BIGTREETECH Octopus Pro H723 Motherboard

8-Axis 3D Printer Control Board for Klipper & Marlin ⚙️

Overview

The Octopus Pro is a powerful 8-axis 3D printer motherboard built for high-speed Klipper printing. Featuring an ARM Cortex-M7 STM32H723 processor running up to 550MHz, it delivers smooth, precise, and stable motion control for advanced printer builds.

Key Features🚀 High-Speed Processor

ARM Cortex-M7 STM32H723ZET6 chip running at up to 550MHz for ultra-responsive Klipper performance.

🔌 8 Motor Driver Slots

Supports up to 8 axes with pluggable TMC2209 drivers for quiet, precise stepper control.

🛡️ Onboard Protection

Built-in level conversion chip and motherboard protector circuit for safer, more stable operation.

🌡️ MAX31865 Support

Onboard support for NTC100K and PT100/PT1000 high-temperature thermistors.

SpecificationsFirmware SupportKlipper, MarlinMicroprocessorARM Cortex-M7 STM32H723ZET6Input VoltageDC 15-28VMotor DriverPluggable, 8 slots (TMC2209 compatible)Motor InterfacesMOTOR0-7, MOTOR2_1/2_2Cooling6x CNC fans, 2x standard fans (selectable voltage)ConnectivityType-C interface for online printingCompatible OSRaspberry Pi, OctoPrintProduct ImagesFrequently Asked QuestionsDoes this board require a Raspberry Pi?

Klipper firmware typically requires a host computer such as a Raspberry Pi; the board itself does not include one.

What drivers are included?

This listing includes the variation with 8x TMC2209 drivers pre-installed, or board-only depending on your selection.

Is this compatible with Ender 3 V2?

Yes, this board can be used as an upgrade replacement for many printers including Ender 3 V2 with proper wiring adjustments.

What firmware does it support?

Supports Klipper and Marlin firmware for the H723 version.