I have just upgraded my MSI Katana GF66 11UG RAM to 64GB with two of the sticks shown in the image. I checked prior and they are 100% compatible and my laptop
32GB RAM memory for MSI Katana GF66 11SC-210 DDR4 SO DIMM 3200MHz PC4-25600-S : Amazon.co.uk: Computers & Accessories
MSI Katana GF76 17.3" Gaming Laptop Intel Core i7-12700H 16GB Memory NVIDIA GeForce RTX 3070 Ti 1TB SSD Black KatanaGF76035 - Best Buy
Installing a second M.2 SSD to MSI Katana 17/15 B13/B12 : r/MSILaptops