Lian Li UNI Fan SL-INF 120 Review: Stunning RGB, Solid Cooling
A Reddit user summed it up best: “If you’re thinking about buying them right now, do it.” The Lian Li UNI Fan SL-INF 120 RGB Infinity Mirror ARGB Black is drawing consistent praise for its blend of aesthetics, cable management, and airflow. With average ratings hovering around 4.7/5 across platforms, this 120mm fan targets builders who want performance without sacrificing clean visuals. Verdict: 9/10 — stunning design and solid cooling, but minor quirks in software and pricing keep it from perfection.
Quick Verdict: Conditional — best for RGB-focused PC builders who value cable cleanliness
| Pros | Cons |
|---|---|
| Striking infinity mirror RGB effects visible from all angles | Price is higher than many competitors |
| Daisy-chain design simplifies cable management | ARGB software can be glitchy |
| Strong airflow with low noise at mid-range RPMs | Lighting can appear dim until fine-tuned |
| Reverse blade option for cleaner radiator intake look | Some reports of pad adhesive failing |
| Quiet operation at idle and moderate loads | Controller sold separately for single packs |
Claims vs Reality
Lian Li markets the SL-INF 120 as offering “silence at high fan speed” and “uncompromised performance”. On paper, the 63.6 CFM airflow, 32 dB noise rating, and infinity mirror LED design support these claims.
Digging deeper into user reports, the “silence” claim is contextual. Reddit user feedback shows that while noise at max RPM is not intrusive — “you’ll still be able to hear it, but it is barely noticeable” — at full tilt it’s not silent, especially in quieter room conditions. Builders using them in multi-fan setups consistently mention acceptable noise levels, particularly for aesthetic-oriented rigs.
The promise of “easy installation” via daisy chaining is almost universally validated. A PCPartPicker reviewer noted: “They were super easy to install… didn’t have to wire them individually”. Cable reduction makes for cleaner builds and less work, especially in cases with high fan counts. However, the absence of included controllers in single pack purchases has caught some buyers off guard, requiring extra purchases for full ARGB functionality.
Cross-Platform Consensus
Universally Praised
Across Amazon, Reddit, and PCPartPicker, the infinity mirror lighting is called out as a differentiator. A verified Amazon buyer said: “Look fantastic, especially with the infinity mirrors”, while LDLC customer Florian M described the mirror effect as “spectacular”. For RGB enthusiasts, the multi-layer look delivers a premium visual impact unmatched by standard ring or blade lighting.
Cable management wins constant approval. Builders running up to 10 fans in an O11 Dynamic case cite the time saved and cleaner internal appearance. Lian Li’s pin-to-pad connection allows up to four fans per cluster with no visible cabling between them — ideal for showcase PCs. LDLC reviewer Alexis D called the setup “absolutely perfect… thanks to the daisy chain system”.
Performance is solid for most workloads. Honorary mentions come from high-heat builds pairing these with GPUs like the RTX 7900 XTX. A PCPartPicker user shared: “They keep my PC cool enough… fans are surprisingly quiet”. Even in reverse blade mode, airflow holds up, with intake orientation providing lower wind noise on radiators.
Common Complaints
Software stability appears as a recurring gripe. Several PCPartPicker and Fakespot reviews mention glitchy ARGB control, with some needing to reseat connections multiple times. One user admitted to troubleshooting for hours when lights stopped working: “Software is still glitchy, but not unusable”. Builders mixing Lian Li’s L-Connect with motherboard RGB control (especially ASUS Armoury Crate) report conflicts.
Brightness perception is also divisive — some find the LEDs dim until colors are precisely tuned. A PCPartPicker comment described them as “really faded and dim until you find the right shade”. Those expecting maximum saturation out-of-the-box may need to adjust settings in L-Connect 3.
Physical build quality sees rare but notable mentions. A negative Reddit review cites defective glue on corner pads: “Pads sag and come off easily”. While most report sturdy construction, adhesive-related defects occasionally mar the experience.
Divisive Features
The price draws mixed reactions. Fakespot analysis quotes: “They are ridiculously priced and I almost didn’t want to buy them… but well worth it if you want quality fans”. Value is tied heavily to how much buyers prioritize aesthetics — performance-per-dollar seekers may look elsewhere.
Reverse blade fans spark split opinion. For some, they provide a cleaner visual when fans are used for intake; others prefer standard blade orientation for maximum airflow efficiency. Functionally, differences are minor, but visual preference drives choice.
Trust & Reliability
No major scam flags appear in Trustpilot or Fakespot data, with over 80% of reviews rated as high quality. Lian Li’s build reputation holds up — multiple Redditors mention running the fans for months without mechanical degradation.
Durability praise often ties back to the embedded fluid dynamic bearing. Users with high-hour gaming PCs report consistent RPM performance and no wobble. However, long-term owners remain cautious about pad adhesive, given isolated reports of sagging.
Alternatives
While only the Lian Li AL120 surfaces in comparative reviews, differences are worth noting. Reddit user critiques say the SL-INF “looks slightly better than the AL120” but cite pad adhesive as a downgrade in this iteration. AL120 lacks the infinity mirror effect but shares similar daisy-chain functionality.
Builders prioritizing raw airflow over visual effects may opt for high-static pressure radiator fans from Noctua or Corsair, though these lack the SL-INF’s signature look.
Price & Value
As of current listings, single packs hover around $35-$43, with triple packs reaching $99-$149 depending on bundles. eBay resale trends show used sets retaining high value, especially when sold with controllers.
Community buying tips center on pack selection — LDLC and Amazon reviewers suggest opting for triples when possible, as hubs/controllers are included and per-fan cost drops.
FAQ
Q: Does the single pack include a controller?
A: No. Single packs require a separately purchased controller or motherboard ARGB header for lighting control, as confirmed by multiple seller listings.
Q: How quiet are these at full speed?
A: While marketed as quiet, they produce noticeable but tolerable noise at 2100 RPM. Most users find them near-silent at mid-range speeds.
Q: Can they be used for radiator intake?
A: Yes. Reverse blade models are optimized for intake on radiators, reducing wind noise and revealing the infinity mirror effect front-facing.
Q: Is L-Connect 3 reliable?
A: Opinions vary. Many find it functional, but occasional glitches and RGB detection issues are reported, especially when mixing with other RGB control software.
Final Verdict: Buy if you’re an RGB-oriented PC builder aiming for visually stunning, clean builds with solid cooling. Avoid if you require maximum brightness out-of-the-box or want the cheapest airflow-per-dollar. Pro tip: Opt for the triple pack to get the controller and lower per-fan cost.
