All in One (AIO) also known as a closed loop cooler for the uninitiated. They're water coolers that come in a single pre-built piece that you just attach like a

All in One (AIO) also known as a closed loop cooler for the uninitiated. They're water coolers that come in a single pre-built piece that you just attach like any fan. Source: Been rocking Corsair AIO coolers for around a decade now. I did have have the pump fail in one of them after around seven years of use.