The user experience of this cooler was rather lackluster for a small 80$ cooler.
You have to install the thing without the fan, which is a bitch to install in the first place, and even more of a bitch when it's a 120 mm regular fan (I used Noctua).
It did come with clamps to clamp a regular 120 mm (someone asked above).
I had to clip off a few fins for it to fit it in my case.
The cooler is so sharp that it shipped with gloves :´)
Now onto the good stuff...
I was getting about 94°c peak on the U9S but in that build I had an RTX 2070 Super with a triple fan cooler that was heating up the case.
When installing the silver arrow I took the fans off the 2070 Super and put two 120mm Noctuas in the bottom exhausting air from the case.
I am now getting about 79°c on the CPU and the GPU temp is also a good few degrees lower.
I know this is not a direct comparison but I think the Silver Arrow 130 is definitely providing more cooling than the U9S.
Having had both coolers I'd go with the Silver Arrow 130 because of the performance that the 120 mm fan enables.
It's very ugly though and I wouldn't dare using my tempered glass panel now hehe