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Three black 120 mm ARGB case fans with controller

Lian Li

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

SKU CH-EQRZ-FF8BS

Three 120 mm ARGB case fans with a controller for motherboard PWM or wireless speed and lighting control

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

Color Black

Model LED Normal Blade

Model 3 Pack

  • Three fans with controller simplify cable management and power delivery
  • 120 mm black blades fit standard case mounts for straightforward installation
  • 5 V 3-pin ARGB and PWM let motherboard software sync lighting and speed
  • L-Connect 3 wireless option gives app control without extra wiring
  • Infinity mirror side frame adds depth to the lighting effect

Three-Fan ARGB Kit with Controller

This pack delivers three 120 mm case fans and a dedicated controller in a single box. It targets builders who want coordinated lighting and simplified wiring without sourcing parts separately. The black finish suits stealth-themed builds while the ARGB LEDs add programmable colour.

Normal-Blade Airflow and Lighting Headroom

Each fan uses a standard blade orientation, so airflow direction matches typical front-intake or rear-exhaust layouts. The 5 V 3-pin ARGB header lets motherboard software drive lighting effects, while PWM or the wireless L-Connect 3 app handles speed curves. The controller manages power and RPM reporting for all three units.

Compact Receiver Simplifies Integration

The included FLEX receiver consolidates power, PWM and ARGB signals into one small module, reducing cable clutter behind the motherboard tray. It works with existing SL Wireless and CL Wireless fans, letting owners expand an older setup without replacing it. No additional hubs or proprietary connectors are required.

How it compares

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

Price $58.99
Pricier than about 90% 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 name12SL1F3B
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

Will these 120 mm fans connect to my older motherboard that only has a 5V 3-pin ARGB header and standard PWM headers?

Yes, the included controller links to a 5V 3-pin ARGB header for lighting and to a PWM header for speed control, so the fans work with older boards that provide those connections.

How can I verify the ARGB lighting and fan speeds are synchronised correctly after I install the three fans and the controller?

Open your motherboard's RGB software or L-Connect 3; the fans should appear as addressable devices, letting you set colour effects and see each fan's RPM reported in real time.

Does the 3-pack box include the wireless receiver and all cables needed, or must I buy a separate controller kit?

The box contains three 120 mm fans, the compact FLEX receiver that handles power and signals, and the cables for 5V ARGB and PWM motherboard connections — no extra controller purchase is required.

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