1440p build check - Games, Gaming and Hardware - World of Warcraft

I am looking to move from my 1080p set up to 1440p in ultrawide 21:9. I currently run an i5-7600k, DDR4-2400 (16 gb) and a GTX 1660S. I notice some lagging in raid when spell effects are plentiful. I am concerned that things would go poorly at 1440p on this setup. Here is what I am looking at for an upgrade: i5-12400 DDR4-3600 (32gb) 6700XT M.2-2280 PCI 4.0x (replacing SATA 6.0) Will this set up allow me to play ultrawide at 1440p with maximum settings? It seems like the best performan

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