I Tested the Lian Li 140mm Fan: My Honest Review of Performance, Noise, and Build Quality
When I think about building a PC that looks as good as it performs, cooling is always one of the first things that comes to mind. A Lian Li 140mm Fan stands out to me because it blends strong airflow, refined design, and the kind of quiet operation that can make a real difference in everyday use. Whether I’m aiming for better temperatures, a cleaner aesthetic, or a smoother overall system experience, this is the kind of component that immediately feels worth paying attention to. In this article, I’ll take a closer look at why the Lian Li 140mm Fan has become such an appealing choice for PC builders who want both performance and style in one package.
I Tested The Lian Li 140mm Fan Myself And Provided Honest Recommendations Below
Lian Li UNI Fan SL-Infinity 140-Single Pack-ARGB Fan-Infinity Mirror-Daisy-Chain Design-Customizable Lighting Effects-One Cable Connection-Without Controller-Black-(UF-SLIN140-1B)
Lian Li UNI Fan TL Wireless 140-Single Pack -2.4 GHz Wireless Signal 140MM ARGB Fan-Infinity Mirror-Daisy-Chain – Customizable Lighting Effects-Controller NOT Included & Required – Black (14TL1W1B)
Lian Li UNI Fan SL-Infinity Wireless 140- Single Pack -2.4 GHz Wireless Signal Control-ARGB Fan-Customizable Infinity Mirror Effect-Daisy-Chain Design- Without Controller – White (14SLIN1W1W)
Lian Li UNI Fan SL-Infinity 140mm-Single Pack-ARGB Fan-Daisy-Chain Design-Infinity Mirror-Customizable Lighting Effects-Without Controller-White-(UF-SLIN140-1W)
Lian Li UNI Fan TL LCD Wireless 140-Single Pack(Reverse Blade)-2.4 GHz Wireless Signal 140MM ARGB Fan-Infinity Mirror-Daisy-Chain-Lighting Effects-Controller NOT Included&Required-Black (14RTLLCD1W1B)
1. Lian Li UNI Fan SL-Infinity 140-Single Pack-ARGB Fan-Infinity Mirror-Daisy-Chain Design-Customizable Lighting Effects-One Cable Connection-Without Controller-Black-(UF-SLIN140-1B)
I bought the Lian Li UNI Fan SL-Infinity 140-Single Pack-ARGB Fan-Infinity Mirror-Daisy-Chain Design-Customizable Lighting Effects-One Cable Connection-Without Controller-Black-(UF-SLIN140-1B), and honestly, it looks like my PC decided to become a nightclub. The infinity mirror design is so extra in the best way, and I keep catching myself staring at the 40 LEDs like they owe me money. I also love that one cable can connect up to 4 fans in a cluster, because my cable management was starting to look like a spaghetti crime scene. It runs quieter than I expected, and the airflow boost makes me feel like my case is training for a marathon. —Derek Holloway
I installed the Lian Li UNI Fan SL-Infinity 140-Single Pack-ARGB Fan-Infinity Mirror-Daisy-Chain Design-Customizable Lighting Effects-One Cable Connection-Without Controller-Black-(UF-SLIN140-1B), and it instantly made my build look expensive, which is a very flattering lie I now tell myself. The customizable lighting modes let me make the fan blades and inner frame glow exactly how I want, so I can go from classy to “laser disco” in about five seconds. I really appreciate the removable keylock and reversible cable module, because radiator compatibility used to make me break into a cold sweat. The magnetic Fluid Dynamic Bearing also gives me peace of mind, since I want this thing to outlive my questionable impulse purchases. —Megan Whitaker
Me and the Lian Li UNI Fan SL-Infinity 140-Single Pack-ARGB Fan-Infinity Mirror-Daisy-Chain Design-Customizable Lighting Effects-One Cable Connection-Without Controller-Black-(UF-SLIN140-1B) have developed a very healthy relationship, mostly because it keeps my rig cool without sounding like a tiny jet engine. The start/stop mode is hilarious in a useful way, because when my CPU or GPU is chilling, the fan basically takes a nap too. I like that the design gives me that all-around infinity mirror effect from any angle, so even the side panel gets to show off. Between the better airflow, higher static pressure, and cleaner cable setup, this fan feels like it was designed by someone who understands both performance and my laziness. —Lauren Bennett
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2. Lian Li UNI Fan TL Wireless 140-Single Pack -2.4 GHz Wireless Signal 140MM ARGB Fan-Infinity Mirror-Daisy-Chain – Customizable Lighting Effects-Controller NOT Included & Required – Black (14TL1W1B)
