Published Apr 24, 2026, 8:00 PM EDT Charles has worked with many technologies, from Arduino to PCs, over the past 10 years. He's interested in anything electronic, but especially the development of software and video games. He has a passion for writing, playing video games, programming, singing in the shower, and spending time with friends. A couple of years ago, when I was working on my Raspberry Pi 5 , I noticed that it was very slow. I googled possible reasons, and the main one was its lack of RAM. It has 4 gigs of RAM, but I noticed that running multiple Chromium tabs made it run at a snail's pace. So, I looked for ways to increase the RAM. Given that I was using an SD Card as a hard drive, using a swap file wasn't really an option. However, I found a program called ZRAM and promptly installed it from the Pi-Apps app store. I found it increased my performance by a sizeable amount when running many apps.…