While the PSR3000 can hold a number of styles in USER memory, that is no longer an issue of concern. It can also hold styles in the SmartMedia card and on attached USB Flash drives. Styles can be loaded from these devices just as fast as from User memory and can also be referred to in the registrations. I have a 128MB SmartMedia Card and a 512MB flash dive. The flash drive along can hold over 5,000 styles and still have plenty of room. I don't even pay attention to USER memory any more.