Looking for a monitor arm,recommendations?

[McHox]

i currently have a pg248,and will upgrade to a pg279q sometime next year.
i am looking for a monitor arm that i can clamp onto the backside of my desk.
my desk is 90cm deep and my monitor is standing about 70cm away from the back end,so i need something that can hold the weight at that distance(and ideally the weight of a pg279q once i get it)
never really looked into this and have no clue what to look for and what is good,do you guys have any recommendations?
quality is more important to me than price

[Guest]

I use three of these holding up 3 34in ultrawides. The outer arms are fully extended and hold the weight just fine.

https://smile.amazon.com/gp/product/B00B21TLQU/ref=oh_aui_search_detailpage?ie=UTF8&psc=1

[McHox]

2 hours ago, Legendarypoet said:

I use three of these holding up 3 34in ultrawides. The outer arms are fully extended and hold the weight just fine.

https://smile.amazon.com/gp/product/B00B21TLQU/ref=oh_aui_search_detailpage?ie=UTF8&psc=1

that looks pretty good for the price but according to the q&a section the horizontal reach is only 422mm (16.61 inches),which is too little for my desk