Pros: - the fan speeds go from super quiet to all-out - good warranty

Cons: - two wires to every fan (one for fan power and control and another for fan RGB control) - all of this and now two small boxes that both need SATA power = a lot of tiny wires all over my case - YOU CANNOT CONTROL THE SPEED OF THE FANS IN THE CORSAIR LINK SOFTWARE UNLESS YOU BUY THE OPTIONAL CORSAIR COMMANDER PRO CONTROLLER (for an additional $70) - the whole thing is really expensive

Overall Review: Packaging and Un-boxing: Comes in a small cardboard box… all the fans are in separate little cardboard boxes and all of the wiring / hardware / instructions are in another little cardboard box. Included: (three) Corsair ML120 PRO RGB fans (one) RGB Lighting hub (one) Corsair Lighting Node PRO Mounting screws Mounting strips Installation instructions Regulatory information Powering up and setting up: I REALLY have to recommend this kit or any one that is similar… that it would be 1000x easier to install this as a part of a new build. I installed this into an existing build and now my cable management is a bit of a mess. Every fan has two wires running to it… one 4 pin lead that goes to the fan control headers on your motherboard. The other lead goes to the “RGB Lighting hub”. I would have much prefered to do this when I built my rig, just for the sake of clean cable runs. Use: As it turns out… much to my Google-ing and forum surfing… the fans in this kit CANNOT be controlled via the Corsair Link software with the provided hardware. The “RGB Lighting Hub” and “Lighting Node PRO” can control the LED color function of these lights, but if you want the Corsair software to be able to control fan speeds… you’ve got to get the optional Corsair Commander PRO controller (for an additional $70). The fans are fans. My motherboard controls them. They are quiet and come with a five year warranty. Other: Like I said before, I’m not impressed with all of these tiny wires going all over the place in my case now… these wires go to the fan headers on my motherboard. These leads have to go to the “RGB Lighting Hub” so that you can make the colors dance. Wrap-Up: These are fans that can do colors… with a lot of wires and setup. If you want Corsair’s software to control your fans (rather than the control the probably came with your motherboard), you’ve got to buy another tiny box and rewire everything. I like the idea of the fans being “magnetic levitation”... everything comes with a 5 year warranty… but the kit is EXPENSIVE and you don’t even get fan control with that. This is a head-scratcher to me.

Pros: Corsair quality shows with these fans as they are built very sturdy and operate quietly with plenty of RGB customization available. The RGB lighting is bright and works through the Corsair link software which I already had installed for an H100i v2 AIO I'm currently using and the options to control the fans were immediately available on the first boot after I installed them. They come packaged very neatly and come with everything you need other than the software which is a free download. The USB module included has 2 channels for adding other RGB fans to your setup with easy customization through the Corsair Link software. Easy to configure the speed and color of these fans and the cables are plenty long enough to use them wherever you need them.

Cons: The LED lights show through the fan blades when viewed from the side which can be distracting. Each fan has two long wires coming from it adding to the clutter inside the case along with two bricks to plug everything into. Even though there is a second channel available the fans only come with one cable to connect the first channel leaving me without software control on my other set of RGB Corsair fans and I can't seem to find the cable by itself to be able to add them either. Uses two SATA power cables.

Overall Review: I think these are great fans with a good quality feel to them. The lighting is neat and easy to change so long as you install the software. I do wish that there was another cable included at this price point to have software control of my other set of fans and eliminate one of the fan hubs from my build, or at least the remote control unit I must use to change the color of them currently. I'd also like to see an option that combines the power wires with the RGB wires and be able to eliminate one of the boxes inside the case since its all Corsair anyway I really don't see why not.

Pros: Silent cooling is available for the entire range of RPM on this fan. You almost don't need to throttle it. I was just barely able to hear the fan above 1100RPM with just my PSU fan on my open case running. The mount corners are a flexible and vibration dampening rubber that do well to isolate any high frequency humming in both the vertical and horizontal orientation. I did not notice any difference in sound level in these 2 orientations. This fan will work with a standard 4-pin system fan plug (you do not need the Corsair Lighting Node for the fan functionality, just the LED control). The Lighting Node combined with Corsair Link is a very intuitive package and lets you customize and set profiles with great flexibility.

Cons: As the other reviewer mentioned the 2 4-pin connectors are both able to be plugged in to the system fan posts on your board and there is a slight risk due to lack of labeling or cautionary tape or something. IMO, the price is a tad steep for a 140mm LED fan. The packaging does state that this is for use as an expansion to the Corsair Lighting Node PRO, but I think Corsair/Newegg could substantiate that more clearly in the Overview section instead of just mentioning that it works with the Corsair Link software (buyers would be wise to watch the informative video in the Overview section).

