Welcome to our store! 1. Designed for Spider Motherboard: This S2240 V2.0 Stepping Motor Driver is suitable for Spider Motherboard 3D Printer Motherboard. 2. TMC2240ATJ Chip: This Stepping Motor Driver uses the TMC2240ATJ chip, ensuring extremely quiet and stable performance, up to 36V voltage. 3. Ultra Quiet: This SPI Stepping Motor Driver expands the quiet cutting speed range to a higher level, solving the problem of stepping point jumps and improving the quiet effect. 4. Durable Material: This quiet Stepping Motor Driver is made of premium printed circuit board and metal material, robust and highly durable, perfect for 3D printing enthusiasts and professionals. 5. SPI Operation Mode: This S2240 V2.0 Stepping Motor Driver uses SPI operation mode. It supports 4.5V to 36V voltage, 2.1A IRMS, 3A IFS, maximum 256 microsteps, 230mQ RDSon. Product Type: Stepping Motor Driver Material: Printed Circuit Board, Metal Chip: TMC2240ATJ RDSon (H+L): 230mQ Supported Voltage: 4.5-36V IRMS: 2.1A IFS: 3A Maximum Microsteps: 256 Operation Mode: SPI 1 x Stepping Motor Driver 1 x Heat Sink 1 x Screwdriver Customer Satisfaction - Customers are our highest priority. If you discover any issues with the product after receiving it, such as damage or incorrect quantity, please contact us immediately. We will do our best to provide you with satisfactory customer service.