The X5 mini is a 32 bit ARM based Motion controller for 3D printers, CNC Machines and Laser cutters. The X5 mini runs on Smoothieware firmware and is based on Smoothieboard by the awesome Arthur Wolf. The X5 mini uses the powerful 32bit, 120Mhz NXP LPC1769 ARM chip capable of faster calculations for faster and smoother movements. • Compact and powerful all in one solution. • Board dimensions = 2" x 3.8" (51 mm x 97 mm) *The X5 Mini requires a micro SD memory card.