It depends on what type of hardware you’re looking to upgrade. In some cases, upgrades can make a big difference in speed, but not always. For example, if you already have a fast CPU and a large amount of RAM, then the next logical upgrade would be to add a dedicated graphics card or a solid state drive (SSD). However, if your hardware is already quite capable, then you may need to look at other ways to improve your PC’s speed, such as updating drivers, removing unnecessary programs and files, or even checking for viruses and malware.