The EVGA Hadron chassis comes in two different versions, with different levels of compatibility when it comes to CPU coolers.
EVGA Hadron Air:
    - Compatible with many aftermarket CPU air coolers.
 
    - NOT compatible with aftermarket all in one water coolers.
 
    - Maximum cooler height is 5.5in.
 
EVGA Hadron Hydro:
    - Compatible with many aftermarket CPU air coolers.
 
    - Compatible with all in one water coolers, (single 120mm radiator) Example: Corsair H80/H60
 
    - Compatible with many aftermarket DIY water cooling kits. EVGA will sell a certified kit separately.
 
Learn more about the EVGA Hadron Chassis at www.evga.com/hadron