Feature 1Designed for Spider Motherboard: This S2240 V2.0 stepping motor driver is suitable for Spider Motherboard 3D printer motherboards. 2TMC2240ATJ Chip: This stepper motor driver adopts TMC2240ATJ chip which ensures ultra quiet and stable performance, up to 36V voltage. 3Ultra Quiet: This SPI stepper motor driver extends the silent chopping speed range to higher level, solves the problem of switching point jumping, and enhances the silent effect. 4Durable Material: This silent stepper driver is made of premium printed circuit board and metal material, sturdy and highly durable, perfect for 3D printing enthusiasts and professionals. 5SPI Operation Mode: This S2240 V2.0 stepping motor driver adopts SPI operation mode. It supports 4.5V to 36V voltage, 2.1A IRMS, 3A IFS, maximum 256 subdivision, 230mQ RDSon.Item Type: Stepping Motor DriverMaterial: Printed Circuit Board, MetalChip: TMC2240ATJRDSon (H+L): 230mQSupport Voltage: 4.5-36VIRMS: 2.1AIFS: 3AMaximum Subdivision: 256Operation Mode: SPI .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 x SteppingMotorDriver1 x Cooling Plate1 x Screwdriver