What FPS will I get in Ring of Elysium at 1440p?

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

Does GeForce RTX 4090 SUPRIM LIQUID X support DLSS or FSR in Ring of Elysium?

Yes — Ring of Elysium supports dlss2.

Yes — the GeForce RTX 4090 SUPRIM LIQUID X runs Ring of Elysium at approximately 240 FPS at 1080p Ultra (native, no upscaling).

✓Yes — Excellent

Expected: 240 FPS @ 1080p Ultra (native). This GeForce RTX 4090 SUPRIM LIQUID X is currently $3695.00 at Newegg ↗