NF-A4x10 PWM, High-Performance Quiet Fan 40mm | High Airflow Low Noise 10mm Slim Fan, for PC and Electronics Cooling, Rich Accessory Kit, 5000rpm 4-Pin PWM

Beautiful piece of engineering. And the packaging... Wow. Speechless. They've included everything you might need. The airflow is weak though, but what would you expect from the fan of this size. Oh yeah! And it's super quiet.

Perfectly fit my custom HBA fan mount for my home server. Great fit, great cooling and low noise.

Used to replace original Asus ROG Strix Z390-E chip set fan. Fan is almost silent and moves plenty of air. My opinion, Noctua fans are the best. All case fans have been replaced with Noctua's fans and no complaints.

I use this fan for extra pin point cooling of my motherboard chipset. This little fan ramps up and down all day long and has been do that for nearly a year now with no signs of failure, I'm impressed with it. It does sound like a little jet engine at full speed but most of the time I hardly notice it. When the system heats up all the other fans usually ramp too, so it's not the sole offender, but it is a little workhorse.

Ordered a few 40x10mm PMW controlled fans to mess around with a few of our Xbox’s. With the proper splitter plugged into series s mobo to utilize stock fan and noctua fan everything works great! No usb wires all over the place which I love. Have purchases other noctua fans and heatsyncs for my PC but every time is just as good as the first! This 40x10mm pmw fan came with high quality 4 pin splitter cable, low noise adapter cable, 4pin extension cable, omnijoin adapter plug and 3m terminal connectors then mounting screws and rubber mounting darts. Spent the extra money and get you some noctua products you will not be disappointed!

Needed a solution for a RAID Controller (PERC H730) that was continually running at 52c in a Fractal Design Node 304 case. Designed and 3D Printed a bracket for it, installed on the same port as the rear fan so it's cranked up pretty good. It's almost silent, and took my temps down to 38c continuous. Absolutely worth the cost.

Cools an SAS HBA card pretty well. I did have to use zip ties in order to attach it. But that is not really a surprise.

First one was defective. Was making a bearing noise. Replacement worked well.

My PC's CPU temperature was low (35 – 52 degrees). However, the Z690 chipset was hovering around 80 – 90 degrees. Way too hot for my comfort. Made a simple mod by zip tying a 4cm Noctua fan to blow directly at the chipset heatsink. The temperature drops to between 61 and 69 degrees. ASUS made a mistake of removing the heatsink fan for aesthetic reason.

incredibly quiet even at full speed. been running this in my pc case for months now and honestly forgot it was there until i looked at the temps. cooling is solid, nothing fancy but it moves air efficiently. the pwm connector works flawlessly with my motherboard and the fan ramps up and down smoothly as needed. build quality is excellent, feels premium compared to generic fans. only real downside is the premium price tag but if you want to swap fans and keep your system quiet this is the right choice. no vibration even when ramping up.

Excelente producto al inicio pensaba que era demasiado caro para un ventilador tan pequeña, pero de verdad que sí fama lo precede. Lo instale en una impresora 3d y me va de maravilla comparado con el que traía este es mucho muy silencioso, la verdad estoy muy satisfecho con la calidad de este producto

Its Noctua need I say more. It will replace my Tronxy CoreXY printers system fan, have also replaced the hotend cooling fan with noctua as well.

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