Arctic
Arctic P12 Pro PST 5-Pack
120 · 5 · 77 CFM
8.0
$44.99Nov 9
Lian Li UNI FAN SL-Infinity 120
A 25 mm interlocking ARGB fan with an infinity-mirror frame, rated 61 CFM at 29 dB(A), with 40 LEDs per fan.
- 120
- 1
- 61.3 CFM
- 29 dBA
- ARGB
PCPR score
7.6
Good
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R1
The short version
The UNI FAN SL-Infinity 120 is Lian Li's 25 mm daisy-chaining ARGB fan, rated up to 2,100 RPM, 61.3 CFM and 2.66 mmH2O at 29 dB(A), with 40 LEDs per fan and an infinity-mirror frame. Single packs include a cable module with 4-pin PWM and 3-pin 5 V ARGB leads for direct motherboard connection, while the triple pack adds the L-Connect 3 controller. Lian Li covers it for two years, and no independent review of the fan was read here.
Pros
- Interlocking frame cuts cable clutter, with one cable carrying power and lighting
- 40 LEDs per fan and an infinity-mirror frame
- Single packs include a cable module with 4-pin PWM and 3-pin 5 V ARGB for motherboard headers
Cons
- Lower rated airflow and pressure than Lian Li's UNI FAN TL
- Two-year warranty, shorter than the TL's three years
- No independent review of the fan was read for this entry
Best for
- RGB-focused builds using Lian Li's ecosystem
- Case positions where lighting matters more than peak airflow
J3
Full specifications
Core
- Size
- 120
- Pack size
- 1
Fit
- Thickness
- 25 mm
Performance
- Max speed
- 2,100 RPM
- Airflow
- 61.3 CFM
- Static pressure
- 2.66 mmH2O
- Max noise
- 29 dBA
Connectivity
- Connector
- 4-pin PWM
Features
- Lighting
- ARGB
- Daisy-chain
- Yes
Physical
- Color
- Black
Compatibility notes
- Fan measures 120 x 122.1 x 25 mm.
- Single packs connect directly to the motherboard; triple packs use the L-Connect 3 controller.
P1
Where to buy
- Buy from the maker
Lian Li official page
Direct link
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AV1
Video reviews
Overview · Guide
LIAN LI - UNI FAN SL-INF120 Official Video
LIAN LI
Lian Li's 88-second official video introducing the UNI FAN SL-Infinity 120, its infinity-mirror ARGB fan with a daisy-chain design.
R9
Common questions
Does the SL-Infinity 120 need a controller?
Single packs include a cable module with 4-pin PWM and 3-pin 5 V ARGB leads for direct motherboard use, while the triple pack adds the L-Connect 3 controller.
How does it compare with the UNI FAN TL?
Lian Li rates the SL-Infinity 120 at 61.3 CFM and 2.66 mmH2O against the TL 120's 90.1 CFM and 3.97 mmH2O, with lower rated noise at 29 dB(A).
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