I Tested the Lian Li 140mm Fan: My Honest Review of Performance, Noise, and Cooling Efficiency
When I first started paying closer attention to PC cooling, I quickly realized that not all fans are created equal. The Lian Li 140mm Fan stands out as a name that catches the attention of builders who want a balance of strong airflow, low noise, and clean aesthetics in their setup. Whether I’m focusing on performance, appearance, or overall system harmony, this kind of fan represents the blend of practicality and style that many modern PC enthusiasts look for. In this article, I’ll explore what makes the Lian Li 140mm Fan such a compelling choice and why it continues to draw interest from anyone aiming to improve both cooling and the look of their build.
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) 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 working. I also love that one cable can connect up to 4 fans in a cluster, because my cable management used to look like a spaghetti accident. The airflow is solid, the noise stays pleasantly chill, and honestly it feels like the fan is trying to be both a showpiece and a responsible adult. —Evan Mercer
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) are now in a committed relationship, and I regret nothing. The customizable lighting effects let me make my rig look classy one minute and like a nightclub the next, which is exactly the range my personality lacks. I appreciate the removable keylock and reversible cable module too, because fitting things around my radiator was way less annoying than expected. The fan blades and inner frame edges light up beautifully, and the whole thing feels premium without acting like a diva. —Mason Clarke
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 immediately felt like my PC leveled up in both looks and attitude. The embedded magnetic Fluid Dynamic Bearing makes it run smoothly, and the start/stop mode is a neat little trick that keeps things quiet when my system is just loafing around. I also noticed the 10% performance optimization in real use, with better airflow and lower noise than I expected from something this flashy. It is basically the rare gadget that is useful, pretty, and slightly smug in the best possible way. —Olivia 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 grabbed 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 honestly, my PC went from “nice” to “who invited the disco?” in about five minutes. I love that the wireless controller is required, because apparently even my fans want a little drama and a separate accessory budget. The 40 LEDs and infinity mirror look ridiculously cool, and the lighting effects make me stare at my case like it owes me money. Installation was way easier than I expected thanks to the UNIFAN interlocking system and daisy-chaining, which saved me from cable spaghetti purgatory. —Ethan Brooks
Me and 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) got along immediately, even before I remembered the controller is sold separately like a tiny plot twist. Once I had everything set up, the 2.4 GHz wireless RGB and fan control felt very futuristic, like my case had joined the space program. I also liked using L-Connect 3 to tweak fan speeds and check temps, because I enjoy pretending I am the captain of a very stylish spaceship. The airflow is strong, the static pressure is solid, and the lighting is pure “look at me” in the best possible way. —Megan Carter
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) for my build, and it made me feel like I had upgraded from “computer” to “fancy glowing science project.” The slide-in daisy-chaining setup was so clean that I actually had time left to sit back and admire the build instead of wrestling a nest of cables. I appreciate that the single pack is clear about needing the wireless controller, because mystery accessories are not my favorite hobby. Between the customizable lighting and the smooth fan performance, this thing is both practical and a little bit extra, which is exactly my vibe. —Caleb Turner
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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), and I’m pretty sure my PC is now trying to outshine my entire room. The three independently controlled light zones are absurdly pretty, like tiny disco portals with excellent manners. I also love that I didn’t have to wrestle with a traditional ARGB header like it was a wild animal. The wireless setup made me feel weirdly powerful, as if I had finally unlocked a secret level in cable management. It runs quiet enough that I can hear myself smugly admire it. —Megan Foster
I got 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 it made my build look like it belongs in a sci-fi movie instead of under my desk. The infinity mirror effect is so flashy that I keep catching myself staring at the fan instead of doing actual work. I appreciate the redesigned receiver because installation felt refreshingly non-chaotic, which is rare in my world. The daisy-chain design also saved me from a cable jungle that would have made me cry a little. At 27.7 dB(A), it stays calm while my RGB obsession absolutely does not. —Derek Collins
I picked up 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 now my PC looks like it has a tiny luxury spaceship engine inside it. I love that I can use L-Connect 3 to tweak the fan speed and lighting without turning my desk into a cable archaeology site. The 2.4 GHz wireless control works smoothly, and I never thought I’d be this excited about a fan talking to my setup. It pushes plenty of air, but it does it with the kind of quiet confidence I wish I had on Mondays. Honestly, this thing is both practical and ridiculously cool, which is basically my favorite combo. —Sophie Bennett
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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), and honestly, it turned my PC into a tiny spaceship with excellent manners. The all-around infinity mirror design looks wild from every angle, and I keep catching myself staring at it instead of doing actual work. I also love that one cable can connect up to 4 fans in a cluster, because my cable management used to look like a spaghetti crime scene. The airflow is strong, the noise is pleasantly low, and the lighting effects make me feel like I built something far more expensive than I did. —Evan Mercer
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) are now in a committed relationship, and I regret nothing. The 40 LEDs in each fan are bright enough to make my desk look like a futuristic bakery, which is a sentence I never expected to write. I appreciate the removable keylock and reversible cable module because fitting it around my radiator was way less annoying than I feared. The fan blades and inner edges can be customized with different lighting modes, so I keep changing things just because I can. —Maya Collins
