What FPS will I get in R.E.P.O. at 1440p?

At 1440p Ultra native, expect around 180 FPS. With DLSS Quality you can push higher.

Does GeForce RTX 4090 RTX 4090 VENTUS 3X 24G OC support DLSS or FSR in R.E.P.O.?

Yes — R.E.P.O. supports dlss2, dlss3, dlss4.

Yes — the GeForce RTX 4090 RTX 4090 VENTUS 3X 24G OC runs R.E.P.O. at approximately 240 FPS at 1080p Ultra (native, no upscaling).

✓Yes — Excellent

Expected: 240 FPS @ 1080p Ultra (native). This GeForce RTX 4090 RTX 4090 VENTUS 3X 24G OC is currently $3745.00 at Newegg ↗