Cooler Master JetFlo Case Fan
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Cooler Master JetFlo Case Fan - 120mm, 800-2000 RPM, POM Bearing - R4-JFNP-20PK-R1

Item#:  JOO-101768681  | Model#: R4-JFNP-20PK-R1
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Cooler Master JetFlo Case Fan Product Details

Case Fan 120 mm. Fan

Cooler Master JetFlo Case Fan
The Cooler Master JetFlo Case Fan keeps your system at maximum airflow and secures your CPU. It keeps the motherboard and other internal components cool. This case fan features a 120 mm. fan with POM bearing. The fan runs at 800 ~ 2000 RPM and delivers 95 CFM ± 10% airflow for keeping it airy and ventilated. And it comes with a life expectancy of up to 160,000 hours, making it very durable. With a 19 ~ 28 dBA noise level, it offers quiet operations. Grab the Cooler Master JetFlo Case Fan right away!

What It Is And Why You Need It:

  • 120 mm. fan; offers you higher cooling efficiency and better ventilation
  • 160,000 hours fan life expectancy; ensures long-lasting performance and durability
  • 19 ~ 28 dBA noise level; provides silent operation for more hours of uninterrupted work

Cooler Master JetFlo 120

The Cooler Master JetFlo 120 is a high performance, long-lasting cooling fan for computer cases, CPU coolers, and radiators. Longevity is a key feature in JetFlo as it utilizes Cooler Master's latest Polyoxymethylene (POM) Bearing technology. The blades found on each JetFlo fan are ultra-thin but extremely strong, enabling minimal resistance and maximum performance. JetFlo is powerful while remaining whisper-quiet thanks to rubber mounting corners that contain threaded steel inserts, absorbing most vibrations and noises.

Ultra-Durable, Self-Lubricating POM Bearing

Polyoxymethylene (POM) is a highly rigid and abrasion resistant material that self-lubricates and enables an incredible 160,000 hour lifespan for JetFlo. The POM Bearing is enclosed in Cooler Master's patented Oil Recycle Bearing System (ORBS), which provides IP54 water and dust resistance.

Quiet Reliability

Cooler Master's POM Bearing technology helps reduce vibration and noise while offering consistently lower friction levels than traditional bearings.

Immensely Powerful Fan Blades

Ultra-thin fan blades enable minimal resistance and maximum performance - up to a staggering 95 CFM of airflow with PWM functionality. Unlike other fans that disperse air over a large area, JetFlo generates concentrated airflow in a tight radius.

What's Included?

JetFlo 120 Cooling Fan

Silent Mode Adapter x 2 (19 dBA/1,200 RPM and 28 dBA/1,600 RPM)

Mounting Screws

Which Cooler Master Fan is Right for You?

This Model

SickleFlow 120

JetFlo 120

MegaFlow 200

Recommended For

Affordable and quiet computer case cooling

Ultra-durable, high performance case and radiator cooling

Powerful but quiet case cooling

Available In

Blue LED, Red LED, Green LED,
Smoke (Non-LED)

Blue LED, Red LED, White LED,
Black (Non-LED)

Blue LED, Red LED, Black (Non-LED)


120 x 120 x 25mm

120 x 120 x 25mm

200 x 200 x 30mm

Bearing Type


POM (Polyoxymethylene)


Fan Speed

2000 RPM (fixed speed)

800-2,000 RPM +/- 10% (PWM)

1,600/1,200 RPM (fixed when included adapters are used)

700 RPM

Air Flow

69 CFM

95 CFM +/- 10%

110 CFM

Noise Level

19 dBA

19 dBA (with included 1,200 RPM adapter)

28 dBA (with included 1,600 RPM adapter)

36 dBA (without a silent mode adapter)

19 dBA

Life Expectancy

50,000 Hours

160,000 Hours

30,000 Hours

Air Pressure

3.04mm H20

2.72mm H2O +/- 10%

0.595mm H2O

JetFlo 120 Compatible Products

HAF Stacker 915F

Stackable Mini-ITX
Computer Case

CM Storm Stryker

Gaming Full Tower
Computer Case

HAF Stacker 935

Dual System Full Mod-Tower
Computer Case

Additional Resources: Product Manuals

  • Manufactured by: Cooler Master
    Warranty provided by: Cooler Master
    Limited Warranty: 2 months parts; 2 months labor
    Mfg Part No: R4-JFNP-20PK-R1
    UPC No: 884102021367
    Box Size: ( Length:6, Width:5, Depth:1)
    Shipping Weight: 0.9000 pound(s)
    Click here for full warranty and support information
  • Limited Warranty: A full text version of the limited warranty may be obtained by mailing a self addressed, stamped envelope to the address below and requesting the warranty for item number: JOO-101768681
    Warranty Information
    7795 W. Flagler St. Suite 35
    Miami, FL. 33144

  • Cooler Master logos are registered trademarks of Cooler Master. All others trademarks and copyrights mentioned herein are the property of their respective owners.