Noctua NF-A8 FLX, Premium Quiet Fan, 3-Pin (80mm, Brown)

Fan looks and feels like good quality. Included all the screws and parts so installing it was straightforward.

These are the best cooling fans on the market for pro amp cooling.

Replacement fan for Synology DS 1511+. simple to install noticeably quieter than the original fan. Brilliant packaging and includes every possible power cord adapter including an Ultra low-noise adapter (U.L.N.A.) and4 anti vibrational mounts. Excellent fan

My Synology DS1515+ sits in my office about 8 from my desk. I used these Noctua NF-A8 FLX fans to replace the cheap fans that came with it. The made-in-china fans that came with my Synology werent necessarily loud, but they rattled a bit and didnt sound like they were quality fans. Swapping these fans was incredibly simple (thanks to Synology design). The rubber edges of the Noctua fan ensured a snug, vibration-free fit. The power adapter was exactly the same and didnt require any conversion cables. Even set to the highest speed, the fans are whisper quiet with no rattles. Using my hand, it feels like theyre pushing more air than the original fans. I dont see any major difference in temperature of my Synology, so I cant tell if its moving more air. But Im very happy with the results. Id highly recommend these fans for anyone looking for reliable, quiet operation.

Quiet with excellent airflow. Ive used about 15 of these (with 3-pin to mini 2-pin GPU fan adapter cables, purchased elsewhere) to replace the stock fans in cheap JBOD/RAID enclosures. The oldest have been running 24/7 in a hot cabinet for about 4 years [UPDATE: 6 years!], and are still going strong.

Noctua makes some of the best muffin fans available. I bought this one for a bench power supply, the noise reduction was well worth the cost plus it probably will last several times longer than the one I removed. I have changed all of the fans in my desk computer to Noctuas and dont have any regrets. I can appreciate a company that hasnt decided to send their manufacturing to China just to make a short term profit at the expense of their reputation.

Noctua makes some of the best fans on the market. Extremely versatile and customizable and always quiet for the amount of air they move.

The fan looks well designed, is well packaged, and has several cable options included - but NOT one for two-pin operation. This is also a 12-volt fan, NOT a 5-volt fan. One reviewer replaced the original fan in a GSV-4000 power supply (exactly the same as mine!) and said that it worked perfectly. Lier, lier, pants on fire! It will not work with that power supply. (period) It was on the basis of their review that I bought this fan. My loss. Now I am the proud owner of a useless fan. Maybe I can use the vibration isolation mounts somewhere else.

GREAT SILENT FAN!

these noctuc fans are premium-however they run so slow they just do not supply enough air volume for CPU cooling !