virtual surround effects (5.1, 7.1, etc) are garbage: they mess up the sound in so many ways, it's not worth even considering. My motherboard had a lot of virtual DSPs, including "3D virtual surround" and several "sound enhancements" , and after trying each and every one of them I just turned it all off (my headphones were ATH-M50x).
If you wanna listen to the games as they were intended to be heard, don't put anything between the original audio and your ears. Just get a decent set of headphones (open backs are preferred, if you don't bother leaking sound and not getting isolation, because they usually have better soundstage and imaging) and a decent source for them (most embedded audio chipsets suffer from a lot of static noise, offer poor audio quality, and low power output).
Something like a Schiit Fulla 2 (or Fiio E10K if you're on a budget) and some AKG K7XX or Beyerdynamic DT 880 (80ohm is you prefer more bass, 250 for a more balanced sound, DT770 80/250 ohm if you need closed backs for isolation) is a much better setup than any fancy headset with a shitload of "gaming" features and fancy LED lights, just attach a mic to your headphones (like the Massdrop Minimic) and you're ready to go. It'll sound 1000 times better than 99% of the gaming headsets.
And if you're on a very tight budget, Superlux HD668B are actually pretty amazing for the price (usually around $30 on AliExpress or similar webs). They're quite easy to drive, so you won't "need" any other source than the standard headphone out, but they'll definitely benefit from a better source if you upgrade it later.