The portion of a computer’s RAM that is used by a hardware device such as a GPU (Graphics Processing Unit), sound card, network adapter, and other hardware components is known as Hardware Reserved. These hardware components should work properly; that’s why this memory is set aside. When some users open the Task Manager to find out the reason for the slow running of the computer, they notice a large amount of hardware reserved memory on their computer. In this article, we are going to talk about why Hardware Reserved Memory is too high in Windows and how we can reduce it.