This would be a better alternative(34" Curved, 1440p, 144Hz) for a little bit more:
https://www.amazon.com/LG-34GP83A-B-...08FXGXJBH?th=1
Or if you really wanted something closer to that size(38" Curved, 1600p, 144Hz), look at this bad boy:
https://www.amazon.com/LG-34GP83A-B-...08FXGXJBH?th=1
EDIT: Here's your 49"er with G-Sync. 240Hz refresh too. HDR. Wow. Little pricey though:
https://www.amazon.com/SAMSUNG-49-in...86&sr=8-2&th=1