StarTech.com Expansion Slot Rear Exhaust Cooling Fan with LP4 Connector (FANCASE), Black, 1 Count (Pack of 1)

very powerful fan. keeps the inside of my case cooler by blowing out all the warm air. could be a little quieter and have a way to control the fan (hi-lo-on-off etc) but overall i am very happy. easily installed in minutes.

Threw it on top of my GPU and it dropped my temps by 4C under load. Way more than I expected for how inexpensive it is. Moves more air than either of my other exhaust fans.Super easy to install. You'll need a molex to 3pin adapter if you want to hook it up to a fan controller.You can also easily take off the little metal mounting piece and put it back on upside down if you'd rather have the fan intake from the bottom.As to how loud it is, it isn't nearly as bad as other reviews led me to believe. It's definitely audible, but nowhere near the jet engine I was anticipating.It's a little thicker than I thought it would be, but I was still able to mount it in the PCI slot directly above my GPU. It would probably be even better if I could move the fan up a slot and have an empty PCI slot between it and the GPU, but my configuration doesn't allow for it.Would definitely recommend for any niche air cooling application.

If you have a hot videocard that is not a blower this thing can really work wonders, very powerful!But running at full speed it is noisy and likely will not last as long as it could.Get a Molex to 3-pin adapter wire. You will want to plug it into either a fan controller or a PWM case fan that has a 3-pin piggyback.If the device is speed-controlled by either of those means you may find that it is significantly more powerful than most conventional case fans and not particularly loud for the amount of work it gets done.I highly recommend this for any conventional ATX/MATX case but with a dremel you can even fit it in that grill to the left of your PCI slots and the mounting bracket does come free from the fan meaning you can change its direction. This configuration instantly took 10C off of my peak GPU temps.A more complete kit would get five stars from me but I absolutely do not regret buying!Be aware that you might want to rethink your fan layout after adding this because it will likely create a negative pressure environment and this means more dust in the case. Upgrade to the best intake fans you can find and you'll be glad you did.If the day ever comes that they make a PWM version of this unit I will buy several of them. Please make a PWM version!!

I bought two of these fans to cool my Samsung 980 PRO SSD temps (55C) in my Asus ROG Strix Helios case. It looks very pretty but airflow is very poor, causing higher temps on my SSDs. I already had a (3)120mm fans as intake and a 360mm Corsair H150i AIO and 1 other rear fan as exhaust. First attempt to resolve the temperature problem involved moving my EVGA RTX3090 GPU from Horizontal to Vertical mount. This helped reduce temps by ~ 3-5C as it allowed for better internal airflow.Then I added these fans and for faster air movement and now my SSD temps are 35C- 40C which made me happy. Slight caveat ...1 fan is ok as it drops temps just as much, depending on placement of device you want to cool. Noise is almost inaudible from my location.I added a second one to cool the boot SSD next to my CPU (i9-13900K) and now both my SSDs are very cool (literary!)...but the added noise of the second fan is the price you pay.Give the fan about 10 minutes to do its work. You wrong be disappointed.

Previously I've used 40mm fans mounted by forcing screws in to the heatsink fins, but I recently upgraded to a 16 drive controller that has a giant heatsink with smaller fins. These controllers are designed for high volume server fans. I tried using a dual 90mm pcie fan mount bracket, but it was just pushing hot air around the case and not really doing much good. It was better than nothing but I went on the hunt for something better.Then I came across this fan. Like everyone else, I wish they would update the design and get rid of the molex connector but I dug out the cable for the PSU and hooked it up. For the people claiming its loud, sure it's louder than a noctua fan running at 1000rpm, but it's not THAT loud. I have a spare bedroom where I keep all my pc's and I don't notice this fan over the other fan noise in the room. With the door open I can barely hear the pc's running, and this fan doesn't stick out above the rest.It does move way more air than I expected it to. When I put my hand behind the case I can feel the warm air it's sucking out from the sata controller I have it mounted next to. It has lowered the temps of the controller. It's not substitute for having a 3000+rpm fan blowing air over it, but it's enough for me to be comfortable with it. If you need something to keep the temps in check for a card like this I would recommend it, if you don't have access to a 3d printer so you can make a proper fan shroud. The fan takes up exactly one pcie slot, so you aren't giving up more space than that.

Works great. Installed below my gpu. Def keeps the heat down. Not too loud either.

First off, let me say that this fan worked quite well. I have a server GPU in my computer (AMD FirePro S10000) that gets rather warm at idle, and putting this fan directly above the card (with the intake facing down) dropped temperatures by over 5 degrees celsius! However, this came at a cost. The fan makes a loud whirring noise, and although I do not mind lots of noise at load (I have two powerful server fans in my desktop for when I am doing GPU-intensive tasks), it was quite annoying while trying to listen to music or simply browse the web. The server fans I have can be dropped to near-silent noise levels during normal usage with a PWM fan controller. However, since this fan uses a 4-pin PATA interface, it stays at max speed all the time.