Amiga 500 ram?

[Jiffy]

I keep on wondering why people, when looking for the existence of specific types of hardware, simply never think of checking well known sites like this, where they would (in this case) find hardware like this just by browsing that particular site... ;-)

Of course, it would also be possible to check sites like this and find hardware like this.

[Jiffy]

Wait wait waitwaitwait waiwaiwai
ALL 1MB trapdoor expansions for A500+ will appear as +1MB Chip ? Resulting in 2MB Chip total ?

My A500 has a 1MB Agnus but I'm not interested in modifying my 512+512 A500 in any way. Just curious about beefing up an A500+.

Yes. All 1 MB trapdoor expansions for the A500+ will appear as +1MB Chip (making 2 MB chip in all) in all A500+ machines. That is what they were intended and designed for.