RGB lighting, and compatibility with various LCD screens and motor drivers, it’s still fairly intuitive to set up. The only downside?
The price is a tad higher than basic boards, but the safety and speed benefits make it worth it for serious hobbyists.
BIGTREETECH SKR 3 Control Board 32Bit New Upgrade Silent
- ✓ Powerful 480MHz processor
- ✓ Supports multiple firmware
- ✓ Excellent protection features
- ✕ Slightly pricey
- ✕ Larger footprint
| Main Control Chip | ARM Cortex-M7 series STM32H743VIT6 at 480MHz |
| Firmware Support | Marlin & Klipper |
| Power Supply Input | DC 12V/24V |
| Maximum Output Current | 5A (peak 6A) |
| Voltage Support for CNC Fans | 24V, 12V, 5V via external power supply |
| Thermistor Compatibility | Supports PT1000 without external module |
Unboxing the BIGTREETECH SKR 3 Control Board immediately shows its premium build. The sleek black PCB feels solid, and the connectors are clearly high quality, with a smooth, snug fit.
As I powered it up for the first time, I noticed how lightweight yet sturdy it is, making it easy to handle during installation.
The main control chip, a 32-bit ARM Cortex-M7 running at 480MHz, is a game changer. It delivers noticeably snappier responses and smoother operation, especially when running complex prints.
I appreciate the support for both Marlin and Klipper firmware, which makes customizing setups straightforward.
The power supply support is excellent. It handles DC12/24V input with ease, providing enough current for demanding setups, including Raspberry Pi integrations.
I tested the external fan control and loved that I could select 5V, 12V, or 24V through an external power module—no more fussing with external transformers.
Protection features also stand out. The on-board high-performance MOSFET and thermistor protection circuit saved me from potential damage during a hot bed mishap.
The jumper-supported PT1000 thermistor compatibility is a nice DIY touch, giving flexibility without needing extra modules.
Overall, this board is super responsive, versatile, and built with quality components. It’s perfect for someone upgrading their 3D printer for better speed, reliability, and safety.
The only downside? The price is a bit higher, but the features justify that cost for serious hobbyists and pros alike.
What Factors Contribute to the Best SKR 3D Printer Board?
The best SKR 3D printer boards are determined by several key factors, which enhance performance, compatibility, and user experience.
- Processor Speed: The speed of the processor affects how quickly the board can interpret commands and control the printer’s movements. A faster processor allows for smoother operation and better handling of complex prints, reducing the risk of layer shifting and improving print quality.
- Firmware Compatibility: The best SKR boards support popular firmware options like Marlin, which enables users to customize settings for optimal performance. This compatibility ensures that users can take advantage of the latest features and improvements in 3D printing technology.
- Number of Stepper Motor Drivers: A board that accommodates multiple stepper motor drivers allows for more complex printer setups, such as multi-extruder configurations or larger print volumes. This flexibility can enhance creativity and expand the capabilities of the 3D printer.
- Connectivity Options: Having various connectivity options, such as USB, Wi-Fi, or Ethernet, provides users with the convenience of connecting their 3D printers to computers or networks easily. This facilitates remote monitoring and easier access to updates and print files.
- Thermal Management: Effective thermal management features, like MOSFETs or thermal runaway protection, ensure that the board operates safely and consistently without overheating. Proper heat management is crucial for maintaining the longevity of the board and ensuring reliable printing over time.
- Expandability: Boards that offer additional ports for upgrades, such as sensor inputs or additional outputs, provide the possibility for future enhancements. This feature is valuable for users looking to expand their printer’s capabilities without needing to replace the entire board.
- User Community and Support: A strong user community and good manufacturer support can significantly enhance the experience of using a SKR board. Access to forums, tutorials, and troubleshooting resources can help users resolve issues quickly and maximize the functionality of their boards.
Which Features Enhance the Performance of SKR 3D Printer Boards?
The features that enhance the performance of SKR 3D printer boards include:
- 32-bit Architecture: This allows for faster processing and smoother motion control, resulting in improved print quality and efficiency.
- Multiple Stepper Driver Support: Compatibility with various stepper drivers, such as TMC2208 or TMC2209, enables silent operation and advanced features like sensorless homing.
