4-way SLI in gaming

[OplitaSpartano]

is 4-way SLI useful in gaming? above all for 4k or 1440p @144Hz gaming
thanks

 

[Mr Kagouris]

The scaling you get at 4-way is terrible, so really it's a better idea to buy better cards than to go 4-way.

At the moment, for 4k or 1440p 144Hz your best choice is two GTX 1080s. If you can wait until winter, a single 1080 Ti will do the job.