RAM question

[Chrkeller]

OK so changing ram isn't as simple as I thought. I have three options:

1) 5600 G2 (42x100.00x1.33)
2) 5600 G2 (56x100.00x1.00)
3) 5600 G4 (56x100.00x1.00)

Seems like option 2 or 3 is the right pick? I have cosair 5600 32 gb (16x2) ddr5.