Thus, RPM rates aren’t associated with them at all. Solid-state drives (SSDs), mostly found in Mac computers and newer Windows 10 laptops, don’t have any moving parts. This article will also help you with that specification, both digitally and physically. Since RPM is essential when buying a new computer, you should know where to look for this number. This article discusses how to check hard drive RPMs, whether you are purchasing a new one or deciding on the one to use. Why does that matter? In today’s world, PCs handle more data simultaneously and run faster, therefore requiring faster RPMs in any HDD. Therefore, a higher RPM usually means that the drive reads and writes faster than those with lower rotational speeds. With higher RPMs, you usually get higher input/output (I/O) speeds.