BIGTREETECH SKR 1.4 Turbo 32 bit high-Frequency Control Board for 3D Printers

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  • Regular price $29.99

Part Number: SKR14T

The SKR 1.4 Turbo is a high-frequency 32 bit control board, available at a wallet friendly price point. It offers the same high end hardware components, open source Marlin firmware and feature rich expansion ports, while costing a fraction of similar products on the market.

It's equipped with a blazing fast 32 bit ARM Cortex M3 processor, open driver sockets, and plenty of add-on options for convenience.

The SKR 1.4 Turbo control board uses the latest Marlin 2.0 open source firmware, load your own custom build right from the SD card. No burning a bootloader or flashing firmware over USB, the process is entirely automated.

SKR 1.4 Turbo Hardware

The SKR 1.4 Turbo control board is packed with the latest hardware components, firmware and features, making it one of the most advanced solutions on the market at a budget friendly price point.


32 Bit ARM Cortex Processor
BigTreeTech SKR 1.4 Turbo 32 Bit Processor

This powerful 32 bit ARM Cortex M3 processor boasts a peak operating frequency of 120Mhz. The LPC1768 processor family also incorporates high speed embedded memories, with 512 kB Flash memory and 64 kB SRAM.

This architecture is vastly superior to older 8 bit chips commonly found on 3D Printers, and even more powerful than many existing 32 bit boards. It's capable of handling thousands of calculations per second without a hitch, which means faster, more reliable 3D printing without missing steps or losing acceleration on curves.


Open Driver Sockets
BigTreeTech SKR 1.4 Turbo Driver Sockets

Choose your own stepper motor drivers from a variety of options, with support for the traditional Allegro A4988 and DRV8825, or the silent Trinamic series such as TMC 2130, TMC 2208, TMC 2209 and many more.

A stepper motor driver can fail over time, and should this occur, open drive sockets make it quick and painless to replace them. No need to solder the pins, they are plug-n-play with your favorite model.


Wi-Fi and Writer Module (Optional)
BigTreeTech SKR 1.4 Turbo WIFI Module

The optional Wi-Fi and BTT Writer Modules enable remote wireless access to manage and control a 3D Printer. Send commands, upload files or monitor prints from the convenience a web interface.

Using the companion Writer module, it's also possible to flash firmware over the network, debug serial ports and more.


DC-DC Power Module (Optional)
BigTreeTech SKR 1.4 Turbo DCDC Power Module

The DCDC Mode V1.0 Power Module expansion supplies power to external devices, such as TFT Panels, BLTouch Auto Bed Leveling sensors and Neopixel LEDs.

Board Comparison

SKR V1.3

SKR V1.4

 SKR V1.4 Turbo

Frequency 100 Mhz 100 Mhz 120 Mhz
Fan Interface One Fan Interface 1-Way CNC Fan
3-Way Frequent Fans
1-Way CNC Fan
3-Way Frequent Fans
I2C and SPI Interface
Closed-Loop Drive Interface
Dual Z-Axis Interface
RGB Light Belt
32 Bit Screen Support
High Performance Mosfet
WIFI Module Interface
Power Module Interface


Microprocessor ARM Cortex-M3 CPU
Input Voltage DC12V-DC24V 5A-15A
Logic Voltage DC 3.3V
Stepper Modes SPI, UART and STEP/DIR
Form Dimensions
110mm * 85mm
Mount Dimensions 102mm * 76mm

Package Contents

(1) BIGTREETECH SKR V1.4 Turbo 32 Bit Board
(1) USB Cable
(1) Class 10 Micro 8GB SD Card
(1) Yellow Duck

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