which SSD can I install in place of my laptop's Sata 300 ?
preferably 500 GBs and above..
Probably almost any you want.
Details of your PC? Motherboard brand and model. If a pre-built, what brand and model?
You might be limited to 2.5 inch SATA drives or you might be able to use an NVME drive....depending on details of your PC or motherboard.