How much RAM does your computer have?

I have 3GB RAM in my laptop.
 
I have 3GB RAM in my laptop.
 
4gb in my new build computer and only 512mb on my prehistoric computer lol.:)
 
4gb in my new build computer and only 512mb on my prehistoric computer lol.
 
my old desktop computer has three GB of ram
my newly bought mac book pro has thirty two gb of ram
 
my old desktop computer has three GB of ram
my newly bought mac book pro has thirty two gb of ram