Feature 1TMC2130 SPI Drive Mode: 3D printer motherboard contains TMC2130 SPI drive mode and is compatible with Reprap for Prusa i3 MK3/3S 3D printers. 2Wide Compatibility: Printer motherboard is compatible with MEGA Atmega2560 and Atmega32u2 processors, and is compatible with all RAMPS firmware. 3Easy Installation: 3D printer motherboard module is easy to install and use, and it can be used after installation without complicated procedures. 44 Drivers: 3D printer motherboard has 4 TTMC2130 micro step motor drivers (2 connectors on Z are compatible with for Prusa Mendel and other dual Z printer designs) 5Note: The recommended power supply is 12V24V DC, 16A+, and the pre configured Marlin firmware is pre loaded on the board.SpecificationItem Type: 3D Printer MotherboardMaterial:PCBApplicable Models:Reprap for Prusa i3 MK3/3S .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x3DPrinterMotherboard1 x Data Cable1 x Terminal4 x Cooling Fins