The iron-rhodium alloy, having very interesting magnetic properties, is being studied for future use in next-gen data storage methods, for which high-speed information inscription is predicted. The examined material has been made by casting, but a for the purpose of examining its magnetic properties, the need for reducing the size of the sample arose. Because of this, wire electrical discharge machining method has been chosen, which allowed halving the sample while keeping the purity and surface properties of the original sample. This study is evaluating the morphology of the cut using electron microscopy, including microanalysis of chemical composition of the sample. Profile and area parameters were also studied, which define quality of the machined surface.