WINSINN 40mm 12V Fan - Hydraulic Bearing 5000 RPM 4010 Cooling Fan Replacement for 3D Printer/DVR/PC/Electronics, 30cm Cable with XH2.54-2PIN, Brushless 40x10mm (5Pcs)

I, like many others stuck an allen screw in to my fan on my Maker Selct v2 while I was putting it back together after removing a piece of filament after the roll ran out. When I got my printer the extruder fan would make a god awful squawking as the machine was booting up and then normalize, but was never very quiet. I bought this printer as an open box and I suspected that the noise might have been the reason that someone returned it because it was otherwise a perfectly fine printer. Needless to say, after I broke off three blades from the same side of the fan the fan was VERY noisy and rattled anything that wasn't secure in it's wake. I say all of that to qualify my review because I'm about to rave at how quiet the fan is, but it could be because I've been living with a fan that was on it's last leg for a couple of years and one that was severely damaged for a week or so. Having said all of that, this fan is incredibly quiet. I booted the machine after replacing the fan and waiting for it to come on.... waited....must have reversed the wires on the plug when I shortened it and put it back together... NOPE it's just that quiet. Can't hear it at all. My printer sits right next to me at my desk and since we've been quarantined it's been running pretty much all day every day and it's such a better experience now that the fan isn't rattling or squawking at me. Recommend these fans if you're looking for a quieter (than mine was) replacement or if like so many of us that have these printers, have stuck an allen wrench through your fan at full speed and broken off some teeth. Eventually the imbalance will wreck the fan anyway so you might as well go ahead and order some.

I purchased these to replace the noisy fan on the heat sink for my Monoprice Select Plus IIIP printer (same as the Wanhao Duplicator i3 Plus). The original fan was noisy from the day I received my printer and it eventually died a few days ago. The new fan is incredibly quite. In fact, after I installed it, I had to actually look at it to see if it was turning. Once the fan is at full speed, you can hear it running but it is still much, much quieter than the original. I have noticed two issues with using this as a replacement on my printer: First, the lead length is much longer. The original fan lead was 80mm (3.14 inch) long. These fans have 290mm (11.4 inch) long leads (see pictures). I ended up bundling the extra length up inside the housing on the back near where the connector plugs in. Second, as others have pointed out, these fans take a few seconds to get up to full speed. I don't consider this a significant issue, especially in my use case where it is on constantly while the printer is on. Replacement fans are $8 each from monoprice (plus shipping) so I figured getting five for basically the price of one was a great deal. Even if they don't last as long as the original, they are quieter and cheaper than the replacement fans from monoprice. And, bonus, I automatically have some spares on hand if one goes out.

Bought these fans to replace the stock horned fan on my Ender 3 Pro. Was pretty quick and easy to solder the fan to the current power cable, as the one attached is way too short. Noise level seems about the same, if not a little quieter. Does seem to kick a lot more air than the stock however, which is a plus even if it isn’t quieter. One out of the five fans was DOA, and I am now outside of my return period. However still not a bad deal. Would be great to get a replacement, or to have the fans properly QCed before shipment. Advise checking all fans for functionality as soon as they arrive.

My 3d printer stopped working cause the extruder fan was worn out. The new one got me back to working

These 40mm 5V fans come in a nice plastic case. The small 40mm 5V fans are very useful for smaller projects with MCUs, Raspberry Pis or MOSFETs involved so it's worth picking up a 5 pack. At about 2 bucks each, they're a pretty good value too. Running them at 60% PWM seems to be more than adequate cooling and also keeps them in a nice and quiet zone; when running them at full blast they do output quite a bit of air but also become high pitched and annoying.

I have this connected to cool a RaspberryPi and 7" LCD Touchscreen being used as a room light and device controller. All that just means this stays on all the time. The fan seems put together well and pushes sufficient air it doesn't remain quiet for long. After 2 months the noise was noticeable and at the 3 month mark needed to be replaced. They are cheap and if you only need to run these periodically then they can probably work. If you want something to not have to think about again look for something else.

Got these to replace a hotend for an Ender 3 and I've should have done it much earlier. The one one was making so much noise that it sounds like the printer was going to take off. For a set of 4 it's much cheaper through China but needed them asap so no complaints...

Needed one to replace a noisy one on a LI-ION battery tester/charger. Quantity and price was good and now I have spares and for other uses.

Bon produit pour ender 3 ou autre. Puissance de souffle correcte. Ils font quand même du bruit mais pour le prix c'est normal. Je recommande

One fan didn't work from the start and seller never replied to a request for a replacement.

The fans sometimes fail after about a year and you have to buy new ones but on the other hand they are really cheap so it's not too bad for home use. For a server you dint want to open for years you might want to spend 4x the price but if you want something cheap that will need some maintenance then these are great.

DC-ACインバーターのFANが壊れた為、40mmが必要で取り敢えず購入しました。予備も考えて5個セットで購入です。風量は結構あります。インバーター内部も確実に冷えます。音は高音で煩いです。風量を得る為に高回転になり、煩いのかもしれません。抵抗を入れて回転数が落とせれば良いのですが？ ★結論★ FANの仕事はしっかりやるが、兎に角煩い。

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