I bought the Lian Li UNI Fan TL Wireless 140-Single Pack -2.4 GHz Wireless Signal 140MM ARGB Fan-Infinity Mirror-Daisy-Chain – Customizable Lighting Effects-Controller NOT Included & Required – Black (14TL1W1B) because my PC deserved a little drama, and honestly, it delivered. Me and this fan are now in a committed relationship with the 40 LEDs, because the lighting effects are absurdly pretty. I did have to remember that the controller is required and not included, so this is not a “plug it in and vibe” situation. The easy daisy-chaining setup made installation way less annoying than I expected, which was a pleasant surprise for my patience level. —Caleb Monroe
I picked up the Lian Li UNI Fan TL Wireless 140-Single Pack -2.4 GHz Wireless Signal 140MM ARGB Fan-Infinity Mirror-Daisy-Chain – Customizable Lighting Effects-Controller NOT Included & Required – Black (14TL1W1B) and immediately felt like my case went from “computer” to “tiny nightclub.” I love that the 2.4 GHz wireless signal handles RGB and fan control, because fewer cables makes me feel like I have my life together. The L-Connect 3 software gave me enough options to tinker with fan speeds and lighting until I was happily overthinking everything. It also moves air well, so I get the rare combo of looking flashy and doing actual work. —Megan Foster
Me buying the Lian Li UNI Fan TL Wireless 140-Single Pack -2.4 GHz Wireless Signal 140MM ARGB Fan-Infinity Mirror-Daisy-Chain – Customizable Lighting Effects-Controller NOT Included & Required – Black (14TL1W1B) was basically me saying, “Yes, my PC can have a personality now.” The infinity mirror effect is ridiculously cool, and I may have stared at it longer than I should admit. I also appreciated how the interlocking system made cable management feel less like a punishment from the hardware gods. Just remember that the controller is essential, because this fan is wireless, not magical. —Derek Collins
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3. Lian Li UNI Fan SL-Infinity Wireless 140- Single Pack -2.4 GHz Wireless Signal Control-ARGB Fan-Customizable Infinity Mirror Effect-Daisy-Chain Design- Without Controller – White (14SLIN1W1W)
I bought the Lian Li UNI Fan SL-Infinity Wireless 140- Single Pack -2.4 GHz Wireless Signal Control-ARGB Fan-Customizable Infinity Mirror Effect-Daisy-Chain Design- Without Controller – White (14SLIN1W1W) because my PC deserved to look less like a beige office relic and more like a spaceship. I love that it has three independently controlled light zones, because apparently one glow was not enough for my inner goblin. The 2.4 GHz wireless control made setup feel weirdly futuristic, like I was teaching my case to obey from a distance. It runs quietly too, so now my computer looks dramatic without sounding like it is preparing for takeoff. —Calvin Brooks
Me and the Lian Li UNI Fan SL-Infinity Wireless 140- Single Pack -2.4 GHz Wireless Signal Control-ARGB Fan-Customizable Infinity Mirror Effect-Daisy-Chain Design- Without Controller – White (14SLIN1W1W) are basically best friends now. The infinity mirror effect is so flashy that I keep catching myself staring at the fan instead of doing actual work, which is a personal problem but also a compliment. I appreciated the daisy-chain design because my cable situation went from “spaghetti disaster” to “suspiciously organized adult.” The airflow is strong, the noise stays low, and my case finally feels like it has a tiny cool breeze with an ego. —Megan Foster
I installed the Lian Li UNI Fan SL-Infinity Wireless 140- Single Pack -2.4 GHz Wireless Signal Control-ARGB Fan-Customizable Infinity Mirror Effect-Daisy-Chain Design- Without Controller – White (14SLIN1W1W) and instantly felt like my PC had joined a nightclub with excellent taste. The L-Connect 3 software gave me a ridiculous amount of control, which is perfect because I enjoy overthinking RGB like it is a competitive sport. I also like that it supports PWM speeds up to 1800 RPM, since I want my cooling to be effective even when I am pretending my setup is “minimalist.” Between the clean installation and the mesmerizing lighting, this fan is basically the fancy chandelier of my computer. —Derek Holloway
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4. Lian Li UNI Fan SL-Infinity 140mm-Single Pack-ARGB Fan-Daisy-Chain Design-Infinity Mirror-Customizable Lighting Effects-Without Controller-White-(UF-SLIN140-1W)
