Just bought a second 3090 but now I don't see the benefits right now.

Hi, My local AI server consists of 96GB Ddr5 and one rtx 3090. I got plenty of stuff running, like krea2, qwen image 2.1, minimax h3, ltx 2.5, qwen 3.6, qwen 3.8 q4...,got even qwen 3.8 Flash next running. But now I am thinking of what I can utilize the second card for. I am a single user of this machine. What are other users doing with 2 3090 that is awesome? Thanks in advance for the input :-)