The PCIe Soft Data Fax Modem with SmartCP is a type of software-based modem that is commonly used for dial-up internet connections and fax communication. "PCIe" stands for Peripheral Component Interconnect Express, which refers to the type of interface the modem uses to connect to your computer's motherboard. This type of modem doesn't use a traditional hardware-based approach for processing data; instead, it relies on software drivers to handle most of the communication tasks.

The "SmartCP" in the name refers to Smart Communications Processor technology, which is a chipset used to enhance the performance of modems, particularly in terms of reducing CPU load and improving data speeds.