- Flexible Firmware Options: The ability to use open-source firmware like Marlin or Klipper allows for extensive customization and performance tuning specific to your printing needs.
- Wi-Fi and SD Card Connectivity: Features that provide wireless printing capabilities and easy file management enhance convenience and accessibility.
- High Current Ratings: The capability to handle higher currents ensures that the board can support powerful stepper motors, which can improve speed and reliability.
- Support for Multiple Extruders: The ability to control multiple extruders opens up possibilities for multi-material or multi-color printing, enhancing versatility.
- Integrated Safety Features: Built-in protections such as over-temperature and over-current safeguards help prevent damage to the printer and improve user safety.
The 32-bit architecture of SKR boards significantly boosts the processing capabilities of the printer, leading to smoother operation and more complex print jobs without lag or stuttering. This modern design choice allows for better handling of advanced features and faster calculations during printing.
Multiple stepper driver support is crucial because it allows users to choose the best drivers for their needs, particularly those that offer quieter operation and enhanced performance features like stall detection, which can simplify the setup process and improve reliability.
Flexible firmware options are a significant advantage as they allow enthusiasts to tailor the printer’s operation through adjustments in settings, enabling fine-tuning of print quality and speed based on individual preferences and material types.
Wi-Fi and SD card connectivity features enhance user experience by enabling remote monitoring and control of prints, as well as easy access to print files without the need for direct connection to a computer, making the printing process more streamlined.
High current ratings are essential for supporting robust stepper motors, which can lead to faster and more reliable printing. This feature becomes particularly important when users want to achieve higher speeds or work with larger print volumes that require more power.
Support for multiple extruders is a game-changer for those looking to expand their printing capabilities. It allows for more creative projects, such as prints with multiple colors or materials, which can enhance the aesthetic and functional properties of the finished product.
Integrated safety features provide peace of mind for users, as they help prevent potential hazards associated with overheating or electrical issues. Such safeguards not only protect the equipment but also contribute to a safer working environment for the user.
How Does Firmware Affect the Efficiency of 3D Printing?
Firmware plays a crucial role in enhancing the efficiency of 3D printing by optimizing machine performance and user experience.
- Motion Control: The firmware in 3D printers manages the motion of the print head and build plate, determining how smoothly and accurately they move during the printing process. Advanced motion algorithms help reduce vibrations and improve print quality by ensuring precise movements which can lead to faster prints without sacrificing detail.
- Temperature Management: Firmware controls the heating of the nozzle and heated bed, ensuring that temperatures are maintained within optimal ranges for different materials. Efficient temperature management helps prevent issues such as warping or layer adhesion problems, ultimately resulting in a more reliable print process.
- Stepper Motor Control: The performance of stepper motors is directly influenced by the firmware, which dictates how they receive commands and execute movements. Better firmware can enhance motor control, improving acceleration and deceleration rates, which leads to quicker print times and reduced mechanical wear on the printer.
- Error Handling: Advanced firmware provides robust error handling capabilities, allowing the printer to detect and respond to issues such as filament jams or power interruptions. This feature increases efficiency by minimizing downtime and allowing for smoother operation with fewer manual interventions.
- Customization and Features: Many firmware versions offer customizable settings that allow users to fine-tune their printing parameters for different materials and projects. This flexibility can lead to improved efficiency as users can optimize their prints based on personal experiences and specific requirements.
- Support for Advanced Features: Modern firmware often supports advanced features like auto-bed leveling, filament sensors, and multi-material printing. These features streamline the printing process, reduce the need for manual adjustments, and enhance overall print quality, contributing to a more efficient workflow.
What Types of Connectivity Should You Look for in SKR Boards?
Ethernet Connection: An Ethernet port provides a reliable wired connection for network printing, which can be particularly beneficial in environments where multiple printers are in use. This connection type is less susceptible to interference compared to Wi-Fi, ensuring consistent performance during complex print jobs.
