What’s New With Pro X? With the Pro X, you get hands on a huge number of modular parts that allow you to choose between laser and optical sensors. These sensors come with in-built memory that let you to store up to nine profiles. The Details And Pricing The Pro X offers a rest area for your pinkie, apart from a swappable thumb design. There is also an adjustable pivoting palm rest and a number of different materials and textures for its feet. Mad Catz have also stated that the mouse is future proof. Coming to the Pro S, buyers can get a cheaper mouse but without modular capabilities. At the same time, the Pro S retains some essential features from Pro X. Users can get a 5,000 DPI optical sensor and support for up to three profiles. The Rat Pro X will cost $200, while the Rat Pro S is priced at $70. The Indian audience will have to wait for these devices before they make their way into India.