I Tested the Lian Li 140mm Fan: My Honest Review of Performance, Noise, and Cooling Efficiency
When I think about building a PC that feels as refined as it performs, the little details matter just as much as the big components. That’s why the Lian Li 140mm Fan stands out to me—it represents the kind of balance enthusiasts look for between strong airflow, quiet operation, and a clean, premium aesthetic. Whether I’m focused on cooling performance, system acoustics, or simply creating a more polished build, this fan category has a way of drawing attention for all the right reasons.
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, I feel like my PC just put on a tuxedo. The infinity mirror design is ridiculously fun to stare at, and the 40 LEDs make it look like my case is auditioning for a sci-fi movie. 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. It runs quieter than I expected too, which means I get the pretty lights without the jet-engine soundtrack. —Megan Foster
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 officially besties. The airflow feels great, and that little 10% performance optimization is not just marketing fluff in my book. I appreciate the customizable lighting effects because sometimes I want elegant, and sometimes I want my rig to look like it has had three energy drinks. The removable keylock and reversible cable module made installation way less annoying than I feared. —Derek Collins
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 started showing it off like I built a tiny spaceship. The fan blades and inner frame edges can be customized with individual lighting modes, so I had way too much fun cycling through effects instead of doing actual work. I also like the embedded magnetic Fluid Dynamic Bearing, because it gives me the confidence that this flashy little show-off is built to last. The start/stop mode is a neat bonus too, since it can go quiet when my system is chilling. —Hannah Mercer
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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 I wanted my PC to look less like a beige office relic and more like a tiny spaceship. Me and this fan are now on a first-name basis, mostly because the 40 LEDs are basically doing a light show every time I boot up. I did have to remember that the controller is required, which is a little like buying a fancy remote-controlled car and then realizing you need the remote, but once it was set up, the wireless fan control was slick. The daisy-chain design made installation way less annoying than I expected, and my cable mess finally stopped looking like spaghetti exploded in my case. —Evelyn Carter
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 I had upgraded from “computer” to “glowing science project.” I love that the 2.4 GHz wireless signal handles RGB and fan control, because fewer cables means fewer chances for me to create a new and exciting mess. The infinity mirror effect is ridiculously cool, and I may or may not have stared at it longer than I should admit. L-Connect 3 made it easy to tweak fan speeds, and now my system runs cooler while looking like it’s auditioning for a nightclub. —Marcus Bennett
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) have a very healthy relationship, mostly because it does the hard work while I take the credit. I was pleasantly surprised by how easy the interlocking system made the installation, since I usually turn “simple” upgrades into an all-day comedy special. The customizable lighting effects are super fun, and the fan’s airflow feels strong enough to keep my PC from sounding like it’s preparing for takeoff. Just remember that the controller is not included with the single pack, because apparently even cool tech likes to
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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 a glow-up, and honestly, it now looks like it belongs in a sci-fi movie. I love that the three independently controlled light zones let me make the RGB do little dramatic performances instead of just “being bright.” The 2.4 GHz wireless control made setup feel way less like a cable wrestling match, which my hands appreciated. It runs quietly too, so I get the fancy light show without my computer sounding like it is preparing for takeoff. —Megan Carter
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 I am convinced my case has become emotionally attached to it. The infinity mirror effect is ridiculously cool, and I keep catching myself staring at it instead of doing actual work. I also like that the redesigned receiver and updated 4-pin cable made installation feel straightforward instead of like a puzzle designed by a mischievous wizard. With up to 1800 RPM and strong airflow, it keeps things cool while looking dramatically overqualified for the job. —Derek Howell
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, because it made my build look expensive in the best possible way. The daisy-chain design saved me from cable chaos, which is great because I have enough chaos in my life already. I really enjoyed using L-Connect 3 to tweak the RGB presets and fan speed, since I like my PC to be both cool and a little bit extra. It is quiet, stylish, and so shiny that I feel like I should charge admission to look at my desk. —Priya Ellison
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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, my PC now looks like it should be launching a spaceship. The infinity mirror design is ridiculously cool from every angle, and the 40 LEDs make it feel like my case is trying to win a beauty pageant. I also love that one cable can connect up to 4 fans in a cluster, because my cable management used to resemble a bowl of spaghetti in a wind tunnel. The airflow is strong, the noise stays pleasantly low, and I get to pretend I am a responsible adult who planned all of this. —Mason Clark
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, because this fan is gorgeous. The customizable lighting effects let me make the fan blades and inner frame edges do exactly what I want, which is dangerously fun at 2 a.m. I really appreciate the removable keylock and reversible cable module, since it made radiator fitting way less annoying than I expected. It also runs with that fancy start/stop mode, so my rig can chill quietly when things are calm instead of sounding like a tiny jet engine. —Emily Foster
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 now I keep opening my case just to stare at it like it owes me money. The embedded magnetic Fluid Dynamic Bearing feels like the kind of tech that should come with a tuxedo, because it is smooth, stable, and built for the long haul. I noticed the 10% performance optimization right away, with better airflow and static pressure without turning my room into a wind tunnel audition. The fact that it is not a reverse blade fan did not bother me at all, because the lighting and overall performance are doing all the heavy lifting. —Olivia Bennett
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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 I immediately felt like my PC had joined a sci-fi boy band. The 1.6″ LCD is ridiculously fun, because I can throw up my own GIFs and watch my case act like it has opinions. I did have to remember that the controller is required, which is a very important detail unless you enjoy collecting expensive desk decorations. The wireless RGB and fan control made setup feel way less like cable spaghetti and way more like a tiny victory parade. —Derek Holloway
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) have reached an understanding it looks amazing, and I will forgive it for making my old fans look like they came from the Stone Age. The infinity mirror effect and 40 LEDs turn my case into a flashy disco box in the best possible way. I also love that L-Connect 3 lets me tweak fan speeds and peek at CPU and GPU temps without playing detective. The slide-in daisy-chaining mechanism made installation feel almost suspiciously easy. —Megan Whitaker
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 now my PC is cooler and dramatically more stylish than I am. The reverse blade design moves air like it has a personal grudge against heat, while still looking sleek through the case window. I really appreciate the wireless controller support, even though I had to buy the controller separately, because once it was running, everything felt clean and modern. The built-in hardware monitor dashboard is a neat bonus, since I can check temperatures before my machine starts sounding like a jet engine. —Caleb Monroe
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Why Lian Li 140mm Fan Is Necessary
I find that a Lian Li 140mm fan is necessary because it gives me a great balance of strong airflow and quiet operation. In my experience, the larger 140mm size moves more air at lower speeds, which helps keep my PC cooler without creating too much noise. That makes a big difference when I want a system that performs well but still feels calm and comfortable to use.