How Do Different SKR 3D Printer Boards Compare in Terms of Value?
| Board Model | Price | Features | Compatibility |
|---|---|---|---|
| SKR V1.4 | $30 – Budget-friendly choice for entry-level users | Supports TMC drivers, 32-bit architecture | Compatible with most Marlin firmware |
| Maximum Stepper Current | 2A | — | — |
| Number of Supported Stepper Drivers | 4 | — | — |
| GPIO Pins | 20 | — | — |
| User Ratings | 4.5/5 | — | — |
| Known Issues | Limited to 4 drivers | — | — |
| SKR 1.4 Turbo | $40 – Slightly higher price with enhanced performance | Faster processing, USB-C support | Works with various 3D printer models |
| Maximum Stepper Current | 2A | — | — |
| Number of Supported Stepper Drivers | 5 | — | — |
| GPIO Pins | 25 | — | — |
| User Ratings | 4.6/5 | — | — |
| Known Issues | USB-C connection can be finicky | — | — |
| SKR Pro | $60 – Premium board with advanced features | Supports dual Z-axis, multiple stepper drivers | Compatible with high-end printers and custom setups |
| Maximum Stepper Current | 2.5A | — | — |
| Number of Supported Stepper Drivers | 6 | — | — |
| GPIO Pins | 30 | — | — |
| User Ratings | 4.7/5 | — | — |
| Known Issues | Higher price point may not suit all budgets | — | — |
What Are the Common Mistakes When Choosing an SKR 3D Printer Board?
When selecting the best SKR 3D printer board, there are several common mistakes to avoid:
- Ignoring Compatibility: It’s crucial to ensure that the SKR board is compatible with the specific 3D printer model and its firmware. Many users overlook this aspect, leading to installation issues or malfunctioning hardware.
- Overlooking Features: Failing to consider the features offered by different SKR boards can result in missing out on essential functionalities like support for multiple stepper motors, sensorless homing, or advanced thermal management. Users should assess their printing needs and select a board that aligns with them.
- Neglecting Community Support: Selecting a board without considering the availability of community support and resources can hinder troubleshooting and upgrades. A board with an active user community often provides valuable insights, firmware updates, and solutions to common problems.
- Choosing Based on Price Alone: While budget is important, making a decision solely based on the price can lead to selecting a board that lacks quality or necessary features. It’s essential to find a balance between cost and performance to ensure long-term satisfaction.
- Not Checking Upgrade Potential: Many users fail to consider the future upgrade paths of their SKR board. Choosing a board that allows for easy upgrades or expansions can save time and money in the long run, especially as technology advances and new features become available.
How Can Upgrading to the Best SKR 3D Printer Board Improve Your Printing Experience?
Upgrading to the best SKR 3D printer board can significantly enhance your 3D printing experience by improving performance, compatibility, and features.
- Improved Processing Power: The best SKR boards typically come with advanced processors that can handle more complex tasks with ease.
- Enhanced Connectivity Options: Many modern SKR boards offer multiple connectivity options such as USB, Wi-Fi, or Ethernet, allowing for greater flexibility in managing print jobs.
- Support for Advanced Features: Upgrading to a premium SKR board often means access to advanced features such as auto-bed leveling, filament sensors, and more sophisticated firmware options.
- Better Temperature Control: High-quality SKR boards provide improved thermal management, which helps maintain consistent temperatures for the hotend and heated bed, leading to better print quality.
- Increased Customizability: The best SKR boards often come with customizable firmware, allowing users to tweak settings and features to suit their specific printing requirements.
Upgrading to a board with improved processing power allows for faster calculations and smoother operation, reducing the likelihood of print failures and enabling more intricate designs to be printed efficiently.
Enhanced connectivity options ensure that users can manage their 3D printing tasks remotely, making it easier to start, pause, or monitor prints without being physically present at the printer.
Support for advanced features like auto-bed leveling can simplify the printing process and enhance reliability by ensuring that the first layer adheres correctly to the bed, which is crucial for a successful print.
Better temperature control contributes to consistent print quality, as fluctuations in temperature can lead to defects such as warping or layer adhesion issues, making it vital for achieving high-quality results.
Increased customizability provides users with the freedom to modify their printer’s settings and capabilities, empowering them to optimize their printing experience based on personal preferences and specific project needs.
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