Honestly, if you're rocking a 9800X3D, you're already in the top tier of gaming performance. I always suggest doing the install yourself rather than paying for a pro service—it’s super satisfying and you get to know your rig better. Plus, you save some cash for better parts! Here’s what I’d look at from a DIY enthusiast angle: • NVIDIA GeForce RTX 5080 - This is basically the dream for 1440p. It's got so much headroom that you won't need to worry about upgrades for years. • AMD Radeon RX 9900 XT - If you prefer the AMD ecosystem, this card is a beast. Tbh, half the fun of a DIY build is using the Adrenalin software to fine-tune the undervolt yourself to get those temps down. Just a tip—don't forget a GPU support bracket or a vertical mount. These newer cards are getting so heavyyy and you really don't want that sag messing up your PCIe slot. It's a simple DIY addition that makes the whole build look way cleaner. What case are you planning to put this in?

9070 XT is the best choice. https://www.amazon.com/s?k=9070+XT&------123456890?7649-20

For optimal 1440p performance and longevity, consider the RTX 5070 Ti or a high-end AMD card like the RX 9070 XT. These offer excellent performance to match your CPU.

RTX 5070 Ti.