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Kama PWM 120mm Case Fan, Black
Discontinued
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Scythe Kama PWM 120mm Case Fan, Black

If you are the type of customer that does not want to worry about increasing fan speed manually when things get a little hot in the PC then these Scythe PWM case fans could be what you are looking for. The fan speed will automatically increase and decrease depending on system temperatures. Your motherboard needs to be able to support PWM case fans and depending on the BIOS features it could be possible to determine how fast the fan spins at a given temperature.

Features

  1. Pulse Width Modulation (PWM) functionality
  2. Fan speed can be controlled by your motherboard based on temperature
  3. Supplied with 4-pin fan connector
  4. Fan has long-life sleeve bearings
SpecificationsKama PWM Black 120mm
Model NameKama PWM Fan 120mm
Model NumberDFS122512L-PWM
Dimensions120 x 120 x 25mm
Fan Speed310 (±200) - 1200rpm (±10%)
Fan Noise24.9 db(A) Max
Airflow12.4 - 52.7 CFM
Rated Voltage12V
Rated Current0.16A
Weight110g
Connector4-pin PWM
Bearing TypeSleeve
MTBF30,000 hours
Warranty24 months
EAN barcode4571225040424
SpecificationsKama PWM Black 120mm
Model NameKama PWM Fan 120mm
Model NumberDFS122512L-PWM
Dimensions120 x 120 x 25mm
Fan Speed310 (±200) - 1200rpm (±10%)
Fan Noise24.9 db(A) Max
Airflow12.4 - 52.7 CFM
Rated Voltage12V
Rated Current0.16A
Weight110g
Connector4-pin PWM
Bearing TypeSleeve
MTBF30,000 hours
Warranty24 months
EAN barcode4571225040424

Customer Reviews

Going strong and quietly

,

Good fan. On the low speeds it’s normally running at it is very quiet. Possibly not the quietest fan on the market, but for the price you can’t argue with a PWM fan.

Product Resources

FAQ

  • How do I measure fan size?

    The size of fan you need will generally be determined by the size of the fan fitting position in your PC case. The sizes of all the fans on our website are shown as measured along any one of the fan’s four sides, NOT the distance between the fan’s screw holes! Our most popular fan size is 120mm, followed by 80mm. This isn’t really dictated by customer preference, but more by recent designs of PC cases.

    As for the thickness (depth) of the fan, generally 25mm (1 inch) is by far the most common depth, although smaller fans can have shallower depths such as 15mm or even 10mm. All our fans are 25mm thick unless otherwise stated. If you have any questions about which fan you should order, please don’t hesitate to get in touch.

    If you know the distance between the fan mounting screw holes but don’t know what fan size to order, please see the following table. Note that the mounting hole measurements shown below are taken horizontally or vertically between the holes and not diagonally.

    Screw hole spacings and fan sizes

    Space Between Screw Holes Fan Size
    32mm 40mm
    40mm 50mm
    50mm 60mm
    60mm 70mm
    72mm 80mm
    83mm 92mm
    105mm 120mm
  • I received a small cable (resistor) with my fan; what is it for?

    The resistor cable (also called Ultra Low Noise or ULN cable) is designed to allow the fan to run slightly slower for even quieter operation. The benefit in lower running noise is significant. Although the airflow will be reduced slightly, this usually has minimal effect on PC temperature. We would generally recommend using the ULN resistor cable for best results in almost all circumstances.

  • How can I tell which way the air blows through the fan?

    Hold the fan so that the round fan sticker is facing you. You are looking at the rear of the fan. When you plug the fan in, the air will be blowing towards you. If you want a fan to act as an air intake, then the fan sticker will be facing the inside of the case. Some fans also have two small arrows moulded into their plastic housing - one arrow shows the direction of airflow, and the other (at 90°) shows the direction of blade rotation.

  • Is it possible to use a 4-pin PWM fan or CPU cooler with a motherboard which has only 3-pin fan headers on it?

    Electrically, there is no problem doing this - the fourth pin on the fan cable is used purely for PWM control and is not needed in order for the fan to run. So you can plug the 4-pin fan connector onto the 3-pin motherboard fan header, leaving the fourth pin not connected to anything. The fan will potentially run at full speed, so if you would like to reduce the speed of the fan you will need to adjust the fan speed setting in your BIOS or use fan control software such as SpeedFan in Windows.

    The only other problem to consider is that occasionally, components immediately adjacent to the motherboard fan header can get in the way of the larger 4-pin fan connector, physically preventing connection. This problem also occurs if you try to use an in-line fan speed controller such as the one made by Gelid.

    Another avenue to explore is the possibility of using a bay-mounted fan controller. Several models are available now which provide 4-pin fan headers, so this is an easy way to use 4-pin PWM fans in a PC system which has only 3-pin fan headers on its motherboards. When using this method, you may find it necessary to disable any fan warning settings in your motherboard BIOS, since the motherboard may incorrectly believe that its CPU fan has failed when the fan is connected to a fan controller rather than directly to the motherboard itself.

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