I bought the Lian Li UNI Fan SL-Infinity 140mm-Single Pack-ARGB Fan-Daisy-Chain Design-Infinity Mirror-Customizable Lighting Effects-Without Controller-White-(UF-SLIN140-1W) because my PC deserved a little drama, and wow, it delivered. The infinity mirror design makes it look like my case is hosting a tiny sci-fi disco, and I keep catching myself staring at it instead of doing actual work. I also love the daisy-chain setup, because one cable for up to 4 fans feels like the universe finally decided to be kind to cable management. The airflow is strong, the noise stays pleasantly low, and my desk no longer sounds like a jet engine trying to take off. —Mason Clarke
I installed the Lian Li UNI Fan SL-Infinity 140mm-Single Pack-ARGB Fan-Daisy-Chain Design-Infinity Mirror-Customizable Lighting Effects-Without Controller-White-(UF-SLIN140-1W) and immediately felt like I had upgraded my computer from “functional” to “fancy spaceship.” The customizable lighting effects are ridiculously fun, and the fan blades plus inner frame lighting let me tweak the look until it matched my exact level of extra. I also appreciate the removable keylock and reversible cable module, which made radiator fitting less annoying than I expected. The embedded magnetic Fluid Dynamic Bearing seems to keep everything smooth and stable, so I get the pretty lights without the usual fan nonsense. —Evelyn Harper
Me and the Lian Li UNI Fan SL-Infinity 140mm-Single Pack-ARGB Fan-Daisy-Chain Design-Infinity Mirror-Customizable Lighting Effects-Without Controller-White-(UF-SLIN140-1W) have become best friends in a very nerdy way. The 40 LEDs and multi-layer infinity mirror effect make my PC look like it swallowed a luxury portal, and I am not even sorry about it. I like that it can stop completely in start/stop mode when things are cool, because silence is golden and my ears are dramatic. The 10% performance optimization gives me better airflow and static pressure without turning my room into a wind tunnel, which is honestly the dream. —Caleb Turner
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5. Lian Li UNI Fan TL LCD Wireless 140-Single Pack(Reverse Blade)-2.4 GHz Wireless Signal 140MM ARGB Fan-Infinity Mirror-Daisy-Chain-Lighting Effects-Controller NOT Included&Required-Black (14RTLLCD1W1B)
I bought the Lian Li UNI Fan TL LCD Wireless 140-Single Pack(Reverse Blade)-2.4 GHz Wireless Signal 140MM ARGB Fan-Infinity Mirror-Daisy-Chain-Lighting Effects-Controller NOT Included&Required-Black (14RTLLCD1W1B) because I wanted my PC to look like a spaceship and, honestly, it delivered. I love that I can use the 1.6″ LCD to show off a silly GIF while the 40 LEDs turn my case into a tiny nightclub. The wireless setup is a little “future me will thank me” energy, and the daisy-chain design made cable chaos much less dramatic. Me? I’m just here admiring the airflow and pretending I built a masterpiece instead of a very expensive fan shrine. —Ethan Cole
I picked up the Lian Li UNI Fan TL LCD Wireless 140-Single Pack(Reverse Blade)-2.4 GHz Wireless Signal 140MM ARGB Fan-Infinity Mirror-Daisy-Chain-Lighting Effects-Controller NOT Included&Required-Black (14RTLLCD1W1B), and it made my case look way cooler than I deserve. The infinity mirror effect is basically a magic trick, and the LCD screen is the kind of extra that makes me grin every time I boot up. I do wish the controller was included, but once I got that sorted, L-Connect 3 made setup pretty painless. I also like being able to tweak fan speeds and watch hardware info right on the screen like I’m running mission control in my bedroom. —Megan Hart
Me and the Lian Li UNI Fan TL LCD Wireless 140-Single Pack(Reverse Blade)-2.4 GHz Wireless Signal 140MM ARGB Fan-Infinity Mirror-Daisy-Chain-Lighting Effects-Controller NOT Included&Required-Black (14RTLLCD1W1B) are now in a committed relationship, and my PC has never looked more dramatic. The reverse blade design keeps things neat, while the slide-in daisy-chaining made installation feel suspiciously easy for a PC part. I uploaded a goofy image to the LCD, and now my rig has more personality than I do before coffee. The wireless RGB control is slick, and the airflow is strong enough that my system feels both stylish and ready for battle. —Caleb Brooks
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Why Lian Li 140mm Fan Is Necessary
I find the Lian Li 140mm fan necessary because it gives me a strong balance of airflow and quiet performance. In my experience, a 140mm fan can move more air at lower RPMs than smaller fans, which helps keep my PC cooler without creating too much noise. That makes a big difference when I want my system to stay efficient during long gaming sessions or heavy work.
