Compatible with 4th generation intel core series processors the easy performance upgrade for your intel cpu your pc will run cooler and quieter when you replace your cpus standard heatsink with a hydro series h55 installation is straightforward if you can get to the back of your pcs motherboard you can install an h55 all youll need is a screwdriver great for smaller cases the compact components and flexible tubing make h55 easy to install even if youre cramped for space p