I have Thermalright IFX-14 from 2007 (what became original Silver Arrow). I've got new mounts and changed fans, not because fans were bad but because I wanted black/white instead of ugly colored ones. Still working as well as they did when new. Don't remember what I paid for them but it was like half what new coolers with similar performance now cost.
I used a single fan Thermalright cooler (not sure what model) on my Q6600 and it worked superb for seven years.
Still on the board and was working when I de-commissioned that system.
My current PC has all six ram slots occupied so an AIO was the best option for me.
I said if it failed I'd buy another but I wouldn't discount a good air cooler if it had enough ram clearance for my Corsair Vengeance (quite tall) sticks.
Just looking at this Scythe Mugen 5, not sure how good a cooler it is.
https://www.overclockers.co.uk/scyt...79Z2rvOkbty-tp7V5nvRzIeN4c6PRM1BoC4UwQAvD_BwE