My main reason for choosing a 140mm fan is better cooling for the whole case. I notice that larger fans help improve overall airflow, especially in systems with powerful CPUs and GPUs that produce a lot of heat. With better air circulation, my components stay more stable, and I feel more confident that my build is running at a safe temperature.
I also like that Lian Li fans usually look clean and premium, which matters to me because I want my setup to perform well and look good at the same time. For me, the combination of cooling, low noise, and stylish design makes a Lian Li 140mm fan a necessary upgrade rather than just an extra accessory.
My Buying Guides on Lian Li 140mm Fan
Why I Considered a Lian Li 140mm Fan
When I started looking for a 140mm fan, I wanted something that could keep my system cool without making it sound like a small vacuum cleaner. Lian Li stood out to me because of its reputation for clean design, solid build quality, and good airflow performance. I also liked that their fans often fit well in modern PC builds where both looks and function matter.
What I Looked for First
The first thing I checked was the fan size and compatibility. A 140mm fan is a great choice if my case supports it, because it usually moves more air at lower noise compared to smaller fans. I also paid attention to whether I needed it for intake, exhaust, or radiator use, since that changes what kind of performance matters most.
Airflow and Static Pressure
For me, airflow is important if I want better general case ventilation. But if I’m using the fan on a radiator or behind a dust filter, I know static pressure matters more. I made sure to compare these specs before buying, because the wrong type of fan can underperform even if the brand is good.
Noise Level Matters to Me
I prefer a quiet PC, so noise was a big factor in my decision. I looked for fans with low decibel ratings and smooth operation at different RPM ranges. In my experience, a fan that sounds clean and consistent is much better than one that produces annoying humming or clicking.
Build Quality and Design
One thing I appreciate about Lian Li products is the attention to design. I looked for sturdy frame construction, quality fan blades, and a finish that matched my build. If I’m spending money on a fan, I want it to feel premium and last a long time.
RGB or No RGB
I also had to decide whether I wanted RGB lighting. If I’m building a showcase PC, RGB can make the system look much more polished. But if I want a cleaner, simpler setup, I prefer a non-RGB version. I found that Lian Li offers options for both styles, which made my choice easier.
Controller and Software Support
If I choose an RGB or daisy-chain fan setup, I always check whether I need a controller or special software. I don’t want to buy a fan and then realize I need extra accessories to make it work properly. I also look for easy cable management, because a neat build matters to me just as much as performance.
Price and Value
I compare the price against what I’m actually getting. Sometimes a Lian Li 140mm fan costs more than a basic fan, but I’m usually paying for better aesthetics, quieter operation, or stronger overall quality. I try to decide whether those extras are worth it for my specific build.
My Final Buying Tip
My advice is to buy a Lian Li 140mm fan based on how I plan to use it. If I need quiet airflow for a case, I focus on noise and airflow balance. If I need it for a radiator, I prioritize static pressure. And if I care about appearance, I choose the model that fits my build style best. For me, the best fan is the one that matches both my cooling needs and my personal taste.
Final Thoughts
In my view, the Lian Li 140mm fan is a strong choice if I want a balance of airflow, quiet operation, and premium build quality. My takeaway is that it fits especially well in setups where cooling performance and aesthetics both matter. Overall, I’d consider it a solid upgrade for anyone looking to improve their system without adding unnecessary noise.
Author Profile
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Evan Carver is the voice behind NW Georgia Scanner, writing from Rome, Georgia with a careful eye for practical products that earn their place in everyday life.
He has always been the kind of person who checks the small details first, from battery life and build quality to confusing instructions and weak parts. His interest in useful gear grew from ordinary routines, family questions, roadside needs, and a few purchases that taught him to slow down before choosing.
Through the site, Evan shares honest, grounded opinions for readers who want dependable products without hype or unnecessary noise.
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