Question about LC-Power Housing Gaming 805BW Holo-1 X RGB Black/White retail

According to our information, 4 fans are included in the scope of delivery:

Scope of delivery: 4
Installation option: 11
Front: 3x 120/140 mm
Top: 3x 120/2x140 mm
Interior: 4x 120 mm
Back: 1x 120 mm