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Three white 120 mm reverse-blade ARGB case fans with controller

Lian Li

Lian Li UNI FAN SL-INF Flex 120mm Reverse Blade ARGB Fan 3 Pack White

SKU CH-BBTW-W15V7

Three 120 mm reverse-blade ARGB fans with an included controller for flexible PWM or wireless speed and lighting management

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

Color White

Model LED Reverse Blade

Model SL INF FLEX 120 - 3 Pack with Controller

  • Controller included for simplified fan and lighting management
  • 5V 3-pin ARGB control enables motherboard software lighting sync
  • Dual-style edge design with multi-zone lighting adds visual depth
  • Flexible PWM or wireless speed control via L-Connect 3
  • Three 120 mm white fans in a single pack

Three-pack ARGB fan kit

This kit contains three 120 mm white case fans with reverse-blade design and addressable RGB lighting. A dedicated controller is included in the box for unified management. The fans suit builders who want coordinated airflow and lighting across multiple intake or exhaust positions. They are not intended for single-fan upgrades or builds that lack space for a controller hub.

Sustained-load behaviour

The reverse-blade layout is engineered to maintain steady airflow through restrictive areas such as radiators or dense mesh panels. PWM and wireless control paths let the system adjust speeds dynamically without sudden rpm spikes. Multi-zone lighting remains stable during extended operation because power delivery is handled by the controller rather than individual motherboard headers. Builds requiring variable-speed profiles tied to liquid-temperature sensors will need a separate sensor input not provided here.

5 V 3-pin ARGB + PWM control

Lighting is driven exclusively through a 5 V 3-pin ARGB header while fan speed uses standard PWM signalling, with an optional wireless link to L-Connect 3 software. Motherboards without a 5 V ARGB header cannot synchronise the lighting effects. The controller occupies one internal USB 2.0 header for software features, so boards lacking that header lose wireless and LCD functionality.

How it compares

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

Price $78.99
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 name12RSLIN1F3 W
Product typeCase Fan
Product colorWhite
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

How loud do the three 120 mm fans get when they run continuously all day?

The fans use PWM speed control so noise scales with RPM; at lower curves they stay quiet during long sessions.

Does the pack include everything needed to power and control the ARGB lighting out of the box?

Yes, a controller is supplied in the 3-pack for both PWM and 5 V 3-pin ARGB connection.

Will these reverse-blade fans fit alongside my existing standard 120 mm case fans without clearance issues?

They share the same 120 mm frame dimensions, so they mount in any standard 120 mm location.

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