P12 Slim PWM PST (3 Pieces) – 120 mm Silent Case Fan, Central Unit Cooler, High Static Pressure, PST Sharing Function, 300-2100 RPM - Black

ARCTIC P12 Slim PWM PST (3 Pack) - PC Fans, 120mm Case Fan with PWM Sharing Technology (PST), Pressure-optimised, Quiet Motor, Computer, Extra Slim, 300–2100 RPM - Black

ARCTIC P8 Slim PWM PST - PC Fan, 80mm Case Fan, optimised for Static Pressure, with PST Connection (PWM Sharing Technology), DC Fan, Extra Slim - 15 mm, 300–3000 RPM - Black

Cable Matters 2-Pack 3 Way 4 Pin PWM Fan Splitter Cable - 12 Inches / 30cm, 1x PWM-Controlled Fan with 2 Follower Fans, PC Fan Splitter 1 to 3 Converter, PC-Fan Extension Cable