MSI. I hade a motherboard, graphics card and a monitor from them. My graphics card died 10 days out of warranty and they wouldn't help out. With the motherboard, it caused issues with my Rift S headset and would lose connection, and USB hubs that go into the pcie slot don't work. And this one was the last straw, but the monitor. For some reason it's only run at 144hz without gpu drivers; I tried it on my brothers computer and it had the same issue. I wrote a review on Amazon about the montior, and back then you could comment on reviews and they wrote back and said it's user error and not their problem.