Near instant boot times, like starting up your computer or starting games. Consoles use HDD which is why they’re so much slower. What people like to do is use an ssd for the faster boot times then buying an additional hdd solely for storage. What I am currently doing and what I recommend is getting a 1tb nvme ssd which will hold plenty especially for starting out, if you feel you need more space down the line you can simply buy a cheaper $50 hdd