3-series differences

[Ken Seefried iii]

Could someone explain to me the differences between the Sun 3/75, /110,
/140 and /160?

Email, as I'm sure most everyone knows the answer to this...

       Ken Seefried iii             ...!<anywhere>!uunet!gatech!mm!ken
         MetaMedia, Inc.              ken%mm.uucp at gatech.edu 
           Atlanta, Georgia, USA        obquote: "I feel...like a god..."