Lian Li UNI Fan SL-INF 120 Review: Style Meets Cable Ease
A Reddit user summed it up perfectly: "I would recommend these to anybody who wants performance and style in a really great and sturdy package." That sentiment aligns with the 4.6–5.0 star averages across platforms for the Lian Li UNI Fan SL-INF 120 RGB Infinity Mirror ARGB Black, marking it as one of the most visually striking and cable-managed case fans available, with performance that satisfies most builders. Overall score: 9/10.
Quick Verdict: Yes — particularly for PC builders chasing perfect aesthetics and streamlined cabling.
| Pros | Cons |
|---|---|
| Stunning infinity mirror RGB visible from all angles | Premium price compared to competitors |
| Daisy-chain design minimizes cables | Pads on corners may have defective glue for some users |
| Quiet operation even at high RPM | RGB control conflicts with certain motherboard software |
| High airflow with reverse blade option | Fiddly installation of side mirror protectors |
| Solid build with fluid dynamic bearings | Controller sold separately for single packs |
| L-Connect 3 offers fine-grained control | Limited compatibility hiccups with Asus Armoury Crate |
| Multiple size (120/140mm) and orientation options | Software lacking features compared to expectations |
Claims vs Reality
Marketing pushes the "all-around infinity mirror design" as an immersive aesthetic centerpiece. On inspection, this claim holds strong — LDLC customer florian m said, "The colours are really beautiful, and the mirror effect really gives the tower a spectacular effect." PCPartPicker reviewers consistently describe the RGB as “bright and vibrant,” with one noting, "The 'infinity mirror' looks very nice."
Another advertised point is "simple cable management" thanks to the daisy-chain design. Lian Li promises “one cable to connect up to 4 fans.” User experiences validate this. Reddit user feedback mentions, "Being able to daisy-chain the fans and also remove the attach brackets really adds to the clean look." eBay and LDLC buyers also highlight the reduced clutter, important for showcase builds like the O11 Dynamic.
The "quieter operation at high speed" claim, especially for reverse blade intake setups, gets mixed validation. While many state they're “super quiet” (PCPartPicker: "These fans are super quiet with amazing performance"), one Amazon buyer noted the 32 dBA rating feels accurate — audible but unobtrusive. Reverse blades also reportedly lower wind noise on radiators, according to manufacturer data, but few independent users quantified this.
Cross-Platform Consensus
Universally Praised
Across Amazon, Reddit, LDLC, and PCPartPicker, aesthetics dominate praise. A verified LDLC customer erict described them as having "superb RGB, software works very well with the hub." For builders with large glass-panel cases, the layered lighting zones create depth. This appeals to gamers and streamers whose setups are often on display — multiple PCPartPicker reviews fixate on how “absolutely beautiful” they look in themed builds.
Cable management is another unchallenged strength. The daisy-chain system and removable keylocks keep interiors tidy, streamlining radiator fits. Fakespot analysis described them as "easy to install, easy to configure with the L Connect software, and minimal wires" — a boon for anyone building in cramped mid-towers or cases with dense AIO setups.
Performance-wise, airflow ratings hold up in reality. Users in warmer climates or overclocked builds report stable temps thanks to the 61–69 CFM spreads. As Reddit comments put it: "They perform really well and keep the inside of the case really cool." The fluid dynamic bearings are rarely mentioned directly, but the general scarcity of noise complaints points to effective vibration control.
Common Complaints
The two biggest frustrations are price and component quirks. Multiple sources, including Fakespot and LDLC's thibautp, admit they're expensive: "Superb product... well worth the price!" but also “ridiculously priced,” making them a harder sell for budget-conscious builders. Buyers on eBay and Amazon note they hesitated but bought due to aesthetics overpowering cost rationality.
Physically, corner pads with defective adhesive appear in isolated cases. A Reddit critical review said, "Pads sag and come off easily." While Lian Li provided replacements in that instance, it undermined perceptions of premium build. Additionally, installing side infinity mirror protectors was described as unnecessarily tricky.
