Amazon.com: Phanteks Universal Fan Controller, PH-PWHUB_02 – Low Profile Design, Universal Fan Controller, Magnetic Housing, Three Speed Modes with Remote Control : Electronics
DeepCool FH-04 - 4PWM fan hub control, fan-compatible speed with 3-pin/4-pin cooling | 399 EGP
Amazon.com: GOWENIC Chassis Fan Hub, PC 8 Channel Fan Hub 4 Knob Cooling Fan Speed Controller for CPU Chassis, HDD VGA PWM Fan PCI Bracket 12V Fan Control, Water Cooling System : Electronics
Pi+® (PiPlus®) 1PC PC 10 Port 4 Pin Fan Hub 10-Way 4-pin IDE Fan Speed
Corsair RGB Fan Hub Controller - Black | OcUK
Phanteks Innovative Computer Hardware Design
Pc 8 Channels Fan Hub Cooling Fan Speed Controller For Cpu Case Hdd Vga Pwm Fan Pci Bracket Power By 12v Sata/4pin Fan Control | Fruugo NZ