fan-cooled system; fan-equipped cooling system
Technical noun used in engineering and product specifications to describe a system that uses a fan for cooling.
This PC uses a fan-cooled system.
Fan-cooled devices are excellent in quietness.
空冷式 is air-cooled, often without a fan, while ファン冷却式 explicitly uses a fan.
Compound of ファン (fan) + 冷却 (cooling) + 式 (type/system). A straightforward technical term.