>>76303940Adjustable are way faster to change weights around on, a few seconds at most, loadables will take you a minute or more. This saves time as you spend less time fiddling around with your weights between sets. Fixed weights take up a ton of space and they often aren't available in every tiny increment you might need. You might be stuck at 45 for a month but when you try to go up to 50 your form falls apart, you need 47.5 but they
Loadable have the advantage in granularity, you can buy little half lb plates giving you the most control over the weight.
So it depends on what you want which one is most appealing. Fixed weights can be cheap but take up a ton of space and can leave gaps in various weight ranges. Adjustables allow you to change weights around quickly and easily but are typically more expensive, Loadables allow you the most freedom, are often fairly cheap, but take longer to adjust.