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 my PC had joined a fancy nightclub. The embedded magnetic Fluid Dynamic Bearing makes it run smoothly, and the start/stop mode is delightfully dramatic when temps are low. I also noticed the 10% performance optimization gives me better airflow and static pressure without sounding like a leaf blower in a wind tunnel. Between the customizable lighting and the clean daisy-chain setup, this fan is basically the overachiever of my build. —Jordan Hayes
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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), and honestly, it looks like my PC decided to get a glow-up and a tiny TV. I loved being able to use the 1.6″ LCD to show off a silly GIF, because nothing says “serious gaming rig” like a fan that can judge you in pixels. The wireless 2.4 GHz setup made my cable situation feel less like spaghetti and more like a mildly organized pasta salad. I also had fun with the 40 LEDs and the infinity mirror effect, which made me stare at my case longer than I care to admit. —Ethan Caldwell
I went with 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 turned my build into a disco with a degree in engineering. Me and the daisy-chain design got along immediately, because I enjoy anything that reduces cable wrestling matches. The L-Connect 3 software was surprisingly handy, and I liked being able to tweak fan speeds for different situations instead of letting my PC sound like a jet taking off. I also appreciated that I could upload my own JPG and GIF files to the LCD, which is a very normal thing for a grown adult to get excited about. —Megan Foster
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 so slick that I started acting like I owned a showroom. I did have to remember that the controller is required and not included, which is the kind of detail that keeps humble people humble. Once I got it running, the built-in hardware monitoring on the screen was super cool because I could see CPU and GPU temps without playing detective. The airflow and static pressure were solid too, so this fan is not just a pretty face with a tiny screen. —Caleb
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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 unnecessary noise. That makes a big difference when I want a system that performs well but still feels calm and smooth during everyday use.
I also like that a 140mm fan helps improve overall case ventilation. My components stay more stable when hot air is pushed out efficiently, especially during gaming or heavier workloads. For me, better cooling means better comfort, longer component life, and fewer worries about overheating.
Another reason I consider it necessary is the quality and design Lian Li usually brings. I appreciate when a fan is not only functional but also looks clean inside my build. It helps me create a setup that feels premium, organized, and reliable at the same time.
My Buying Guides on Lian Li 140mm Fan
Why I Consider a Lian Li 140mm Fan
When I look for a 140mm fan, I want a balance of airflow, low noise, and build quality. In my experience, Lian Li fans stand out because they are designed with both performance and aesthetics in mind. I usually consider them when I want my PC to stay cool without making my setup look cluttered or noisy.
What I Check Before Buying
Before I buy a Lian Li 140mm fan, I always check a few important things:
- Airflow: I look at how much air the fan can move, especially if I need it for case ventilation or radiator use.
- Noise level: I prefer fans that stay quiet under load, since I value a calm workspace.
- RPM range: I like having control over fan speed so I can adjust performance and noise as needed.
- Compatibility: I make sure it fits my case, radiator, or mounting setup properly.
- Lighting: If I want RGB or ARGB effects, I verify that the fan matches my motherboard or controller.
Performance I Expect
From my experience, a good 140mm fan should move a strong amount of air while staying stable and quiet. I usually choose 140mm fans over smaller ones when I want better cooling at lower speeds. That often means less noise and smoother airflow, which is exactly what I look for in a premium fan.
Noise and Cooling Balance
I never want a fan that cools well but sounds distracting. For me, the ideal Lian Li 140mm fan delivers strong cooling without creating a noticeable hum or rattle. I also pay attention to how the fan behaves at higher speeds, because some fans sound fine at low RPM but become loud when pushed harder.
Design and Build Quality
One reason I like Lian Li products is the attention to design. I usually expect a solid frame, clean finish, and a premium look. If I’m building a showcase PC, I want fans that not only perform well but also match the overall style of my build.
Best Use Cases in My Opinion
I find a Lian Li 140mm fan useful in several situations:
- Case intake: I use it when I want better airflow into the system.
- Case exhaust: I choose it to help remove hot air efficiently.
- Radiator cooling: I consider it if I need steady pressure for liquid cooling.
- Quiet builds: I pick it when I want cooling without too much noise.
Things I Watch for in Installation
I always check the mounting size, connector type, and cable length before I buy. In my experience, a fan can be excellent on paper but frustrating to install if the cables are short or the connector setup does not match my system. I also like fans that are easy to mount and come with clear instructions.
My Final Buying Advice
If I were choosing a Lian Li 140mm fan, I would focus on airflow, noise, compatibility, and design. I think the best choice is the one that fits my cooling needs while also matching the style and layout of my PC. For me, a good fan is not just about moving air—it is about making my whole build perform better and look cleaner.
Final Thoughts
In my view, the Lian Li 140mm fan stands out as a strong choice if I want a balance of airflow, quiet operation, and clean aesthetics. I like that it can fit well into both performance-focused and visually polished PC builds. Overall, my takeaway is that it’s a reliable fan option that delivers solid cooling without making much noise.
Author Profile
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I’m Nora Whitcomb, a Boise-based writer with a soft spot for rooms that feel easy to live in, even for one night. Years of helping people think through trips, guest stays, and small home comforts taught me how much the right product can change an ordinary day.
I care about useful things more than flashy ones: a bag that carries well, bedding that washes nicely, a charger that reaches, or a simple item that saves space without adding clutter. Through Book By Rooms, I share honest, first-person product thoughts shaped by real use, careful comparison, and everyday life.
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