Lian Li UNI Fan SL Flex 120mm Reverse Blade ARGB Fan, 3
Lian Li UNI Fan SL Flex 120mm Reverse Blade ARGB Fan, 3 Pack, Black Controller Included (12RSL1F3B)
- Controller Included. Please double-check the airflow direction and model type before purchase to avoid ordering the incorrect version.
- Features a re-designed infinity mirror side frame.
- ARGB Lighting Control: 5V 3-Pin ARGB Control Mode allows users to manage fan lighting via motherboard software while controlling fan speed through PWM or wireless options.
- Support flexible control options, allowing users to choose between motherboard PWM or L-Connect 3 control while maintaining wireless functionality and simplified cable management.
- Programmable RGB lighting enhances visual appeal and synchronizes perfectly with other Lian Li products.
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| SKU: | B0GVQZQM3M |
| Brand: | Lian Li |
| Part: | 12RSL1F3B |
| Manufacture: | LIAN LI |
From the brand
Great Cooling Performance, Customization & Attractive Lighting
I grabbed this set of three Lian Li UNI Fan SL Flex 120mm ARGB fans to be paired with my existing Lian Li UNI Fan SL-INF LCD Flex 120mm reverse fans. The fans have a well-built and rigid feel to them without any noticeable wiggle or slop around the fan hub area. The blade design works great for getting the airflow direction I wanted while keeping the visible side looking clean in my build. These fans matched perfectly with my existing fans except these do not have LCD screens in the hub area. The installation of this kit was quick and easy, and the modular connection system makes cable management much cleaner than with traditional fans. Mounting the fans to my chassis and radiator was effortless since the screw holes on the fans matched my PC chassis. The lighting is bright, smooth, and vibrant without looking overly excessive. Performance has also been excellent, with smooth operation and strong airflow while keeping noise levels reasonable. These fans run quiet, but they are not totally silent. I’ve noticed consistent temperatures during longer gaming and multitasking sessions. Overall, these fans combine great cooling performance, customization, attractive lighting, and clean-looking installation in one package.
Great Looking and Performing Fans But Need A USB Dongle
Lian Li really knocked it out of the park with these fans. Visually, they look amazing in the case, and they deliver awesome performance while staying surprisingly quiet even under load.
The interlocking mechanism makes installing them super easy by daisy chaining them together. This means you aren’t dealing with a rat’s nest of extra cables, which makes for a super clean build. My only real disappointment is that you have to use a USB dongle just to control them. Taking up an extra external port is a bit of a hassle and its large, but if you can spare the plug, the killer looks, quiet operation, and easy setup make them totally worth it.
Very impressed with the design, quality, and engineering that went into these fans
This 3 Pack of Lian Li UNI Fan SL Flex 120mm ARGB fans is the most technically impressive set of PC fan’s I’ve worked with. Over the years, I’ve bought a lot of Noctua, Antec, and Be Quiet brand fans, all of which have served their purpose and worked well to cool my PCs. But these Lian Li fans have a bunch of really well engineered features that make them such a pleasure to use and look at.
The first of these features is that the fans snap together with integrated brackets, with no tools needed. They can join into blocks of up to four fans. When they are attached to each other, the fans pass power and ARGB signals through built in spring loaded contacts from one to another, completely eliminating the need for a cable running to each fan. This alone makes them worth taking a good look at when designing a high end PC cooling setup. The second unique feature is that these fans can be fitted with the included wireless receiver, then controlled remotely via the included USB transmitter. This really cuts down on cable clutter. The only connection needed for the entire block of fans is a single power cable. If you don’t want to use the wireless transmitter, a regular ARGB cable is included that attaches directly to the fans. At a mechanical level, these are listed as having a fluid dynamic bearing setup rather than sleeve bearings, so they should run well and stay quiet for a very long time.
Airflow is good, and these fans run very quiet. I could not hear them in my somewhat noisy workshop up to almost their full speed of 2000RPM. The RGB lighting quality is very nice, with both front and side illumination. RGB lighting is not a huge feature to me, but it’s very well done on these fans and will please users who want to set up color fades and patterns.
Finally, when I pick up these fans they feel quite hefty compared to some others I’ve used. They seem really sturdy and well built, and are just beautifully designed. These are premium fans, and come at a premium price. In my opinion these are worth considering if you’re building a top tier PC and want some extremely high quality fans with very unique features.
A great improvement from the SL120 wireless fans
The SL Flex has been redesigned to have an infinity mirror design on the side. Depending on your taste, this can be a good or bad thing. But the good thing about RGB is that you can turn it on or off.
The Flex version looks more streamlined since the edges are more flat and the middle of the fan blends better with the fan blades.
Installation is as easy as before with the unifan design. You only need one cable for a group of fans. Two if you like to control these via ARGB connection.
The noise level was also improved. On the previous version, I can only tolerate up to 1200rpm. With the flex versions, up to 1400rpm is manageable and it feels like it moves more air.
Nothing compares to the quality and RGB customization that Lian Li fans offer. This is a great upgrade from the previous SL fans if you like the infinity mirror design.
Great Fans for a Clean PC Build
I added these Lian Li UNI Fans to my PC build and really like how clean the setup looks. The fans have a sleek design, and the ARGB lighting adds a great visual effect without looking too flashy.
The UNI design also makes connecting multiple fans much easier and helps keep cable management under control. Having the controller included is a nice bonus and makes managing the lighting and fan setup more convenient.
Overall, these are great-looking fans that combine good airflow, attractive ARGB lighting, and a much cleaner installation than dealing with a bunch of individual fan cables.
Excellent fans and the daisy-chain design is fantastic
Lian Li’s UNI Fan system continues to be one of my favorite ways to build a PC without ending up with an insane amount of fan wiring.
The SL Flex fans look great, and the ARGB lighting is bright and clean without looking cheap. The biggest advantage, though, is being able to connect the fans together and dramatically reduce the number of individual cables running through the case. If you’re using several fans, that alone makes the build process much cleaner.
The fans feel well made and move a good amount of air without getting obnoxiously loud during normal use. Having the controller included with the three-pack is also important if you’re building out a larger UNI Fan setup.
They’re definitely more expensive than basic 120mm fans, but you’re paying for more than just RGB. The modular design, cleaner cable management, and overall build quality make them much nicer to work with.
Overall, these are excellent fans for a higher-end PC build. They look fantastic, perform well, and most importantly, save you from having to hide a small mountain of fan cables behind the motherboard tray.