Msi B450m mortar max and amd ryzen 5 5600GMake and model of your motherboard and the processor you're working with? What would you be using the newly purchased SSD for? If it's for the OS and app's, get something like a 250GB drive, if it's for a game drive, get something large, like 1TB.
Go for any SSD in a budget! and higher read and write speeds.Aitc Kingsman km600 nvme m.2 512gb, Samsung evo 980 nvme m.2 500gb or hp Ex900 500gb nvme m.2 which is best??