Overall Review: If you are looking for a really excellent performing fan that is, for all intensive purposes of this review, silent then you are in business. If you have built your PC around the Corsair Link Software and the Lighting Node then you cannot go wrong.

Pros: The lighting effects that are done on this fan are mesmerizing, they are just awesome. The frame of the fan is nice and solid, and I appreciate the rubber on them for noise reduction. The fan itself just has this high quality feeling, the quality justifies the price on this. Installation was easy, the screw are very high quality and easy to screw into the frame of the fan. The blades are nice and thick and move confidently when on. The two sets of cables made it a bit more unwieldy than most fans, but they are nice and long and easy to tame. Performance wise, I found the fan to be quieter than the one it replaced and much prettier. As the only rear-exhaust fan in my system it does a wonderful job pushing the hot air out of the case.

Cons: The ecosystem is a big investment. It's a lot to get these fans up and going and will need to have already purchase the kit in order take full advantage of this beautiful fan. These should be labeled as expansions to their existing kits, or have a way of using the RGB without having to use the hub. It's a Mess to set up with having to deal with two different hubs and using up two different SATA-power ports. This issue is reduced if you already have the Corsair Lighting Node Pro already installed and set up, which I thankfully did, and is most likely the use case for a single fan.

Overall Review: This is a wonderful, high quality fan that runs quietly and pushes a nice amount of air, all the while looking beautiful. The Magnetic Levitation technology may prove to be more reliable than traditional fan types, and is likely better for the long haul. I have some complaints, such as it not being able to connect directly to the Lighting Node Pro, or at least have an adapter to do so for a single fan, for those that only intend on having the one of these fans installed. Along those lines it would have been great to be able to just connect these fans directly to one of the RGB-strips that already took up the two ports on my Lighting Node Pro. Like I said, this is more of an expansion for an existing owner and as such is a high-quality fan that pushes a nice amount of air and is quiet at doing that. I have yet to be disappointed by a Corsair product and this wonderful fan keeps up the tradition.

Pros: These fans are high quality fans that are QUIET and full of potential customization. They are controlled by Corsair's LINK software that you install on your PC. This software shows you information about your motherboard such as memory frequency, fan speeds, and temperatures. It will also do things related to these readings like shutting down your PC, running a specific file, or changing fan colors and speeds. It's a pretty nice software package you get for free. You have full customization control of the fan's LED lights and speeds through LINK. If you have multiple fans , you can synchronize their lighting effects to make some pretty neat displays. You can also predetermine how fast you want to fans to spin depending on your temperatures at any given time. Build quality. These are solid, well built fans and you can tell Corsair is trying hard to lead this market. Everything from their plastic cross-beam construction to magnetically levitatating the fan rotor over the hub as it spins which uses only a third of the typical power draw, increases bearing longevity, and quiets down the overall operation. They even built in a rubber gasket between the fan's body and the screw mounts in the corners so there would be no pressure from the mounting screws possibly warping the body and eliminating vibrations. Again, they are amazingly quiet for the amount of airflow they can push.

Cons: Top speed. The most these fans will give you is 1200RPM. I have fans currently that will do 4000RPM (though they sound like jet engines at that speed). This speed gives you 55.4 CFM of airflow. While very quiet, and probably sufficient for most users as chassis fans, hard core overclockers might want something that will deliver more static pressure and airflow. Cable length is also something that might prove annoying, especially if you have a full size tower and like to route cables via hidden pathways to keep a build looking neat and tidy. At just under two feet long, I had issues with the cable lengths and had to resort to using extenders. LED control is limited to one effect for all fans connected to each chain coming from the RGB hub via the LINK software. Since my two pack came with one hub which has two separate LED communication chains, I can only have two different LED effects going at the same time no matter how many fans I have. All this means is I can't control the LED effects of each individual fan in the same chain. Honestly though, I don't think I'd really want every fan doing something totally different from all the others anyway.

