Question 1

Do these have LED?

Accepted Answer

Depends.  The ones that have LED state specifically which color LED.  No color listed = No LED.

Question 2

What controls the variable speed? The package contents doesn't say it comes with any kinda of control.

Accepted Answer

Love mine. Using them on an H50 Corsair closed loop cooler.
If you have an actual fan controller installed in your system you can plug them into that; otherwise plug them into the case_fan  or cpu_fan header(s) on your motherboard and the mobo/BIOS control them.

Question 3

sorry for the dumb question, but which way is the airflow?

Accepted Answer

The part of the fan that houses the fans (back cover) is the exhaust. The open front part is the intake (like the picture)

Question 4

Do these come with the screw to mount to a corsair radiator?

Accepted Answer

No.  You need to use the long bolts that came with the radiator/AiO cooler: If you don't have those you can look at the installation manual or user's manual and either contact Corsair for some more or purchase at a local hardware store.

Question 5

What color are the actual fan wings? Are they close to white? I have a white build and I can't tell if these these fans are white or gray.

Accepted Answer

They are a very light gray. Not white.  Consider the ML 120 Pro LED, White if you are trying to match you rig's color scheme.  They are quiet; very quiet.

Question 6

Will this work in a 3 pin fan connector?  I have heard great things about these fans, but looks like they only come with 4 pin connectors.

Accepted Answer

My Corsair 780T case has 5 3-pin fan connectors and I have two 120mm Corsair magnetic levitation PWM (pulse width modulation) fans and three 140mm Corsair ML PWM fans running 24/7 for two years. The fans are quiet and push air through the chassis very well at 1500 to 2100 RPM. You would need the fourth pin to be able to control the fan speed manually, usually from a control on the top or front of your computer case. But the fans run autonomously so you would not need to do that. You can monitor fan speeds if you use Corsair Link software that controls fan speed depending on the temperatures read by sensors on the motherboard (I have a Gigabyte Aorus 3 gaming motherboard). So the answer to your question is yes, the fans will work fine with 3 pin fan connectors.

Question 7

How Good are these on Radiators? I'm planning to Install these on a Corsair H60 120mm Liquid Cooler.

Accepted Answer

Should be excellent. I am using two of these on my H50. They run slower at idle, but that has not affected my idle temps, so they must be moving as much air as my original Corsair's were but a less rpm; They spin up a bit higher (1-200rpm) then my originals, but my load temp is a bit cooler because of it. And they are quiet. I can't say that I have heard them over my GPU or 200mm case fans.   Worth the cost.

Question 8

This model have rubber on corner?

Accepted Answer

No, they are plastic.  I've had them for about a year now and they are an excellent fan.

Question 9

This model have rubber on corner?

Accepted Answer

No. The corners are hard plastic.

Question 10

How long is the wire?

Accepted Answer

THE WIRE IS 23 INCHES LONG AND COMES WITH SCREWS FOR MOUNTING AND 2 WIRE TIES

Brand	Corsair
Model	CO-9050039-WW

Fan Counts	2 Fans
Fan Controller	No Controller
Type	Case Fan
Fan Thickness	25mm
RPM	400 - 2,400 RPM
Air Flow	12 - 75 CFM
Noise Level	16 - 37 dBA
Power Connector	4 Pin
Color	Black

Corsair CO-9050039-WW ML120, 120mm Premium Magnetic Levitation PWM Fan (2-Pack)

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Item#: N82E16835181106