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White 140mm square case fan with ARGB lighting and modular interlocking frame

Lian Li

Lian Li UF-SL140V2-1W 140mm white ARGB case fan

SKU CH-DF71-WA4N1 MPN UF-SL140V2-1W

A 140mm white ARGB case fan with modular daisy-chaining for up to six fans per controller port

  • TypeCase Fan
  • CompatibilityCase
  • Fan Size140mm
  • ColorWhite
  • LEDARGB

Fan Size 140mm

Option 1 Pack

  • Simpler cable routing with daisy-chain design supporting up to six fans per controller port
  • 18 cm extension cable enables 3+3 fan clusters for continuous lighting effects
  • Flush-fit power module reduces clearance issues with radiator fittings
  • Removable interlocking keys improve radiator compatibility
  • 25 mm thick frame optimises airflow over previous 140 mm version

140 mm white ARGB case fan

The Lian Li UNI Fan SL140 V2 is a single 140 mm white fan with addressable RGB lighting. It is designed for builders who want a modular daisy-chain cooling solution without a bundled controller. The fan targets enthusiasts building clean, high-airflow systems that use Lian Li's UNI HUB ecosystem.

Capacity and headroom

The revised interlocking design lets you connect up to six fans in two clusters to one controller port. An 18 cm extension cable bridges the clusters into a 3 plus 3 daisy chain for continuous lighting effects. The 25 mm thick frame delivers optimised airflow over the previous version, though the fan still requires a separate UNI HUB controller to operate.

Removable interlocking keys

Each fan includes removable keys that improve clearance around radiator fittings and thick radiators. The plug-in power cable module sits flush with the frame to reduce protrusion. Buyers who need a self-contained fan with a built-in controller or who use a different RGB ecosystem should look elsewhere.

Highlights

  • Simpler cable routing with daisy-chain design supporting up to six fans per controller port
  • 18 cm extension cable enables 3+3 fan clusters for continuous lighting effects
  • Flush-fit power module reduces clearance issues with radiator fittings
  • Removable interlocking keys improve radiator compatibility
  • 25 mm thick frame optimises airflow over previous 140 mm version

Specifications

BrandLian li
ModelUF-SL140V2-1W
TypeCase Fan
CompatibilityCase
Fan Size140mm
ColorWhite
LEDARGB
Shipping weight0.27 kg
Package size196 × 155 × 33 mm

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Questions about this item

Will the 140 mm white ARGB fan connect to my existing 4-pin PWM header without the UNI HUB controller?

The fan uses a proprietary slide-in connector that requires the UNI HUB controller; it does not plug directly into a standard 4-pin PWM header.

How can I verify the ARGB lighting and fan curves are working correctly after installation?

Open L-Connect 3 software — the fan should appear in the device list, allowing you to set lighting effects and custom fan curves that respond to temperature.

Does the single-fan pack include the UNI HUB controller and the 18 cm extension cable, or must they be purchased separately?

The single-fan pack contains only the fan and its plug-in cable module; the UNI HUB controller and 18 cm extension cable are sold separately.

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