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Black 120 mm case fan with centred infinity mirror ARGB and side LED strips

Lian Li

Lian Li UF-SLIN120-1B 120mm ARGB case fan

SKU CH-0TCR-ZHB2X MPN UF-SLIN120-1B

A 120 mm ARGB case fan with infinity mirror lighting, fluid dynamic bearings, 2100 rpm, 61.3 CFM airflow and 29 dBA noise

  • Fan size120 mm
  • Number of fans1 Fan
  • Fan controlNo Controller
  • Fan depth25 mm
  • LED lightingARGB
  • Product typeCase Fan

Fan Size 120mm

Model Regular

Model Single Pack w/o Controller

  • Infinity mirror ARGB creates layered 3D lighting effects
  • 2100 rpm delivers 61.3 CFM airflow for strong cooling
  • 29 dBA noise level keeps operation quiet under load
  • Fluid dynamic bearings provide durable long-life performance
  • Daisy-chain pin-to-pad design simplifies cable routing

120 mm ARGB case fan with infinity mirror

The Lian Li UNI FAN SL-INFINITY is a single 120 mm case fan finished in black with addressable RGB lighting. Its centrepiece is an infinity mirror built from layers spaced 0.5 mm apart, framed by aluminium trim and side LED strips. The fan uses fluid dynamic bearings and is designed for builders who want strong visual impact alongside effective airflow. No controller is included in the box.

Thermals, noise and power draw in normal use

At typical speeds the fan delivers 61.3 CFM of airflow while producing a low 29 dBA noise level. Fluid dynamic bearings keep friction low, helping the motor run smoothly during everyday desktop workloads. The 25 mm thickness fits standard mounting points, and removable keylocks let you secure the fan directly to a radiator for CPU cooling. Daisy-chain connections simplify cable routing inside the case.

Behaviour under sustained load

When pushed to its 2100 rpm maximum the fan maintains the rated airflow figure without exceeding the quoted acoustic level. The modular pin-to-pad design keeps the daisy chain stable during long sessions, and L-Connect 3 software allows you to tune curves for continuous operation. The aluminium-trimmed frame resists vibration even at peak speed, preserving both cooling performance and the infinity mirror visual effect over extended periods.

How it compares

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

Price $24.99
Pricier than about 63% 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 nameUF-SLIN120-1B
Product typeCase Fan
Product colorBlack
Size & build
Fan size120 mm
Number of fans1 Fan
Fan depth25 mm
Shipping weight0.25 kg
Package size175 × 132 × 34 mm
More details
Fan controlNo Controller
LED lightingARGB

Other versions of this model

5 more in the same range

Questions about this item

How do I connect the modular pin-to-pad daisy chain and which step do builders often miss?

Snap each fan's pin-to-pad connector to the next one in line, then plug the lead fan into a motherboard ARGB header; the step often missed is seating every pin fully so the signal passes through the whole chain.

What maintenance will the fluid dynamic bearing need over time?

The sealed fluid dynamic bearing is rated for continuous operation up to 2100 rpm and requires no lubrication; only occasional dust removal from the 120 mm blades keeps airflow near 61.3 CFM.

At what noise level does the fan become audible under sustained load?

At maximum 2100 rpm the fan reaches 29 dBA, which is the first limit noticed during prolonged high-speed operation.

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