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Three black 120 mm reverse-blade case fans with controller

Lian Li

Lian Li UNI FAN SL Flex 120mm Reverse Blade ARGB 3 Pack Controller Black

SKU CH-MP8E-B7YWW

Three 120 mm reverse-blade case fans with ARGB lighting and an included controller for simplified cable management

  • Fan size120 mm
  • Number of fans3 Fans
  • Fan controlController
  • Product typeCase Fan
  • Compatible withCase
  • Product colorBlack

Color Black

Model LED Reverse Blade

Model 3 Pack

  • Three fans and a controller simplify cable routing in one pack
  • Reverse-blade design directs airflow where standard fans cannot
  • 5V 3-pin ARGB lets motherboard software sync lighting across the build
  • PWM and wireless speed control give two ways to manage thermals
  • Backward-compatible with existing SL Wireless and CL Wireless fans

Three-Fan ARGB Kit with Controller

This Lian Li UNI FAN SL Flex set includes three 120 mm reverse-blade fans and a dedicated controller in a single black package. The bundle targets builders who want synchronised lighting and simplified cable routing inside a compatible case. PWM and wireless control paths are both supported through the included receiver.

Control Limited to 5 V 3-Pin ARGB and PWM

Lighting synchronisation relies on a motherboard 5 V 3-pin ARGB header, while speed regulation uses a standard PWM connection or the L-Connect 3 wireless app. The receiver handles power delivery and RPM reporting, but no other control protocols or voltage standards are provided. Builders without a 5 V ARGB header cannot use motherboard lighting sync.

Check for 5 V ARGB Header and Case Clearance

Verify that your motherboard has a 5 V 3-pin ARGB header if you plan to sync lighting through board software. Ensure the chassis has mounting points for three 120 mm fans and enough depth for the controller and cabling. This kit is not suited for systems lacking a 5 V ARGB header or for builds restricted to 4-pin 12 V RGB ecosystems.

How it compares

Measured against everything we stock in PC Cooling Fans, at today’s prices. Recalculated every night.

Price $48.99
Pricier than about 89% of the 8,339 comparable items (median $19.99).
Fan size 120 mm
Typical for this category: the median of 1,114 items is 120 mm.

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Specifications

Product
Brand nameLian li
Model name12RSL1F3B
Product typeCase Fan
Product colorBlack
Size & build
Fan size120 mm
Number of fans3 Fans
Compatibility
Compatible withCase
More details
Fan controlController

Other versions of this model

5 more in the same range

Questions about this item

Should I choose the three-fan pack with controller or a single-fan version?

The three-fan pack includes a controller that handles power delivery, RPM reporting and wireless or motherboard control for all three fans, while a single fan would need a separate controller to use those features.

What does the 120 mm size mean for airflow in my case?

The 120 mm frame fits standard 120 mm mounting points and the reverse-blade design pushes air in the opposite direction to a regular fan, letting you create intake or exhaust patterns that suit your layout.

How does the 5V 3-pin ARGB and PWM connection limit control options?

The 5V 3-pin ARGB header lets motherboard software drive lighting while the PWM header controls speed, and the same receiver also supports L-Connect 3 wireless control so you can switch between wired and wireless modes.

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