Overall Review: Quick things you may want to know: You will need a free internal USB port on your motherboard for the lighting node to plug into. You will also need a free fan port for each fan you integrate. So what is RGB? It means Red Green Blue technically, and every color you can make with them. The point of this is to immerse you in a colorful hippy trance of dancing hypnotic lights. That and to possibly alert you to your CPU temperature getting too hot. You can control the lights on these fans to display specific colors correlating to your motherboard's temperature sensors. The LINK software has a slew of lighting effects you can choose from . I personally just like the slow pulsating effect in random colors. Then what is PWM?  Fans with only two wires have only plus and minus (ground) connections and that’s it. The second type has three wires; two for powering the fan and one that carries the so-called “Tach” or tachometric signal (in English: the wire that gives a readout of the current fan speed). A signal is sent via this third wire with a certain frequency that is proportional to the fan speed, expressed in RPM (revolutions per minute). The third type of fans that use four wires are PWM fans. PWM (Pulse Width Modulation) or modulation with the width of an impulse, is a widespread term in the world of electrical engineering. It has a broad range of application, like in the field of telecommunications, audio equipment, servo motors, etc. Interesting for us enthusiasts is the application of PWM in voltage regulation. In short, PWM operates like a switch which constantly cycles on and off, thereby regulating the amount of power the fan motor gains.Why is PWM so important? Well, almost all fans „die“ if the voltage is lowered under 5V, but with PWM control, the fans can reach really low operation speeds of 300-600 RPM. They don’t die literally; they just shut down and stop spinning, and that is why often the declared speed range of the fan can only be achieved by using PWM regulation. At these speeds, the fans are dead silent, and some fans can even be turned off completely via PWM regulation. One more very cool thing about PWM regulation is that you can use one PWM signal to govern all of your fans. Since the fans are getting 12 volts all the time, you can use special fan hub splitters that will send one PWM signal to all of the connected fans. This way, they will all work in harmony. If you are in the market for some new chassis fans, these are super amazing, super high quality fans that you should consider. If you need fans to blow hard on your liquid cooling radiator, or CPU heat sink, you may want to look for something more muscular.

Pros: * Great extras included Package contents include an RBG fan hub and Lightning hub, for controlling fan speeds and Corsair RGB fans/strips. * Corsair Link software is great There's been a lot of debate recently about so many manufacturers rolling out their own RGB software but my experience with Corsair's has been the best so far. All of their products are combined into the same software, so no matter how many Corsair products you own, they're all controlled from the same place. The RGB lights have several different toggle mods, and a custom slider for each color. Setting up the color and style I wanted was easy, and only took a few minutes. Fan profiles can be individually controlled, setting the desired RPM/temperature values. The program itself I've found to be lightweight and easy to navigate. It's definitely my favorite software suite on the market. * Magnetic bearing is a noticable improvement (...for Corsair) I'm an obsessive fan hoarder, I have multiple fans from every major manufacturer. Compared to the previous-gen Corsair SP fans, there's a significant improvement on the magnetic bearing fans. The bearing has a much smoother sound, less 'grindy', although it's hard to compare noise levels since the fans are different sizes and pressure. The maximum 1200 RPM might be a problem for some heatsinks which prefer 1600+ RPM, I would advise to only use these as case fans. * RGB looks great Full disclosure, I usually don't run LEDs on any of my parts since I find the lights distracting. With that said, the level of customization is insanely impressive. There are multiple modes to choose from like Rainbow/Rainbows Wave, Pulsing, Blink, Shift, and Static. You can also chain modes together between fans to create a long, singular effect. And of course each mode has customizable colors. There's a lot of ways to have fun with this and whatever kind of lighting effect you want for your build, you'll definitely find it here.

Cons: * No Ring LED This RGB LED was available on previous Corsair fans. That is, the around the inner edge of the fan was a controllable LED. With the ML140 PRO, the LEDs are only present in 4 separate spots around the bearing, with no ring effect at all. It might be personal preference on whether you like the ring LED or not. * No LED strips included This isn't really a 'Con' and more of a point of fact: There are no LED Strips included in the packaging. If you research the Lightning Node PRO, you will find results that seem to be exclusively discussing LED Strips. In this case, you will use the 2-port Node to control the fans.

Overall Review: As far as cooling is concerned, I didn't find anything notably impressive or problematic with the ML140's. I suppose most people are buying these for the RGB LEDs, though. I can say this is a strong improvement for Corsair over their past models, and definitely a step in the right direction. I'm glad to see Corsair trying new things, these are the first MagLev bearings I've ever tested and I'm definitely pleased with the results overall. They've also opted to release up to 3-pack versions of these fans, which is a nice way to offer bundles to people who are going to need multiple fans anyway. I'm giving these fans 5-stars based on what they were designed for, and a caveat: If your goal is to maximize noise/airflow within your case, keep in mind you will be sacrificing some of that in favor of the LEDs. If customizable RGB LEDs are what you're looking for, then I can unequivocally say Corsair is the best manufacturer on the market for that.

