2GB G.Skill DDR3 PC3-10666 CL9 SQ Series single laptop memory module

(dramatic music) - Wait a second. Everyone knows it's bad to mix and match your memory. But how bad is it? I mean, if you found a really sweet deal to double up the RAM and your gaming rig, would you be such an evil person if you pulled the trigger? What if the RAM that's in your system isn't available anymore? Are you stuck with it forever? Let's find out. After we find out just how smoothly Linus here is gonna segue to his sponsor. With GlassWire you can instantly see your current and past network activity, detect malware, and block badly behaving apps on your PC or Android device. Use offer code LINUS to get 25% off GlassWire at the link down below. (upbeat music) We never wanna feed you misinformation or myths, particularly if it causes you to miss out on a free or cheap upgrade. So we took five different memory sets from our inventory, rated for various speeds and latencies, throw