Thermotake Three Tempered Glass Panels for the Tower 600 Mid-Tower Motherboard Rotational PCI-e Slots with Hidden Connector Support in White: The Tower 600 Snow is an ATX case that is compatible with the newest hidden-connector motherboards. It has a traditional vertical case design and is octagonal in shape. It can accommodate up to a 360mm AIO radiator on the left and a 420mm AIO radiator on the right.