Pros: Much like other Corsair RGB products, these fans offer no shortage in RGB effects or timings, and do add a lot of pop to a black case. I’ve got the fans configured to swap between blue and white, matching my other peripherals (Ducky Shine II in white LEDs, Corsair MM800C RGB, Mionix NAOS7000 RGB, and even a chair that even has RGB). The fans themselves are quiet and fit snugly against the case. The rubber on the corners is solidly attached to the plastic on the corners, and even when the fans are running at full speed, I have no vibrations or noises. It does take some extra tightening when installing them, as the fan housing is near flush/level with the top of the fan blade, maybe only a few mm space leftover. I light the idea of queueing effects and having a single RGB controller. I only have two fans, but scaling up to 6 in total seems like a relatively easy effort for getting good looking color.

Cons: Be prepared for some of the worst cable management possible. Unless you have a good size full tower or a super tower and plan to have like 6 in the case, it’s not exactly easy to organize. Required cables for just 2 fans: - USB bus on board to the Lighting Node Pro - Lighting Node cable to RGB fan controller - 2x SATA power connectors, one each for the Lighting Node and RGB fan controller - 2x Fan RGB cables to RGB fan controller - 2x Fan 4 pin connectors to associated cables or on board slots The USB cable included is extremely short, so be prepared to put the Lighting Node on the bottom or side of your case. It barely reached into the hard drive area of my Corsair C70, which is a mid-tower case. There are small velcro straps or half-decent ties that come included, so save the twist ties that wrap around the cables from the box. Another installation gripe: there are only one type of screws included with the fans I received, some short, wide screws that are often used on the exterior walls of the case -- you can see these in the picture showing all the parts. You usually hold the fan up, then screw in the screws from the outside. There is one key problem with this: sometimes, the front of the case is where these fans will be installed, and you will almost never use these screws on the front of the case. There are longer, ~1” long screws that fit in much narrower holes Visually, you are fastening the screws on the front side of the fan, and they reach through both holes on a corner to get to the hole. These fans only came with one set of screws; if I did not have some saved from a Noctua fan, I would not have been able to install these fans on the front of my case; need I remind you, I have a *Corsair* case. Finally, the biggest killer of these fans is the software. It’s not that it doesn’t work, it’s that I now need two pieces of software to control my *Corsair* RGB gear. The fans use “Corsair Link” while my *Corsair* MM800C RGB Polaris mousepad uses “Corsair Utility Engine.” I cannot control the fans with the mousepad software, and I also can’t control the mousepad from the fan software. It seems absurd that I now need two pieces of software to manage the same devices, BOTH of which are USB connected. There are other other Corsair peripherals, such as the Glaive mouse and K95 keyboard, that would be affected by this as well.

Overall Review: I can’t really complain about the hardware itself, the fans are efficient and quiet, and I really like that about them. I just wish that everything else related to the fans wasn’t so difficult and clunky. I own a Corsair case, which can’t have these installed on the front unless you had screws that weren’t included with these Corsair fans. I have a Corsair mousepad that can’t be controlled by the same Corsair software as these Corsair fans, and vice versa for the mousepad software and the fans. For real though, what gives, Corsair? Your hardware and software ecosystem is seeming a little fractured, and I’d love to see it come together into a much more well-oiled machine.

Pros: Solidly built Great addition to a blingy setup 5 year warranty

Cons: LEDs use proprietary Corsair Lighting hub Not the best air mover for the price

Overall Review: Corsair adds this ML140 140mm case fan to their PRO RGB lineup of products. This single pack contains one 140mm case fan and screws and that’s about it. It’s got some fancy programmable RGB LEDs built in that will make the Griswold family Christmas lights jealous. That is if you already have the required Corsair Lighting Node (or you are savvy with PWM (pulse width modulation) electronics). Let’s just cut to the chase here, this fan is purely for the folks who crave the blinkenlights. If that is you, welcome to your new case fan. Search for this thing on youtube to find some crazy shows people put on with it. If you’ve stumbled upon this fan because you’re looking for a good case fan that moves air well, you can do a lot better. At 55.4 CFM (cubic feet per minute), which is 94.1 m3/h (cubic meters per hour) for the rest of the world, it’s not terribly impressive. The highly touted Noctua NF-A14 will run circles around this fan at nearly half the price, minus the bling. The Corsair AF140 “quiet” edition which is louder than this fan and the Noctua is a cheaper option without the blinky blinkies as well. Overall, this fan seems fairly solid, but don’t buy it for any reason other than to put on a show. It’s a middle of the road fan with a high end bling. Kinda like putting 22” rims on your Chevy Tahoe. It will look cool if that’s your thing, but not really offer up better performance.