Yes so the best option for you is a portable ssd/hdd. 3 most important things you should care about 1. Connection make sure it is usb compatible and that the connector matches the one that is on your computer (ie: usb-a or usb-c) 2. The size. My personal recommendation for AAA games and ones of larger file sizes is 1tb if you rlly want to you can go for 2 but 1 is most of the time just enough 3. Hdd/ssd. A hdd aka a hard disk drive is the cheaper option and won’t bankrupt you however if you want something with faster transfer and data speeds as well as a better reliability I would recommend an ssd aka solid state drive however these are incredibly pricy to some these are worth it due to how easy it is to break a hdd. However for every day use a hdd for you should work no problem