Software integration presents another recurring irritation: conflicts between L-Connect 3 and motherboard RGB suites. Fakespot users cite problems with Asus Armoury Crate breaking lighting control, requiring manual troubleshooting. For those reliant on unified control, such issues add unexpected complexity.
Divisive Features
Reverse blade operation evokes both admiration and skepticism. It solves bracket visibility for intake aesthetics, as one Fakespot reviewer advises: "If you want a cleaner look get the reverse version of these fans." However, some question if airflow gains justify extra noise potential — though manufacturer notes claim lower wind noise on radiators. Quiet-PC purists lean standard; showcase builders embrace reverse for visual symmetry.
Triple packs with included controllers offer a more complete experience; single packs without controllers can frustrate first-time buyers who miss that detail, forcing separate purchases. This split is evident in market listings, where one-pack buyers often later upgrade for unified control.
Trust & Reliability
Long-term feedback is still emerging, but durability appears solid. Fluid dynamic bearings and aluminum trim withstand months of continuous operation without reported mechanical failures. PCPartPicker’s predominantly 5-star cluster suggests sustained satisfaction over time.
Trustpilot content mirrors Reddit praise but flags intermittent quality control lapses (corner pads). The proactive replacement by Lian Li in one Reddit case helps assuage reliability fears. However, software control issues tied to specific motherboard ecosystems can erode trust, particularly for those expecting plug-and-play behavior.
Alternatives
The Lian Li AL120 remains the direct comparison point. One Reddit user conceded the SL-INF "looks slightly better than the AL120" but noted AL’s pads do not suffer adhesive issues. While AL120 shares the daisy-chain DNA, SL-INF’s triple-zone infinity mirror multiple-layer lighting appeals to aesthetic-focused builders over AL’s simpler shine.
Budget RGB options like AsiaHorse were mentioned but dismissed due to scarcity in certain regions ("Wanted to buy... but were sold out in Canada" — PCPartPicker). These may undercut on price but lack Lian Li’s cohesive software ecosystem and mechanical fit/refinement.
Price & Value
Market prices hover $84–89 USD for triple packs with controllers, and ~$30 for singles without controller (eBay/PicClick data). Discounts occasionally drop triples into the low $70s — Amazon listings confirm -6% moments. LDLC’s European price aligns near €119 for triples.
Resale value retains strength thanks to scarcity of white or reverse blade editions. For maximum savings, users advise buying triple packs instead of piecing singles plus separate controllers; daisy-chaining minimizes additional cables/hubs.
FAQ
Q: Do I need a controller for a single fan purchase?
A: Yes, if you want L-Connect 3's full control. Single packs do not include controllers, so factor in that additional cost or limit yourself to motherboard PWM/RGB control.
Q: Will these work with Asus Armoury Crate without issues?
A: Possibly, but some users reported conflicts where lighting failed until Armoury Crate was uninstalled or settings adjusted.
Q: Are reverse blade fans louder?
A: Specs show slightly higher noise potential (32 dBA), but many find intake wind noise reduced when mounted on radiators. Preference depends on your noise tolerance and aesthetic priorities.
Q: How many fans can be daisy-chained in one cable run?
A: Up to four in a cluster via pin-to-pad connections, greatly simplifying cabling in multi-fan radiator setups.
Q: Is the RGB as bright as advertised?
A: Yes. Multiple reviews across PCPartPicker and LDLC praise its vibrancy and mirror depth, making it stand out in glass or open display cases.
Final Verdict: Buy if you’re a style-first builder who values immaculate cable management and layered RGB lighting — these excel in showcase builds. Avoid if you’re budget-restricted or need zero-risk software integration with your motherboard’s RGB suite. Pro tip from the community: grab the triple pack to save money and dodge controller sourcing headaches.





