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Black sleeved Molex to four PWM fan splitter cable, 16 inches

EN-Labs

EN-Labs IDE24PWM16 Molex to 4×PWM fan splitter 16" black

SKU CH-31RR-PDP07

Connects four PWM or three-pin fans to one Molex PSU header while returning RPM feedback to the motherboard over a 16-inch 26AWG sleeved cable

  • TypeCable Splitters
  • ColorBlack
  • Length16" - 20"
  • SpecificationsType :PWM fan power cable Length: 16 inches Conductor:26AWG
  • Connector Number6
  • Terminal GenderMale to Male
  • Powers four PWM fans from one Molex connector
  • 16-inch sleeved cable reaches chassis fans cleanly
  • 26AWG copper conductors deliver stable 12 V power
  • RPM feedback wire sends speed data to motherboard header
  • Fans run synchronised under PWM control for balanced cooling

Purpose and audience

The EN-Labs IDE24PWM16 is a Molex to four-way PWM fan splitter that lets a single power-supply header drive up to four case or CPU cooler fans. It is built for system builders who want to add extra airflow without overloading a motherboard fan header.

Practical limits of the interface

The adapter draws 12 V power directly from the PSU through a 26 AWG copper cable, so the motherboard header only carries the PWM control and RPM feedback signal. When a 3-pin fan is connected, speed regulation is not available because the third pin carries only a tachometer signal. Cable length is 16 inches with a sleeved black finish.

Installation and common issues

One male Molex LP4 plug goes to the PSU, four male 4-pin fan plugs go to the fans, and a single female 4-pin plug connects to the motherboard CPU or SYS fan header for RPM reporting. All attached fans spin at the same PWM duty cycle, so individual speed curves are not possible. Buyers who need per-fan speed control or more than four fans on one header should look for a powered fan controller instead.

Highlights

  • Powers four PWM fans from one Molex connector
  • 16-inch sleeved cable reaches chassis fans cleanly
  • 26AWG copper conductors deliver stable 12 V power
  • RPM feedback wire sends speed data to motherboard header
  • Fans run synchronised under PWM control for balanced cooling

Specifications

BrandEn-Labs
ModelIDE24PWM16
TypeCable Splitters
ColorBlack
Length16" - 20"
SpecificationsType :PWM fan power cable
Length: 16 inches
Conductor:26AWG Copper
Connector A:1 x Molex 4pin LP4 male
Connector B: 4x 4pin PWM Fan TX4 male
1 x 4pin PWM Fan TX4 female for RPM feedback
Power supports:12V/5V fans
3-PIN & 4-PIN fan compatible
Connector Number6
Terminal GenderMale to Male
FeaturesPWM FAN SPLITTER CABLE connects up to 4 computer PWM fans to a single Molex 4pin header of your PSU and return RPM signal to computer by motherboard fan header;
1 to 4 fan converter cable connects an additional fan to increase airflow in your computer case
Molex 4pin plug connects to IDE 4pin on your PUS and splits the power to 4 PWM fans;
Fans can spin at the same speed using software from a motherboard equipped with PWM control
MOBO 4-Pin receptacle connector to the 4-Pin header on motherboard that sends the RPM signal to the motherboard connector for synchronizing the fan speed wi

Questions about this item

How do I choose between the 16-inch and 20-inch lengths for this PWM fan splitter?

The cable measures 16 inches from the Molex plug to the first fan connector; the 20-inch figure is the maximum reach to the furthest branch, so pick 16 inches for tight routing or 20 inches if you need extra slack across a large chassis.

What does the 12 V rating mean once the splitter is installed in my PC?

It confirms the adapter delivers standard 12 V power from the PSU Molex rail to every connected fan, allowing up to four 12 V PWM or 3-pin fans to run without drawing current from the motherboard header.

How does the Molex LP4 interface limit the number of fans I can connect?

The single Molex 4-pin plug supplies all four fan branches, so the practical limit is the PSU rail’s current capacity; the cable itself provides four 4-pin PWM outputs plus one 4-pin female header for RPM feedback to the motherboard.

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