3pcs StepStick DRV8825 Good Heat Dissipation for Prusa Mendel/Ultimaker/Printbot

Versatile Compatibility: DRV8825 stepper motor driver ranging from 8.2V to 45V with currents below 2.5A, making it suitable for a wide range of applications. Model Number: DRV8825 Stepper Motor Driver.

eBay