EN-Labs
EN-Labs PWMHUB5 5 Port 4Pin PWM Fan Splitter Hub 40CM
Expands one motherboard PWM header to five fans with 40 cm cable and PWM speed control
- TypePWM 4pin fan hub splitter
- ColorBlack
- Length1.3ft / 40CM
- Cable Length1.3 ft.
- SpecificationsIt is designed for enthusiasts with need for controlling num
- Connector APWM TX4 4pin female
- Expands one motherboard PWM header to five fans
- PWM speed control keeps all four-pin fans synchronised
- Three-pin and two-pin fans run at full speed
- Red connector carries the single RPM signal to the board
- Five onboard capacitors protect connected fans from power spikes
Fan hub for multi-fan builds
The EN-Labs PWMHUB5 expands a single motherboard PWM header into five 4-pin connectors so enthusiasts can run several case or radiator fans from one control point. It includes a 40 cm extension cable with a locking latch and adhesive backing for tidy mounting inside the chassis. The hub draws power directly from the CPU_Fan or SYS_Fan header.
PWM control limits and signal handling
Only the red-marked CPU Fan port passes an RPM signal back to the motherboard; the other four ports receive the same PWM duty cycle but do not report individual speeds. Two-pin and three-pin fans can be connected but will run at full voltage because they lack the fourth wire required for PWM regulation. The board carries five solid capacitors to smooth the shared power rail.
Capacity and headroom for fan arrays
The splitter comfortably drives up to five 12 V fans at identical speeds, making it suitable for push-pull radiator sets or multi-fan case layouts. Total current is limited by the single motherboard header, so very high-draw fans may exceed what that header can supply. Builders needing independent speed curves or more than five fans will need additional headers or a powered controller.
Highlights
- Expands one motherboard PWM header to five fans
- PWM speed control keeps all four-pin fans synchronised
- Three-pin and two-pin fans run at full speed
- Red connector carries the single RPM signal to the board
- Five onboard capacitors protect connected fans from power spikes
Specifications
| Brand | EN-Lab |
|---|---|
| Model | PWMHUB5 |
| Type | PWM 4pin fan hub splitter |
| Color | Black |
| Length | 1.3ft / 40CM |
| Cable Length | 1.3 ft. |
| Specifications | It is designed for enthusiasts with need for controlling numerous system fans Capable of expanding one motherboard PWM fan header to support up to five fans. Support PWM Funciton, Speed control, satisfy your control needs. Compatible with 3-pin / 4-pin Fans Support Cable Management Comes with Self-Stick for easy installation and options to hide the PCB itself. Since only one RPM signal can be read by one motherboard connector, only ' CPU Fan' channel of the PWM splitter carries an RPM signal; thus the motherboard will only read the RPM signal of the PWM device that is connected to ch |
| Connector A | PWM TX4 4pin female |
| Connector B | 5 x PWM TX4 4pin male |
| Connector Number | 6 |
Questions about this item
Should I pick a 40 cm or 1.3 ft cable for my case?
Both figures describe the same 40 cm length; choose the unit you prefer.
How does the PWM hub affect fan speed when five fans are connected?
All five fans run at the identical PWM duty cycle sent by the motherboard header.
What does the 4-pin PWM interface actually control on this splitter?
It carries one PWM signal and one RPM wire from the red connector to the motherboard.
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