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Three black 120mm ARGB case fans with infinity mirror centre and aluminium trim, plus controller

Lian Li

Lian Li UF-SLIN120-3B case fan 3-pack 120mm ARGB black

SKU CH-DBJ7-TWQ7P MPN UF-SLIN120-3B

Three 120 mm ARGB fans with infinity-mirror centre rings, side LED strips and aluminium-trimmed frames, plus an L Connect 3.0 controller

  • Fan Counts3 Fans
  • Fan ControllerController
  • TypeCase Fan
  • Fan Size120mm
  • Fan Thickness25mm
  • Bearing TypeFluid Dynamic

Fan Size 120mm

  • 140mm
  • 120mm

Struck-through versions exist but are not stocked here.

Model Regular

  • Regular
  • Reversed

Option 3 Pack Addressable RGB w/ Controller

  • 3 Pack Addressable RGB w/ Controller
  • Single Pack w/o Controller

Struck-through versions exist but are not stocked here.

  • Infinity mirror centre creates multi-layer depth
  • 5 mm layer spacing sharpens the visual effect
  • Side-frame ARGB strips extend lighting to the edges
  • Aluminium trim frames the mirror for a 3D indented look
  • Rear logo rim adds illumination from the back

Three-pack 120 mm ARGB fans

This Lian Li three-pack delivers three 120 mm case fans with fluid-dynamic bearings and 25 mm thickness. Each fan uses a 3- or 4-pin power connector and includes addressable RGB lighting. The bundle also supplies an L-Connect 3.0 controller for unified management.

Infinity mirror and aluminium trim

A centred infinity mirror with layers spaced 0.5 mm apart creates depth visible from any angle, while thin LED strips run along both side frames. Aluminium trim surrounds the mirror on each side in a top-and-bottom pattern that adds a 3D indented look, and a rear ARGB rim circles the Lian Li logo for extra accent lighting.

Daisy-chain modularity and software control

The daisy-chain design lets the three fans link together with fewer cables, simplifying routing inside the chassis. Lighting effects and fan curves are configured through the included L-Connect 3.0 software, so all three units stay synchronised without separate headers.

Highlights

  • Infinity mirror centre creates multi-layer depth
  • 5 mm layer spacing sharpens the visual effect
  • Side-frame ARGB strips extend lighting to the edges
  • Aluminium trim frames the mirror for a 3D indented look
  • Rear logo rim adds illumination from the back

Specifications

BrandLian li
Fan Counts3 Fans
Fan ControllerController
TypeCase Fan
Fan Size120mm
Fan Thickness25mm
Bearing TypeFluid Dynamic
Power Connector3 / 4 Pin
ColorBlack
LEDARGB
Shipping weight0.89 kg
Package size159 × 152 × 95 mm

Other versions of this model

1 more in the same range

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Questions about this item

How many 4-pin headers does the L-Connect 3.0 controller need to power all three fans?

The controller draws power from a single 4-pin header and distributes it to the three fans through their built-in daisy-chain connectors.

What case clearance is required for the 25mm thick fans and their aluminium trim?

Each fan measures 25mm thick; the aluminium trim sits flush with the frame, so standard 120mm mounting holes with 25mm depth clearance are sufficient.

Which cable is connected first when installing the daisy-chain — the PWM lead or the ARGB lead?

Connect the PWM cable to the controller port first, then attach the ARGB cable; reversing the order can leave the lighting unresponsive in L-Connect 3.0.

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