"Packing loads of versatility and space, this mid tower Corsair is perfect for growing with your custom build. There's room for up to 6 cooling fans and 2 fans are already included, so the 4000D Airflow can handle the heat from heavy workloads and hardcore gaming. And the high-airflow panel is pretty clever too. It steers cool air towards your PC's hottest components to keep your gear performing even when you crank the settings up. Good to know - Boost your storage or load speeds whenever you like with room for up to two 3.5"" hard drives and two 2.5"" SSDs - Fill the case up with RGB components and the tempered glass window will make sure you can admire them - The side panel slides on and off, so you'll have easy access to your components - Built-in cable routing helps keep things nice and tidy around your workspace"