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Black rectangular PWM fan hub with ten 4-pin ports and a 40cm cable

RIITOP

RIITOP PWM10-D 1-to-10 PWM Fan Splitter Hub 40cm

SKU CH-V31S-A50PD

Expands a single motherboard PWM header to ten fans, with one speed-monitored CPU channel and nine Molex-powered ports, plus self-adhesive mounting on a 40 cm cable

  • TypeCable Splitters
  • ColorBlack
  • Length40cm / 15.7 inch.
  • Cable Length1.31 ft. (40cm)
  • SpecificationsType: 1 to 10 ports PWM Fan Controller Splitter hub. Demensi
  • Connector Number10
  • Expands one PWM header to control ten fans
  • CPU fan header reports speed to motherboard for monitoring
  • Nine additional ports receive PWM signals but run at full speed
  • Molex power connector supplies Fan1–Fan9 independently of motherboard
  • 40 cm cable with self-adhesive backing for tidy installation

PWM Fan Splitter Hub 1-to-10

The RIITOP PWM10-D expands a single motherboard PWM header into ten fan connections. It is built for enthusiasts who need to run multiple chassis or radiator fans from one control point. The hub includes a self-adhesive pad for tidy mounting inside the case. A 40 cm lead connects the hub to the motherboard header.

Molex Powered Expansion

The CPU fan header draws power and the speed signal from the motherboard, while the remaining nine ports are supplied by a Molex LP4 connector from the power supply. This layout lets the board monitor one fan and regulate PWM duty cycle for all attached 4-pin fans. Builders moving from a basic two-way splitter gain the ability to run up to ten fans without adding controller software.

Compatibility and Header Limits

Verify that your motherboard offers a standard 4-pin PWM header and that your power supply provides a free Molex LP4 lead. Only the red CPU port reports RPM back to the board; the other nine ports send PWM signals but return no speed data. Three-pin fans will run at full constant speed on any port because they lack PWM control. Ensure the 70 x 47 x 17 mm hub fits your chosen mounting spot.

Highlights

  • Expands one PWM header to control ten fans
  • CPU fan header reports speed to motherboard for monitoring
  • Nine additional ports receive PWM signals but run at full speed
  • Molex power connector supplies Fan1–Fan9 independently of motherboard
  • 40 cm cable with self-adhesive backing for tidy installation

Specifications

BrandRIITOP
ModelPWM10-D (RIITOP 4 Pin PWM Fan Controller Hub 1 to 10 Ports with Self-Sticker for CPU Cooler, Case Chasis Cooling Fan Power Cable Hub Splitter Adapter, Power by IDE Molex 4pin)
TypeCable Splitters
ColorBlack
Length40cm / 15.7 inch.
Cable Length1.31 ft. (40cm)
SpecificationsType: 1 to 10 ports PWM Fan Controller Splitter hub. Demension: 70x47x17 mm. Cable Length: About 40cm. Weight: 25g / 0.06 lb. Power: CPU fan is powered by motherboard 4pin holder, Fan1~Fan 9 are powered by the Molex LP4 4pin connector. Please note: The RED CPU interface is the CPU fan dedicated interface (with speed detection function). Since the mainboard can only receive one rotation speed signal, the remaining nine conventional fan interfaces have the PWM function, but no speed signal(will work at full speed).
Connector Number10
Connector DetailPWM Fan Controller Splitter Hub 1 to 10 Ports with Self-Sticker for CPU Cooler, Case Chasis Cooling Fan Power Cable Hub Splitter Adapter, Power by IDE Molex 4pin
Terminal GenderFemale to Male
FeaturesIt is designed for enthusiasts with need for controlling numerous system fans. Capable of expanding one motherboard PWM fan header to support up to ten fans. Header of CPU fan is powered by motherboard 4pin holder, and Fan1~Fan 9 are powered by the Molex LP4 4pin connector from computer PSU. Compatible with 3-pin / 4-pin Fans (Due 3pins no PWM controller, 3pin fans would run in full speed. ) Comes with Self-Stick for easy installation and options to hide the PCB itself. Please note: 4Pin fan speed can be adjusted by temperature control. 3Pin fan can also be used, but because 3Pin has

Questions about this item

What are the hub dimensions and cable length for fitting inside a case?

The hub measures 70 by 47 by 17 mm and the included PWM cable is 40 cm (15.7 inch) long.

How do I connect the splitter to the motherboard and power supply?

Plug the 4-pin PWM lead into the motherboard CPU fan header and the Molex LP4 connector into a PSU Molex cable; the red CPU fan port gets speed monitoring, the other nine ports share PWM control.

Which fans will run at full speed and which support PWM control?

Only the fan on the red CPU port reports speed; the other nine ports provide PWM signals but no speed feedback, so 3-pin fans on those ports run at full speed while 4-pin fans obey PWM curves.

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