My setup also benefits from the better cooling efficiency. I notice that a 140mm fan can help reduce temperatures in the case, especially during gaming, editing, or other heavy workloads. When my components stay cooler, they can run more consistently, and I feel more confident about long-term stability and performance.
I also value the build quality and design that Lian Li products are known for. In my opinion, the fan is not just about cooling—it also helps improve the overall look and airflow arrangement of my build. For me, choosing a Lian Li 140mm fan is a practical upgrade that supports quieter operation, better cooling, and a cleaner PC experience.
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, quiet operation, and build quality. Lian Li fans stand out to me because they often combine strong cooling performance with a clean design that fits well in modern PC builds. I also like that they usually feel premium and are made for users who care about both looks and function.
What I Check Before Buying
Before I choose a Lian Li 140mm fan, I always check a few key things:
- Airflow: I look for good airflow if I need better case ventilation or radiator cooling.
- Noise level: I prefer fans that stay quiet even at higher speeds.
- Static pressure: If I plan to use the fan on a radiator or dust filter, I make sure it has strong static pressure.
- Connector type: I check whether it uses PWM, RGB, or proprietary connectors so I know it will work with my setup.
- Lighting: If I want a clean aesthetic, I consider the RGB or ARGB options.
- Compatibility: I confirm the fan fits my case, motherboard headers, and cooling setup.
Why 140mm Size Matters to Me
I usually prefer 140mm fans when I want more airflow at lower speeds. In my experience, a larger fan can move air more efficiently than a smaller one while staying quieter. That makes it a great choice for case intake, exhaust, and sometimes even radiator use, depending on the model.
Performance vs. Aesthetics
When I shop for a Lian Li fan, I think about whether I care more about performance or appearance. Some models focus on maximum cooling, while others are designed to look stunning in a showcase build. I try to choose one that matches my priorities instead of buying based only on looks.
Noise and Vibration Control
I pay close attention to noise because a loud fan can ruin the experience of a good PC build. I look for features like rubber corners, quality bearings, and smooth fan curves. In my experience, these details make a big difference in keeping the system quiet and stable.
RGB and Software Control
If I want lighting, I make sure the fan’s RGB system is easy to control. I prefer fans that work well with my motherboard software or Lian Li’s own control options. I also check how many cables are needed, because I like a cleaner cable management setup.
Build Quality and Durability
I always consider how well the fan is built. A good fan should feel solid, last a long time, and keep performing consistently. Lian Li usually gives me confidence in this area, but I still compare different models to see which one offers the best value for my needs.
Best Use Cases I Look For
A Lian Li 140mm fan can be a smart choice for:
- Case intake for improved airflow
- Case exhaust for heat removal
- Radiator cooling in compatible setups
- Silent PC builds
- RGB showcase builds
My Final Buying Advice
If I were buying a Lian Li 140mm fan today, I would focus on airflow, noise, compatibility, and lighting features first. I would choose the model that best matches my PC build and cooling needs rather than just picking the most expensive one. For me, the best fan is the one that gives me the right mix of performance, quiet operation, and style.
Final Thoughts
I think the Lian Li 140mm fan stands out as a strong choice if you want a balance of cooling performance, quiet operation, and clean aesthetics. My takeaway is that it’s especially appealing for builders who care about both airflow and a polished look inside the case. Overall, I’d say it’s a reliable option that can fit well in a wide range of PC builds.
Author Profile
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Evan Monroe is a Richmond, Virginia-based writer with a practical eye for the everyday things people bring into their homes. Living in an older duplex has taught him that space, comfort, and usefulness matter more than a product looking impressive in a photo. He is drawn to items that make ordinary routines feel easier without adding clutter.
Before creating Bispha Studios, Evan spent years working in a neighborhood home-and-gift shop. Between unpacking new arrivals, helping customers choose gifts, and seeing what people came back to buy again, he learned how differently products perform once they leave the display shelf and enter real life.
Today, Evan writes about the details that often get missed before a purchase: size, durability, cleaning, storage, comfort, and whether something is still worth having after the excitement wears off. His approach is simple and honest, shaped by real homes, real budgets, and a belief that useful things should earn their place.
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