The good news about Malairte is that you almost certainly already have hardware that can mine it. This guide covers what to look at on your existing PC, and what matters if you are putting together a dedicated rig.
For CPUs: cores and threads are the primary lever, followed by cache size and memory bandwidth. Modern Ryzen and Xeon parts do well. For GPUs: VRAM, memory bandwidth, and core count matter. Both new and used cards work; the used market is full of capable parts that no longer hold their value for gaming.