The Samsung CLT-M409S/XAA Unit-Devé Magenta Toner Cartridge is a genuine original product manufactured in China by Samsung. This unit is designed for use with Samsung printers and is specifically compatible with the CLT-M409S model. The magenta color print technology ensures vibrant and high-quality prints, making it a reliable choice for professional printing needs. This toner cartridge is a unit, providing a single product for easy installation and usage.