Noctua NF-F12 PWM, Premium Quiet Fan, 4-Pin (120mm, Brown)

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Next up, part cooling fans with better thermal performance (i.e., steadier, better targeted, and higher airflow) can improve the quality of prints, or more specifically, the success rate of more ambitious prints thanks to improved inter-layer adhesion. Notably, the printing of sharp overhangs and extensive bridging tends to improve with an Ender 3 fan upgrade, which means less reliance on complex and filament-hungry support structures. Faulty Fan Replacement The Petsfang also exists in a suitable version if you’re looking for an Ender 3 Pro fan upgrade or Ender 3 V2 fan upgrade rather than the original Ender 3. You may have to press a special key before the computer loads up fully—for example, the F2, F10, or DEL button. Your computer will probably tell you what button to push on the screen during the boot-up process. The Ender 3 mainboard fan is another always-on part that’s well worth replacing to lower noise levels.

Petsfang: A go-to design for many tinkerers looking for an Ender 3 cooling fan upgrade, the Petsfang features a duo of ducts on either side nozzle to deliver optimal cooling and employs a 40×10 mm fan.It may be easier to just sidestep the issue by going for a 24V Ender 3 fan upgrade from the get-go.

There are several steps to changing the speed profile in BIOS, so let’s go through each step so that you know exactly how to do it. What Is BIOS? Fan types and sizes: The Ender 3 has four main fans: part cooling, hotend, mainboard, and power supply. Each fan has different size and voltage options. To summarize, an Ender 3 fan upgrade delivers a much quieter printing experience, improves cooling performance, and allows you to print more complex prints with fewer supports. That means it might not detect your particular computer fans. If this is the case, you can still accomplish the same thing through BIOS or different software. Corsair LinkHere are a few viable options, all of which have a far lower decibel output than the mainboard fan that comes with the Ender 3: Since the PWM signals control the motor using square waves of 25kHz, you can reduce them. These waves form a duty cycle that will regulate the fan’s speed. Lower the duty cycle to at least 40% of the total time period of the PWM signal.

Typically, when you’re looking to replace the fans, noise reduction is the main reason to consideran Ender 3 quiet fans upgrade. On the con side, the software is somewhat dated and may not be compatible with all devices. How To Control Noctua Fan Speed With Voltage AdjustmentThe right Ender 3 fan speed depends on several factors: the filament type, hotend and heated bed temperature settings, and the temperature of the space around your printer. Fang: Developed by Thingiverse maker mr-cal, the Ender 3 Fans borrows the same basic dual-duct design as the Petsfang and works as both a classic Ender 3 and Ender 3 Pro fan upgrade. There are several available configurations covering many of the most popular Ender 3 upgrades, such as support from different extruders, hotends, and ABL probes. It requires two 40 x 10 mm or 50 x 15 mm fans that blow air via two ducts on either side of the nozzle – it’s a cooling beast that might be a little overkill as an Ender 3 fan upgrade but will have you covered for all filament types, projects, and ambient temperatures.