3rd UPDATE: Been over 2 and a half years since I installed these and to be totally honest with you, I would prefer these over stock replacements any day of the week! These fans are just as quiet, just as effective as they were when I bought them and if you see my pictures you will notice that THEY HAVE BEEN USED HARD, STILL ARE!! Amazing product and I am going to order more this week to replace the other ones that are starting to make noise and not work right (only a couple though and barely noticeable, but still so happy with this product I will buy spares just in case!!! {end of 3ed update} 2nd UPDATE: Been now over a Year since I installed these fans and they have literally only stopped a total of a few hours in a YEAR, and that's because I stopped them, they have been on 75% for 13 months and still just like brand new, that's simply amazing! I will be getting more! NICE JOB SELLER AND AMAZON! ALSO NOW THEY MINE AND STILL WORK GREAT UNDER MORE STRESS! -- END OF UPDATEI have 2 identical MSI Gaming X rx580 8GB video cards, both with Hynix Memory. The cards have both been great, and I run them in Crossfire so one is always above the other. I do rotate them out once a month or two for equal wear but I finally had one of the fans just stop working, which after a lot of searching it was hard to find a decent set of fans for these cards for a good price. $30 was a little pricey for a card that if carefully sought out you can probably find for around 110$ or so, so 3-4 x the price of the fans, you can get another card. Saying that however, the only complaint I have is that the MSI stickers would have to be very carefully peeled off old fans and centered and adhered beyond my free hand skill if you wanted them to look exactly the same, but not a big deal, they still look great! Very quiet, very effective, and I am most pleased with these fans, would recommend to anyone and will be buying more soon!SIDE NOTE: IF YOU GET THESE AND HAVE GPU REBUILDING EXPERIENCE OR NOT, WATCH OUT FOR THE WIRES ON THE BACK OF THE FAN COVER AS TO NOT BREAK THEM. THEY ARE DURABLE FOR A VIDEO CARD, BUT ITS A REAL PAIN TO FIX IF SOMETHING DOES HAPPEN! a++ TO AMAZON, TO THE SELLER OF THIS ITEM AND OVERALL EXPERIENCE WAS TERRIFIC!