What am I best upgrading first?

[Lewwwwy]

Hi, so I currently have a prebuilt gaming pc.

My specs are:

• AMD Ryzen 5 5600X 3.7GHz
• 16GB RAM, 2TB HDD, 1TB SSD
• NVIDIA GeForce RTX 3070 8GB
• ASUS Prime B550M-K
• Seagate FireCuda 510 1TB M.2 2280 NVMe & Seagate 2TB BarraCuda
• 16GB Corsair Vengeance LPX 3200MHz (2x8GB)

I'm looking definitely to make it more powerful, but I'm stuck on what I need to get first? And obviously make sure new components fit.

Thanks in advance,
Lewis.