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I recently got a Supermicro 1U server with a Xeon CPU (71W TDP). It came with a heatsink for the CPU and two Supermicro 0154L4 system fans. Because it needed enough airflow through the heatsink, 0154L4 fans were crazy noisy (61dBA). It was unbearable for a home lab.
So, I got this CPU cooler instead along with two Supermicro 0100L4 system fans to replace the heatsink and the 0154L4 fans. And this worked perfectly! The Xeon runs cool enough in a 1U chassis at perfectly acceptable noise levels.
I wasn't sure about the Dynatron cooler, thinking it would be too loud or low quality, I wanted to try out some other options. What I found was that for 1U form factor, this just works much better, I'm assuming the horizontal blower fan is what makes all the difference - there are other low-profile coolers out there that just blow the air up, but in a 1U case it has nowhere to go.
What I've found is that this keeps the CPU so much cooler that fan speed doesn't need to be all that high, so it is pretty quiet.
Idle temps are about 20 degrees lower than they were with Thermaltake Engine 27 1U cooler (the metal fan one) and load temps are 30 degrees cooler.
This is with a Ryzen 7 3700x with Eco mode + CPU boost disabled - please keep in mind this is NOT for an AM4 socket - the motherboard I'm using has an LGA-1151 mount but AM4 cpu socket (ASRock Rack X570D4I-2T)
Super low mounting, but still clears nearby capacitors. Installed on a mini pc that i'm building. It's lower than the ram and rear motherboard connectors. Fits fine with the 1150 sockets. Installed on an i5-4570t processor. Using a CPU stress tester on ubuntu, it reached a max temp of 65°C. The fan can get loud, but still not bad considering its size. I'd say it's about as loud as an old RPM Hard drive that i had installed on this machine, so really not bad.
I was expecting cooler temps since on their website it can handle CPU's up to 95 watts. That's hard to believe since my 35 watt processor was heating up quite a bit. and i purchased some high-end thermal paste (Tuniq TX-4) in hopes to lower temps more.
While the fan and heatsink build quality is really nice, it didn't perform as well as my passive CPU cooler in my 1U super micro case. The case itself has two fans in the front, and with the passive CPU cooler my server runs about 3-4c cooler. Perhaps this cooler would work better in a case with more air volume.
The heatsink itself worked fine, but the two adhesive brackets they include didn't work with my board because they rested on components or solder joints no matter how I positioned them and because of this I couldn't tighten the screws. I bought a third party backplate hoping that would fit.
This is an excellent fan. I needed a 1U form factor, and this fit in very well. The only problem I had was there are required mounting brackets which must be installed on the bottom (obverse) side of the motherboard for the fan to screw into. Thus you need to install the CPU and fan prior to mounting your motherboard, or need a case where there is a cut out for CPU fan brackets.
This keeps my I7 3770K running at great temps and with virtually no noise. This will work with LGA1156 OR LGA1155 socket motherboards. Fortunately LGA1155 (the newer socket IIRC) is fan compatible with the older LGA1156 standard.
I used this on two 1U server builds. Works flawlessly where other CPU coolers couldn't even get close to keeping the CPU cool. The fan is quiet and performs extremely well. My only complaint is the CPU paste that comes pre applied is garbage. Wipe it off an add your own.
Over all the CPU cooler has been good. I use it every day for probably about 2-4 hours to game and watch videos and my computer. My CPU has never reached more than 70F. It's a server CPU cooler so when it really kicks in it can be loud but not loud enough to ruin the game or movie you're watching. I would purchase again.